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Lexus GX 550 4WD – All the details

Lexus GX 550 Overtrail 1

Lexus GX 550 – Lexus has added another 4WD to their stable. This is the luxury GX which is based off the all new Prado coming soon. It sits between the larger LX 4WD and the More urban focused RX range. 

Australian 4×4 enthusiasts and those seeking to accommodate up to six passengers now have the choice of a new supremely capable SUV offering rugged looks, luxurious specification and strong performance on- and off-road with the launch of the all-new GX 550.

Marking the first time for the GX nameplate in Australia, the latest Lexus off-roader slots in between the family-sized five-seater RX and top-of-the-line LX.

Lexus GX 550 quick model details

GX 550 arrives in Australia in three generously specified grades, including the debut of Overtrail for maximum capability over the most challenging off-road conditions.

The all-new GX 550 range opens from $116,000 plus on-road costs1 for the seven-seat Luxury grade which brings with it a high level of standard specification, signature Lexus omotenashi touches and powerful performance from its 3.5-litre twin-turbo V6 petrol engine.

Overtrail is the middle grade and is priced from $122,250 plus on-roads1, with off-road focused enhancements including unique exterior features, all-terrain tyres and – in a first for Lexus – Electronic-Kinetic Dynamic Suspension System (eKDSS) for the perfect balance of off-road driveability and on-road handling stability.

Topping the GX 550 range is the opulent Sports Luxury grade from $128,200 plus on-roads1, signified as the flagship variant with lavish appointments including 22-inch alloy wheels, semi-aniline leather accented upholstery and premium Mark Levinson®3 audio system.

Lexus Australia Chief Executive John Pappas said the addition of the GX 550 to the luxury lifestyle brand’s expanding lineup will meet the needs of customers keen to explore the rugged outdoors.

“The all-new GX is an incredibly desirable vehicle for Australian families and adventurers, shown by the strong interest from the time it was announced one year ago,” Mr Pappas said.

“GX 550 offers the best of both worlds. It delivers trademark Lexus luxury and craftsmanship for superior comfort and refinement; while its robust design, V6 performance and enhanced 4×4 hardware give it the credentials to tackle some of the toughest terrain the country has to offer.

“The addition of a third row of seats on Luxury and Sports Luxury grades brings seven-seat flexibility to the large SUV segment, which will be appreciated by families needing the extra space.”

Lexus GX 550 design

The fundamental capability and strength of the GX 550 is underpinned by its rigid GA-F ladder-frame architecture which supports a luxurious and capable outdoor lifestyle.  The GX measures 5,015mm in length, with a width of 1,980 or 2,000mm and height of 1,925 or 1,935mm depending on the grade. All share the same 2,850mm wheelbase.2

The GX’s exterior design is bold, brave and unmistakeably Lexus with the spindle shape forming from the forward edge of the bonnet through to the grille and lower bumper.

Its muscular proportions and squared off edges create a striking silhouette, juxtaposed with stylish Lexus luxury touches including the black, frameless grille, selection of stylish large alloy wheels and dynamic exterior LED lighting.

The rugged-yet-luxurious theme is replicated inside the cabin with a utilitarian theme overlaid with luxurious craftsmanship and thoughtful features to make every outing an enjoyable one.

From the outside, the range-opening Luxury is identified by its 20-inch alloys, all-round exterior LED lighting, flat-type roof rails, power-operated moon roof, rear spoiler and body-coloured door handles.

GX 550 Interior

Interior appointments include Nulux®3 upholstery on all seven seats, with heating function for front and second-row outboard occupants. Front seats gain ventilation, eight-way power adjustment with two-way lumbar adjustment and memory function for the driver.

Three-zone climate control with nanoeX®3 air ionisation provides further occupant comfort, while convenience is enhanced with power-folding third-row seats, power back door with glass hatch, smart entry and start and one-touch power windows.

Despite its rugged image, the GX is brimming with the latest Lexus multimedia technology, offering a 14-inch multimedia display with wireless Apple CarPlay®4 and wired Android Auto™5, 12.3-inch full digital instrument cluster and colour head-up display (HUD) across the range, paired on Luxury grades with a 10-speaker audio system, wireless phone charger6, a total of six USB-C ports and a 220V socket in the rear.

All GX vehicles come fitted with Lexus Connected Services7 facilitated by a Data Communication Module installed inside the vehicle, bring a range of safety, security and vehicle information benefits to the customer’s fingertips.

A comprehensive suite of Lexus Safety System+ active safety technologies is standard across the GX range, including the Pre-Collision System with dynamic radar cruise control, lane trace assist, front and rear parking support brake and a panoramic view monitor.8

GX 550 Outback-conquering Overtrail

The outback-conquering Overtrail grade maximises the excellent fundamental capability of the GX platform and is clearly identified from the outside by its black 18-inch alloy wheels and ToyoTM3 Open Country all-terrain tyres, unique off-road enhanced front and rear bumpers, black wheelarch mouldings, door handles and exterior mirrors, and optional two-tone roof.

Inside, the five-seat-only Overtrail gains unique seats with olive green Ultrasuede®3 front accents and stitching, special ornamentation and garnish, a slim credit card key fob and refrigerated cool box.

Overtrail truly separates itself from its siblings with under-the-skin mechanical enhancements, starting with the Adaptive Variable Suspension (AVS) and Lexus-first electronic Kinetic Dynamic Suspension System (eKDSS) which can constantly engage and disengage the front and rear stabiliser bars to maximise traction and comfort off-road.

The suspension systems are paired with traction aids including Multi-Terrain Select, Crawl Control, Downhill Assist Control and a rear electronic locking differential; along with an upgraded alternator and Multi-Terrain Monitor which may allow drivers to gain a full view of the vehicle’s undercarriage and surroundings.8

GX 550 Sports Luxury

Crowning the GX 550 range is the flagship Sports Luxury which takes signature Lexus craftsmanship and opulence to a new level with a range of welcome guest-focused enhancements.

Building on the Luxury grade, the Sports Luxury gains AVS, unique 22-inch alloy wheels, high-grade LED headlights featuring the Adaptive High-beam System with BladeScan™3 technology, a fixed panoramic roof with opaque dimming function, kick sensor for the powered tailgate and automatic extending/folding side steps.

The seven-seat Sports Luxury gains semi-aniline leather accented upholstery with a wider choice of interior colours, massaging front seats with 10-way driver’s seat adjustment, heated steering wheel, multi-colour ambient interior illumination, illuminated scuff plates, credit card key, refrigerated cool box and manual rear sun shades.

Audiophiles will also appreciate the Sports Luxury’s 21-speaker Mark Levinson®3 premium audio system for incredible playback clarity even at high volumes.

All GX grades are powered by the smooth and torque-rich 3.5-litre twin-turbo V6 petrol engine, producing 260kW of power from 4800-5200rpm and 650Nm of torque from 2000-3600rpm.

A DirectShift 10-speed torque-converter automatic transmission offers a wide band of close-gear ratios for powerful performance while also aiding fuel economy, and drives all four wheels via a full-time all-wheel drive system with a locking centre differential and low-range gearing.

An integrated towing hitch receiver and trailer wiring harness connection allows for the easy fitment of towing equipment, providing up to 3,500kg14 of braked towing capacity on Luxury and Overtrail grades, and 3,130kg14 on Sports Luxury.

Lexus GX 550 owner benefits and pricing

A complimentary three-year subscription to Lexus Encore owner benefits program9 is included with every new GX purchase, providing owners with access to DriveCare 24/7 roadside assistance10, VIP offers with Lexus luxury hotel partners, invitations to exclusive events, and discounts to movies and Ampol premium fuels11and more.

The fuel savings and special deals on accommodation especially will be welcomed by GX customers in the pursuit of wonderful lifestyle experiences made possible through the most utilitarian Lexus yet.

GX buyers can further upgrade their ownership experience with a membership to the Encore Elevate12 program, which gives customers access to a full fleet of Lexus vehicles through Lexus On Demand13, as well as access to valet parking at select shopping centres and premium airline lounges across the world. Encore Elevate is available through a 12-month membership priced at $1,899.

The Lexus Warranty Experience15 covers all GX grades for five years and unlimited kilometres for customer peace of mind.

Five years capped price servicing at $595 per service comes with GX, with intervals of six months/10,000km.16

Luxury and Sports Luxury variants are available with the choice of seven stylish exterior paint colours comprising Sonic Quartz, Mercury Grey, Titanium, Titanium Carbide Grey, Graphite Black, Khaki Metal and Deep Blue.17

The Overtrail is also available in Sonic Quartz or Graphite Black, but can exclusively be paired with a two-tone black roof in Titanium, Titanium Carbide Grey, Khaki Metal and the all-new Moon Desert colour.16

Model Price1
GX 550 Luxury $116,000
GX 550 Overtrail $122,250
GX 550 Sports Luxury $128,200

Lexus GX 550 Models

GX 550 Luxury

Mechanical

  • 3.5-litre V35A-FTS twin-turbocharged petrol V6 engine
    • Peak power output of 260kW
    • Peak torque output of 650Nm
  • Direct-shift 10-speed automatic transmission with manual shift mode and 2nd start
  • Three-mode Drive Mode Select
  • Low-range transfer case
  • Full-time all-wheel drive with lockable Torsen®1 centre differential
  • 80-litre fuel tank
  • 200A alternator

Exterior

  • 20-inch alloy wheels with 265/55 R20 tyres
  • LED headlamps with dynamic auto-levelling, cornering and headlamp washers
  • LED daytime running lights and front fog lamps
  • LED tail lamps and reversing lights
  • High-mount LED stop lamp
  • Side-mirror indicators
  • Flat-type roof rails
  • Rear spoiler
  • Rear mud guards
  • Rear privacy glass
  • Illuminated side steps
  • Front and rear scuff plates
  • Body-coloured door handles
  • Aluminium bonnet
  • Choice of seven exterior paint colours2

Interior

  • NuLux®1 seat trim
    • Choice of Black or Dark Grey interior trim2
  • Leather-accented gear shift knob and steering wheel trim
  • Tsuyasumi or Oak front centre console trim2
  • Front and rear LED interior lighting with touch sensors for reading lamp
  • Interior ambient lighting
  • NuLux®1 trim lockable glove box
  • Carpeted floor mats
  • Third-row seats (seven seats total)

Safety3

  • Lexus Safety System +:
  • Pre-collision system with autonomous emergency braking
    • Pedestrian (day/night), cyclist (day/night) and motorcycle (day) detection
    • Intersection assistance
    • Emergency steering assist
  • Dynamic Radar Cruise Control
    • Curve speed reduction
    • Indicator-linked pre-acceleration
  • Lane trace assist with lane-departure alert
  • Driver monitor linking
  • Automatic high beam
  • Road-sign assist (Speed Signs Only)
  • Emergency driving stop system
  • Hill-Start Assist
  • Front and rear Parking Support Brake with parking sensors
  • Blind Spot Monitor (including stationary) with rear-cross traffic alert
  • Safe Exit Assist
  • Active traction control
  • Panoramic View Monitor
  • 9 Airbags
  • Tyre inflation pressure monitor
  • Trailer wiring harness with integrated towing hitch receiver

Comfort & Convenience

  • Three-zone automatic climate-control with nanoeX™1
    • Separate control panel for rear passengers
  • Heated driver, front passenger and second-row outboard seats
  • Ventilated driver and front passenger seats
  • 8-way driver and front passenger seat power adjustment with 2-way power lumbar adjustment, and seat memory driver’s only
  • 60:40 folding second-row seats
  • Power-folding third-row seats
  • Power back door with glass hatch
  • Smart entry and smart start
  • Steering wheel-mounted controls and paddle shifters
  • Power tilt and telescopic steering wheel adjustment
  • Heated exterior mirrors with puddle lamps
  • One-touch power windows
  • Automatic rain-sensing wipers
  • 12 cup holders (4 per row) plus 2 in second-row armrest

Multimedia and Connected

  • 14-inch touchscreen multimedia display with “Hey Lexus” natural voice recognition
  • Satellite navigation4
  • DAB+ digital radio5
  • Wireless Apple CarPlay®6 and Wired Android Auto™7,8
  • 12.3-inch multi-information display
  • Colour head-up display
  • 10-speaker Pioneer®1 audio system
  • 6 USB-C ports (2x front, 2x second row, 2x third row)
  • Front Qi wireless charger9
  • 12V DC (front and rear) and 220V (rear) sockets
  • Lexus Connected Services10 with inbuilt Data Control Module (DCM)

Lexus GX 550 Overtrail (additional to Luxury)

Mechanical

  • Adaptive Variable Suspension (AVS)
    • 5-mode Drive Mode Select
  • Electronic Kinetic Dynamic Suspension System (eKDSS)
  • Rear differential lock
  • 240A Alternator (+40A)

Exterior

  • 18-inch black alloy wheels with 265/70R18 all-terrain tyres
  • Overtrail bumpers with silver painted lower bumper finish
  • Radiator grille shutter
  • Wide resin wheelarch mouldings
  • Black/resin garnishes (pillars, door handles, side mirrors, window mouldings and rocker)
  • Provisional mounts for rock rails
  • Bridge-type roof rails
  • Choice of two solid and four two-tone exterior paint colours2

Interior

  • Olive green Ultrasuede® 1 accents and stitching on front seats2
    • Choice of Chauteau or Black interior trim2
  • Unique softened seat bolsters and stiffened seat base
  • Unique door trim ornamentation, garnish and finish

Comfort and convenience

  • Credit card key
  • Refrigerated cool box

Safety3

  • Multi-Terrain Select with Auto, Dirt, Sand, Mud, Rock & Deep Snow
  • Crawl Control
  • Downhill Assist Control
  • Multi-Terrain Monitor

Deleted specification compared to GX 550 Luxury

  • 20-inch alloy wheels
  • Third-row seats, seatbelts & curtain shield airbags (5 seats total)
  • Second-row seat heating
  • Rear-door smart entry
  • Front passenger-seat lumbar support
  • Mercury Gray, Titanium, Titanium Carbide Gray, Khaki Metal and Deep Blue exterior paint colours
  • 2nd start

Lexus GX 550 Sports Luxury (additional to Luxury)

Mechanical

  • Adaptive Variable Suspension (AVS)
    • 5-Mode Drive Mode Select

Exterior

  • 22-inch alloy wheels with 265/55R22 tyres
  • High-grade LED headlamps with Adaptive High-Beam System (AHS)3
  • Auto-extending/folding side steps
  • Fixed panoramic roof with E-Shade and electronic sliding shade
  • Radiator grille shutter

Interior

  • Semi-aniline leather-accented upholstery
    • Choice of Dark Grey, Black or Hazel interior trim2
  • Multi-colour ambient interior lighting
  • Digital rearview mirror
  • Unique door trim ornamentation, garnish and finish
  • Unique pillar fabric
  • Unique instrument panel finish
  • Illuminated scuff plates

Comfort and convenience

  • 10-way driver’s seat adjustment with thigh support
  • Driver and front passenger massaging seats
  • Front headrest fore/aft adjustment
  • Heated steering wheel
  • Kick sensor for powered tailgate
  • Credit card key
  • Refrigerated coolbox
  • Manual rear sun shades

Multimedia

  • 21-speaker Mark Levinson®1 premium audio system

Deleted specification compared to GX 550 Luxury

  • Illuminated side steps

Lexus GX 550 Exterior design

The design of the all-new GX represents a true statement of intention as a luxury SUV that combines refined and stylish touches with genuine, rugged off-road ability.

The tough off-road proportions of the ladder-frame GX are clearly evident thanks to its squared-off stance and wide wheelarches which evoke a hard, yet modern design.

The GX measures 5,015mm long, 1,980mm wide and 1925mm tall in Luxury guise1. Sports Luxury (with 22-inch wheels) and Overtrail (higher ground clearance) ride 10mm taller at 1,935mm, with Overtrail uniquely 20mm wider at 2,000mm courtesy of its wider track1. All share the same 2,850mm wheelbase.1

The front styling of the GX is framed by a tough and functional frameless iteration of the signature Lexus spindle grille, promoting functionality and performance.

Cooling performance informed the placement of the black grille opening, positioned to suit the location of the engine’s radiator. The lower bumper beneath the grille is placed high for excellent ground clearance, with an approach angle of 26 degrees contributing to the GX’s fantastic inherent off-road ability.

The GX’s bonnet is crafted with visibility in mind, aided by a low bonnet centre that helps drivers spot obstacles ahead. The bonnet is raised and squared off at the corners to also help drivers determine the GX’s position relative to its immediate terrain.

GX 550 Lighting

Signature Lexus three-dimensional L-shaped daytime running lights (DRLs) cut through the middle of the GX head lamp cluster, underscoring the triple high-low beam arrangement that provides fantastic forward illumination in low-visibility situations.

Sports Luxury grades add the Adaptive High-beam System (AHS)2 with BladeScan™3 technology which can selectively dim the road ahead to prevent dazzling other road users while still providing full lighting for the rest of the road.

Below the integrated head lamp cluster and nestled in the lower bumper are the front fog lamps and cornering lamp, combining to provide a comprehensive array of lighting solutions.

Viewed in profile, the off-road intentions of the GX are clear to see with the muscular silhouette, clean edges and generous ground clearance.

The GX’s belt line raises upwards over the rear wheels too add further muscularity to the generously flared wheelarches, while a stylish rear spoiler helps to reduce the vehicle’s overall drag Co-efficient (Cd) value.

At the rear

At the rear, the GX features the signature Lexus lamp spanning the width of the tailgate like its SUV Lexus brethren, but with a more utilitarian combination tail lamp design reflecting the unpretentiousness of the GX’s overall design. The reversing and turn signal lamps are stacked underneath the stop lamp in a stylish three-layer design.

The powered tailgate features a glass hatch to help retrieve items from the cargo area with ease, while Sports Luxury adds a kick sensor to the tailgate for hands-free operation.

Entry and exit

Entry and exit are made easier for Sports Luxury customers with the standard fitment of auto-folding and retracting side steps which are programmed to fold down when the side doors are opened, and retract neatly once either the doors are shut or the vehicle reaches a speed of 5km/h or more. The automatic function can also easily be turned off via a switch on the dashboard.

Wheels and tyres

Each GX grade features a different alloy wheel design, starting with the Luxury fitted with 20-inch alloys made up of six twin spokes featuring a contrast dark and bright machined finish, wrapped in 265/55 R20 rubber. Each member of the GX family comes standard with a full-size spare tyre.

Sports Luxury commands the road with striking 22-inch forged alloy wheels featuring a 12-spoke design angled like the blades of a fan to provide maximum visual impact, paired with 265/50 R22 section tyres.

In order to maximise off-road capability and fit its larger 265/70 R18 Toyo™3 Open Country all-terrain tyres, Overtrail downsizes to 18-inch black alloys with a rugged six-spoke design – one of the multiple unique visual features of this grade.

As Overtrail is designed to maximise off-road functionality, the front bumper is raised at the corners to help pilot through steep ditches and water. The unique silver bumper centre and aluminium under guard add a further differentiating visual touch.

The Overtrail’s special bumper treatment extends to the rear, while wheel track is extended by 20mm1 compared to the rest of the GX range, necessitating the fitment of widened black wheelarch mouldings.

Black theming is further applied on Overtrail, including the door handles, side mirrors and bridge-type roof rails. A two-tone black roof is also exclusively to the dedicated off-road grade.

Colour choices

Luxury and Sports Luxury grades are available with the choice of seven high-quality exterior paint colours, consisting of Sonic Quartz, Mercury Grey, Titanium, Titanium Carbide Gray, Graphite Black, Khaki Metal and Deep Blue.4

The Overtrail is available in single-colour Sonic Quartz or Graphite Black and may be specified with a two-tone black roof paired with Titanium, Titanium Carbide, Khaki Metal and the newly introduced Moon Desert hue.4

Lexus GX 550 Interior

The all-new GX matches its tough and rugged exterior visage with an elegant and functional cabin that promotes intuitive usability and strong durability, while retaining all the luxury and amenity Lexus owners have come to expect.

Like every Lexus, the GX adopts the Tazuna concept which is designed to have key vehicle functions logically placed and within easy reach, allowing the driver to maintain forward vision with eyes on the road as much as possible.

Matching its tough exterior design, the cabin of the GX utilises simple, straight design with a flat dashboard which forms a T-shape with the centre console and multimedia unit.

The use of luxurious materials and design touches juxtapose the utilitarian functionality of the latest Lexus. Unmistakable Takumi craftsmanship creates a refined environment even when passengers are tilted in their seats while the GX navigates the most difficult terrain.

The horizontal dashboard is set low to afford drivers not only excellent forward visibility, but the flat surface also acts as a type of spirit level, informing the driver the GX’s tilt angle when traversing hill sides and uneven terrain.

GX 550 Tech-centric environment

The utilitarian design of the GX cabin belies a tech-centric environment offering a wealth of vehicle information relating to multimedia, climate control and safety systems, tuned for both on- and off-road driving.

All GX grades have a full-width 12.3-inch digital instrument cluster with the driver able to select from three different layouts. Options include a central speedometer with displays on either side, outer displays for speedometer and tachometer with a navigation display in the centre for example, or a more minimalist arrangement showing a central digital speedometer flanked by more simple visuals.

Information available for display through the various configurations includes: navigation, engine performance, off-road systems, multimedia and safety; while changing Drive Mode Select1 and Multi-Terrain Select1 settings prompts a full-screen vehicle animation to appear. Multi-Terrain Select is available on the Overtrail grade only. With a myriad of possible customisations, this is yet another way Lexus makes luxury personal.

Colour head-up display (HUD)

The large colour head-up display (HUD)1 available on all grades may also be customised based on the driver’s preference.

‘Standard’ mode shows vehicle speed, selected gear, speed limits and adaptive cruise control information set low across the bottom of the HUD1 display, while ‘Full’ mode provides a more comprehensive view of the GX’s active safety system information.1

‘Minimum’ mode shows the vehicle speed only, with the driver able to adjust the brightness, display position and rotation of the HUD which is linked to the seat memory function to allow each driver to have their preferred settings ready every time the vehicle is started.1

Changes to the multi-information display and other driving functions are operated via buttons mounted on the leather-accented steering wheel, combining with a range of tactile physical buttons around the driver to demonstrate the Tazuna cockpit concept that keeps all critical vehicle functions within easy reach.

Functional and stylish

On the door side, the driver can access switches relating to basic exterior and driver’s seat functions; while the centre console houses a range of on- and off-road driving switches that help those with access explore the traction possibilities.

The centre console also houses the leather-wrapped gear shifter, two cupholders which can be hidden by a roller cover, and a range of charging solutions including a wireless charger2, 12V power supply and pair of USB-C outlets, regardless of grade.

Overtrail and Sports Luxury provide extra comfort and amenity on hot days with the standard fitment of a refrigerated cool box in place of the centre storage compartment, helping keep food and drinks refreshingly cold when on the road.

The centre console features a stylish and rugged-looking Tsuyasumi charcoal-effect film ornamentation created by layering cinder-like black film to produce a delicate layered effect. Customers can also opt for an oak wood veneer with luxurious, textured open-pore finish.3

Luxury and Overtrail welcomes passengers with a single-colour ambient interior illumination scheme around the footwells, doors and centre console; while Sports Luxury is offered with 14 different colour themes evoking a range of moods. Sports Luxury customers may also choose from a palette of 50 different colours to find the hue to perfectly match their cabin in accordance with Lexus making luxury personal.

Further cabin ambience is provided on Luxury and Overtrail through a power-operated sliding moon roof, while Sports Luxury gains a large panoramic roof that extends back to the second-row seats, and features a dimming switch which can change the glass from clear to opaque at the touch of a button.

GX 550 NuLux®4 upholstery

Supple perforated NuLux®4 upholstery is also used for the seats on Luxury grades, which in the front row offers eight-way power adjustment with two-way lumbar adjustment and memory function.

Overtrail grades also feature NuLux®4 upholstery with contrasting olive green Ultrasuede®3 accents and stitching, while Sports Luxury owners are cosseted by luxurious semi-aniline leather seats with 10-way driver’s seat adjustment and driver/front passenger massage function.

Luxury grades is available with black or dark grey upholstery, while Sports Luxury adds the rich Hazel brown as an option. Overtrail grades can be had in either black or new Chateau colour – a lighter tan hue paired with black bolstering.2

The seats are meticulously crafted to offer amazing occupant comfort, with particular attention paid to the distribution of backrest and seat pressure to make long journeys pleasurable.

Overtrail front seats feature slightly modified seat pressure, with softer side bolsters and slightly firmer seat bottoms to help reduce body movement on rough roads.

Climate control system

All GX front seats offer three-stage heating and ventilation, accessed through the climate control panel which forms part of the 14-inch touchscreen multimedia system on all GX grades.

The three-zone automatic climate control system features nanoeX®4 air ionisation technology, a high-powered evaporator and Lexus Climate Concierge, which syncs the seat heating/ventilation and steering wheel heater with the air conditioning to provide holistic climate control.

The climate control panel offers a mix of physical switches for the temperature setting and demister, along with touchscreen buttons integrated into the multimedia unit, which otherwise offers crisp graphics, snappy operation and an easy-to-use tablet-style layout.

Infotainment Technology and Connectivity

All GX grades have cloud-based navigation, dynamic voice recognition that may operate functions such as windows and climate control, and compatibility with wireless Apple CarPlay®5 and wired Android Auto™6.

Luxury and Overtrail grades are paired with a 10-speaker Pioneer®4 sound system with a 22.4cm subwoofer, while the flagship Sports Luxury offers an audio system to match with a 21-speaker Mark Levinson™4 Premium Surround Sound System designed to offer impeccable audio purity and depth at any volume.

Sports Luxury also adds an auto-dimming digital rearview mirror, which can switch the regular glass mirror to a screen displaying a feed from the reversing camera at the flick of a switch – perfect for when the rearward view is obstructed by luggage or occupants.

Internal storage and space for occupants

Ample storage options are available for front occupants, including generously sized door pockets, a passenger-side tray built into the dashboard and a lockable glove box along with the cupholders and centre console box/cool box.

Moving to the second row, passengers get ample space with a 951mm couple distance and the ability to adjust the climate control settings and outboard seat heating (available on Luxury and Sports Luxury) via a panel on the rear of the centre console.

You can find cupholders in the door pockets and drop-down centre armrest, while the rear of the centre console features a pair of USB-C ports for second-row charging options. Sports Luxury grades further add manual sunshades for increased privacy.

The standard 60:40 split-fold second-row seats offer twenty-eight degrees of reclining adjustment, which you can either topple down to maximise luggage volume or tumble forward to make for simple ingress into the third row.

The Luxury and Sports Luxury models provide third-row seats that offer eight degrees of recline adjustment and can be electrically folded to the floor via switches located in the luggage compartment or immediately behind the second-row seats.

Third-row occupants gain two cupholders built into the side of the rear quarter trim alongside a USB-C port, while the luggage compartment features a 100W/220V AC power outlet on the right deck side.

Seven-seat Luxury and Sports Luxury grades generate 171 litres of cargo space with all seats up, expanding to 949L with the third-row seats folded and a maximum 1875L with second and third row seats stowed. Five-seat Overtrail offers 1063L of space with all seats upright, increasing to a cavernous 2000L with the rear seats folded.7

GX 550 Engine and drivetrain details

V6 turbo powertrain and 10-speed transmission deliver punchy performance and Lexus smoothness

Lexus is driven by the needs of its customers, and GX customers in Australia need strong performance from a luxury SUV designed to tackle some of the challenging off-road environments.

Lexus therefore elected to power the new-generation GX with a powerful 3.5-litre V6 petrol engine with twin turbochargers and intercooler, deemed the right choice to deliver the robust performance and immediate response required for both on-road and off-road driving.

Aside from its high power and torque outputs – 260kW and 650Nm respectively – the V35A-FTS unit also delivers the smoothness and low engine noise expected from a Lexus vehicle.

Maximum torque is produced from a low 2000rpm and remains constant to 3600rpm, providing instant response across a rev range employed in most driving conditions. The result is smooth and steady acceleration on-road and instant response off-road such as when driving across rocky terrain, steep slopes, river crossings and uneven surfaces.

Design elements for efficiency

High outputs are achieved in tandem with thermal efficiency through high-speed combustion technology.

This technology includes straight intake ports developed using performance simulations based on F1, a long stroke (100mm x 85.5mm bore), increased valve angle and laser-clad valve seats. These features achieve both strong tumble flows and an increase in air intake flow for optimum high-speed combustion, while delivering excellent fuel economy and respectable CO2 tailpipe emissions.

The lip-shaped piston surface and precise injection control ensures that during cold start-up a rich air-fuel mixture collects around the spark plug for stronger ignition and stable combustion. The benefit of this system is the temperature becomes higher quicker, with the hotter exhaust gas flowing into the catalyst enhancing its warm-up performance, realising both low emissions and engine quietness.

Carbon dioxide exhaust emissions measured by the Australian Design Rules (ADR) 81/02 test using the NEDC combined cycle results in CO2 emissions of 279g/km.1

Fuel consumption is rated at 12.3L/100kms on the same ADR 81/02 test cycle.2

Towing performance

In addition to go-anywhere performance, GX also needs to be able to tow almost anything, from a stacked camping van across the Outback to a fully loaded horse float. The bountiful V6 engine and strong powertrain provides a commendable 3,500kg braked towing capacity3 on Luxury and Overtrail (3,130kg3 on Sports Luxury) ideal for the adventurous Australian GX customer.

The V6 twin turbocharged engine requires premium fuel with a minimum 95 octane rating, while the generous 80-litre tank enables driving deep into adventure territory.

Noise suppression

The engine’s refinement and smoothness are aided with Active Noise Control on both the intake and exhaust systems, suppressing unpleasant engine booming. The damping of these noises occurs between a frequency range of 30 to 200 Hertz.

Furthermore, ball joint flanges are fitted before and after the main muffler. The flanges reduce the transmission of exhaust pipe vibrations into the cabin, mainly at idling speed and low rpm range (600 to 2000 rpm). This helps provide the level of refinement and low NVH expected by Lexus customers.

Further noise suppression is achieved by increasing the capacity of the muffler and adding noise-absorbing material into the muffler’s inner pipe.

Engine Sound Enhancement

To help create an engine sound that adds an aural layer to the GX’s dynamic performance, all grades feature Engine Sound Enhancement (ESE).

When the Drive Mode Select switch is set to Sport S, Sport S+, or Custom mode – together with the powertrain mode set to Power – ESE activates in sync with the throttle position to produce a pleasant sound in harmony with the driving. Similarly, at low rpm, ESE is inactive to keep noise levels low for serene driving.

10-speed automatic transmission

Engineers match the V6 engine to a direct shift 10-speed automatic transmission, helping to deliver smooth and seamless acceleration. Close gear ratios allow the vehicle to make optimum use of the engine’s rich torque at low rpm, aiding both low fuel consumption and quietness.

The design team utilises a low-ratio first gear to increase drive force from standstill, while the final 10th gear features a ratio 12.9 percent higher than the outgoing final 6th gear in the previous GX, also contributing to both low fuel consumption and quietness.

Engineers mate a newly developed torque converter to the transmission, locking it up at higher revs to deliver linear and smooth acceleration.

The team adopts a direct connected downshift for deceleration, with the gearbox selecting an intermediate gear upon sudden throttle lift to reduce the time it takes for the driver to feel the vehicle’s response.

Full-time all-wheel-drive system

Power is delivered to all four wheels through a full-time all-wheel-drive system, providing customers with stable and faithful handling regardless of road surface conditions. A Torsen™4 limited-slip differential has been adopted on the centre differential to enhance cornering and vehicle stability, which can be locked to provide true four-wheel drive.

An enhanced low-range transfer case has been adopted for the all-new GX which has been installed at an angle that increases its ground clearance while promoting a low centre of gravity. The transfer case can switch from high to low-range in just 0.8 seconds.

GX 550 Drive Mode Select system

Owners can also more finely tailor the GX’s driving characteristics through the Drive Mode Select system, which on Luxury can be configured in three settings starting with Normal mode which provides a balance between powertrain throttle response, power steering feel and air conditioning output to suit a wide variety of driving scenarios.

Eco mode delivers a gentler dose of engine torque in accordance with throttle input compared to Normal mode while suppressing the operation of the climate control system to maximise the fuel economy of the GX’s twin-turbocharged V6.

Lastly for Luxury, Sport mode enhances steering feel, powertrain response and transmission characteristics to bring to life the GX’s dynamic capabilities.

Overtrail and Sports Luxury gain the sophisticated Adaptive Variable Suspension (AVS) system which increases Drive Mode Select functionality to five modes plus custom mode, providing owners with further personalisation of their GX.

Along with Normal and Eco mode, AVS-equipped models offer Comfort mode which adjust the suspension parameters to provide the smoothest possible ride with soft damping force that mitigates shocks and bumps from uneven road surfaces.

Sport S mode replaces the Luxury’s Sport mode and increases engine and transmission response while keeping suspension, power steering and air conditioning systems normal – perfect for situations like overtaking or towing uphill where additional grunt may be required.

Sport S+ mode sets the powertrain, suspension and powertrain response to their sportiest setting, enhancing the handling and throttle response to its highest level.

Alternatively, Overtrail and Sports Luxury customers are provided ultimate choice and personalisation with Custom mode, which allows them to individually tailor the powertrain (eco/normal/power), suspension (comfort/normal/sport), power steering (normal/sport) and air conditioning (eco/normal) to their preference – providing a unique and personalised take on the Lexus Driving Signature.

Lexus GX 550 Architecture

The all-new GX is crafted from the ground up to offer the performance, comfort and rugged durability worthy of a premium off-road SUV; starting with its rigid, high-strength GA-F ladder-frame architecture.

Featuring excellent torsional rigidity, Lexus engineers have evolved the GA-F platform with the application of a steel plate around the outer sections of the ladder frame, with ultra-high tensile strength steel used in optimal locations to maximise strength.

The integrated towing hitch receiver standard on all GX grades is designed to optimise weight distribution to ensure Luxury and Overtrail maximum 3,500kg braked towing capacity1 is achieved safely, and 3,130kg1 for Sports Luxury.

Construction details

The manufacturer uses tailor-welded blanks on the chassis side rails and cross members, which join sheets of steel of differing thickness. Engineers use laser welds at optimal points, then press-form materials, helping to significantly reduce weight while retaining the chassis’ strength and rigidity.

The design team achieves maximum rigidity with 11.9 metres of structural adhesive used throughout the body, along with extensive spot welding around the door openings and underfloor. They use larger brackets for mounting the body to the chassis to also help improve overall rigidity.

The company adopts rust-resistant sheet steel on the frame and applies a coating using electrodeposition to provide excellent rust resistance.

The engineers use an annular construction to connect the instrument panel components to the cowl frame, providing a 46 per cent improvement in lateral steering rigidity compared to the previous-generation GX (not sold in Australia).

The team enhances handling stability further with cross braces for the radiator support upper, along with a dedicated reinforcing panel that improves rigidity around the bonnet lock.

The manufacturer designs the aluminium bonnet to help reduce weight and partly makes it from recycled aluminium to lower its environmental footprint.

Noise, vibration and harshness (NVH) levels

Like with any Lexus, engineers took great care to ensure noise, vibration and harshness (NVH) levels on the GX are kept to a minimum to ensure passengers enjoy quiet and serene comfort.

The larger mounting points between the body and chassis feature improved cushioning, which along with a cross-braced bulkhead at the rear of the chassis, suppress cabin vibrations compared to the previous GX.

We optimise the thickness and weight per area of inner silencers placed around the firewall, floor, and doors using conversation clarity as a benchmark for interior noise, and we reduce the gaps between peripheral parts to lessen the influence of outside noise.

Additional seals are added on the windshield and window B-pillar, while the thickness of the rear-quarter glass is increased to provide further insulation. Acoustic glass is adopted for the front doors.

Engineers used foam materials in optimal locations including the base of the A- and B-pillars, as well as noise-insulating and vibration-damping materials around the wheelarches, underfloor and even between the intake inlet and cabin – all in the name of offering signature Lexus whisper-quiet comfort.

Even the all-terrain tyres offered on Overtrail have a revised tread pattern to enhance quietness while maintaining their superior off-road performance.

Suspension setup

A high-quality suspension system is one of the most important ways to ensure passenger comfort, with GX engineers striving to provide a setup that offers Lexus-like comfort on-road while facilitating the best possible performance off the beaten path.

All GX grades employ a newly developed high-mount double wishbone front suspension system with optimised geometry, allowing for the fitment of up to 22-inch wheels on Sports Luxury grade while providing excellent durability.

The new suspension provides an extra 10mm of stroke compared to the outgoing GX which improves off-road driveability, with a larger caster trail and high-strength forged aluminium knuckle bring further off-road prowess.

Increasing the fastening torque on multiple suspension components improves rigidity and faithful steering response, while the positioning and characteristics of the stabiliser reduce roll by cutting the roll angle compared to the previous GX.

Engineers use high-strength steel for the coil springs, which they carefully design to offer excellent handling stability, ride comfort, and durability.

The all-new GX features a four-link rigid axle rear suspension setup, which provides excellent reliability, wheel articulation, and many of the improvements that enhance the front suspension, including greater suspension stroke (+20mm), increased fastening torque, and optimised placement of components to enhance stability and comfort.

Luxury grade vehicles feature dampers with high-flow pistons, independent telescopic valves, and a friction control device that allows the damping force on the extension and contraction side to be well balanced, leading to a flat ride and excellent comfort with high levels of noise and vibration suppression.

Adaptive Variable Suspension (AVS)

Overtrail and Sports Luxury further augment the GX’s suspension setup with the addition of Adaptive Variable Suspension (AVS), which adds a linear solenoid actuator to each damper, allowing for continuously variable damping force to provide both on- and off-road benefits.

The AVS system uses signals from the steering, yaw rate and linear and vertical G sensors to help reduce vibrations, pitch and roll, and will adjust the damper stiffness based on selected drive mode.

When engaging low range, the absorber force is adjusted to increase the sprung weight vibration damping on rough roads. If the driver encounters an off-road situation where the diagonally opposite wheels are spinning over a set of moguls, the AVS system will adapt to minimise rocking of the body.

Steering and brakes

Engineers introduce a rack-assisted electric power steering system to offer easier and more direct steering inputs compared to the outgoing hydraulic system, providing 50mm of tilt and 60mm of telescopic adjustment.

The GX achieves stopping power via opposed two-piston calipers that grab 354mm x 32mm ventilated discs at the front, paired with floating single-piston rear calipers that wrap around 335mm x 20mm ventilated discs at the rear.

Combining the GX’s fundamental strength and capability with extensive NVH measures and a comfortable driving experience ensures the all-new GX continues to deliver the Lexus Driving Signature with a potent blend of on- and off-road performance.

Lexus GX 550 Overtrail details

When Lexus created the global Overtrail Project, the luxury lifestyle brand aimed to present an initiative to stoke the adventurous spirit within Lexus customers, be it leisurely picnics in the park or overland adventures to the furthest reaches of land.

The ultimate expression of the Overtrail Project is the all-new GX 550 Overtrail – the first Lexus to bear the new off-road focused nameplate – which augments the already formidable fundamental overland capability of the GX with a number of exclusive features to give customers the ability to trek further into the bush than ever before.

To meet the needs of Overtrail customers who value vehicle capability over comfort, Lexus has chosen to present this GX variant exclusively in five-seat configuration, with Luxury and Sports Luxury delivering seven-seat flexibility.

Building on the specification of the GX 550 Luxury, the Overtrail becomes the first Lexus vehicle equipped with the sophisticated Electronic-Kinetic Dynamic Suspension System (eKDSS) which provides unparalleled wheel articulation and ground coverage when traversing uneven surfaces.

Electronic-Kinetic Dynamic Suspension System (eKDSS)

eKDSS is tuned for both on-road and off-road driving to meet the diverse needs of Lexus customers.

eKDSS uses electronic control to continuously and automatically lock and unlock the front and rear stabiliser bars which maximises both comfort and ground covering ability with no required inputs from the driver.

Compared to the hydraulic KDSS system offered on the previous GX (not sold in Australia) which would only unlock the stabiliser bars when the movements of the front and rear wheels were in opposite phase, eKDSS detects various factors including road surface conditions, vehicle speed and steering inputs to continuously lock and unlock the stabilisers as the situation demands.

As well as providing increased wheel articulation compared to KDSS when traversing difficult terrain, eKDSS also enhances comfort by leaving the stabiliser bars unlocked when driving straight on rougher roads in high range, helping the vehicle to reduce shocks and bumps from the road entering the cabin and affecting the occupants. When cornering, the stabilisers will automatically lock to ensure a flat ride and handling stability.

In low range, the parameters for keeping the stabilisers unlocked is expanded to enhance capability over rough terrain. The stabilisers remain unlocked in straight-line driving and the front stabiliser only is locked during cornering.

eKDSS works in harmony with the Multi-Terrain Select (MTS) system – another Overtrail-exclusive feature – to finely control the parameters of the stabiliser bars based on the terrain at hand.

MTS allows owners to select from a range of modes tailored to different surfaces that automatically distribute drive force and braking in accordance with the conditions underfoot.

Driving mode selection

When in high range, drivers can choose from Auto, Dirt, Sand, Mud and Deep Snow modes; while engaging low-range gearing allows users to cycle through Auto, Sand, Mud and Rock modes.

Activated by turning the MTS switch on, Auto mode provides excellent all-round traction for a range of surface conditions, while Dirt mode suppresses any unstable vehicle behaviour on unpaved roads to provide faithful steering and accelerator inputs as per the driver’s intention in keeping with the Lexus Driving Signature.

Engineers designed Sand mode to allow a moderate amount of tyre spin to gain the optimal drive force for sandy terrain while helping to avoid the vehicle getting stuck. They designed Mud mode to provide ample tyre spin to help the vehicle track through muddy roads and bog holes with enhanced stability.

Engineers designed Deep Snow mode to prevent excessive tyre spin when starting from a standstill in snowy conditions while still allowing the tyres to slip and clear snow when driving at higher speeds.

Finally, engineers designed the low-range exclusive Rock mode to minimise tyre spin and allow maximum traction to be delivered to wheels in contact with the ground, even in situations where multiple wheels are in the air.

Traction control, locking diffs and downhill assist

Owners can also view the status of the GX Overtrail traction control systems in real time via the 14-inch multimedia screen, with an MTS-specific display showing the amount of drive force, braking force, distribution of traction across four wheels, and pitch and roll angles.

For situations where extra traction assistance may be required on top of what MTS offers, Overtrail includes a standard locking rear differential to help the GX climb out of the roughest terrain.

Difficult hilly off-roading benefits from the standard fitment of Downhill Assist Control (DAC) and Crawl Control, which provides either autonomous accelerator or braking input to help navigate steep uphill and downhill slopes at steady and safe speeds.

Drivers can engage Crawl Control in low range, which provides five different low-level speed settings that automatically control accelerator and brake inputs, helping to provide excellent vehicle stability and allowing the driver to focus on steering their GX through tough situations.

Multi-Terrain Monitor (MTM)

Further steering assistance for GX Overtrail drivers comes from the Multi-Terrain Monitor (MTM), which uses a suite of high-resolution cameras placed around the vehicle to provide a broad range of different views of the GX’s surrounds at speeds of up to 20km/h.1

Multiple views can be shown at the same time on the 14-inch multimedia display, such as the front and sides, underfloor and sides or rear and sides, along with guidelines showing the path of the wheels as well as graphics of the vehicle’s pitch and roll angles. The underfloor view uses composite images to give drivers a view underneath the vehicle body, helping to detect unseen obstacles.

Wheels and tyres

Inside and out, designers crafted the GX Overtrail with functionality in mind, starting with its 18-inch alloy wheels – two inches smaller in diameter than the Luxury – allowing for the fitment of special 265/70R18 Toyo Open Country all-terrain tyres with high sidewalls and a more aggressive tread, perfect for generating additional traction off-road.

The Overtrail creates further stability with increased tread and an extra 20mm of track2 compared to other grades, while the Overtrail-exclusive front and rear bumpers turn upwards over the wheels to help avoid bumps and scrapes.

Other details

Even the designers of the Overtrail designed the front seats with rough-road travel in mind, incorporating softer bolsters on the seatbacks to help reduce head rocking and firmer side bolsters on the seats to help reduce movement of the pelvis, providing greater comfort for occupants.

The final upgrade specific to the Overtrail enhances the alternator for the 3.5-litre twin-turbocharged V6 engine, increasing it from 200A to 240A, which helps facilitate the fitment of heavier-duty accessories and electrical components.

Notes

1 Driver assist feature. Only operates under certain conditions. Check your Owner’s Manual for explanation of limitations. Please drive safely.
2 Weights/mass/volumes/dimensions are approximate and subject to individual vehicle variances, and should be confirmed before fitting any accessories, towing or otherwise relying on this value.

Lexus GX 550 Safety

The comprehensive suite of Lexus Safety System1 active safety technologies fits every member of the all-new GX family to assist in maximising protection for occupants and other road users at all times.

Starting with the Pre-Collision System (PCS)1, a wide range of preventative safety features covers GX customers to help minimise the likelihood of a serious accident.

PCS uses a combined millimetre wave radar and monocular camera sensor to detect preceding vehicles, pedestrians and bicyclists during day or night, and oncoming vehicles and motorcycles during the daytime.1

If PCS judges a strong likelihood of a collision, it will first alert the driver with a series of audible and visual warnings before applying autonomous braking force to bring the vehicle to a stop. Brake force will also be maintained for a short time after the GX comes to a stop to avoid any secondary collisions.1

Intersection collision avoidance support

Safely navigating intersections on the GX are made easier with intersection collision avoidance support, capable of detecting vehicles crossing at intersections and providing autonomous braking to avoid perpendicular collisions.1

The GX may also detect during daytime oncoming vehicles in up to two adjacent lanes when turning, as well as pedestrians and bicyclists crossing the road through the intersection.1

Also bundled into the PCS package is emergency steering assist, which may provide light steering and braking input to help the driver execute an evasive manoeuvre in a situation such as where a pedestrian is walking inside the vehicle’s lane. Emergency steering assist can also provide the correct amount of steering and braking input to ensure the GX stays within its own lane.1

Acceleration suppression at low speed is designed to help avoid collisions by softening unexpectedly strong throttle input when the GX is driving at low speeds with an upcoming obstacle or vehicle in its path.1

Dynamic radar cruise control (DRCC)

Every GX is available with dynamic radar cruise control (DRCC), which in the latest Lexus Safety System1 provides full speed range support including stop-start driving, greater vehicle detection and four selectable levels of inter-vehicle distance settings.1

Lexus’ dedication to providing a comfortable and convenient experience for customers even extends to the DRCC system, which is designed to provide preliminary acceleration when overtaking a vehicle when it detects the turn signal is activated. Similarly, the GX may provide automatic deceleration when merging behind a preceding vehicle to avoid harsh acceleration and braking, while providing a display of vehicles in front of the GX 550 on the digital multi-information display. 1

The GX’s road sign assist (speed signs only) links to DRCC, allowing drivers to easily set the cruise control speed in accordance with the speed limit via the steering wheel-mounted buttons.

The automatic DRCC-linked function for curve speed reduction suppresses vehicle speed if it determines an upcoming curve is too sharp to navigate safely at the current speed.

A Driver Monitor camera placed above the steering column can issue alerts if the driver seems distracted. If the driver appears to be incapacitated or unable to operate the vehicle with DRCC on, the system may slowly bring the vehicle to a stop and activate the hazard lights.

Other safety features of the GX 550

Lane departure alert and lane tracing assist is designed to help the GX stay centred in its lane with gentle steering inputs and alerts if the vehicle begins to stray from its lane.1

The GX’s blind spot monitor is linked the Safe Exit Assist function which may help prevent collisions with vehicles or bicyclists when exiting the vehicle on the road side. If the blind spot monitor detects an approaching car or bicycle when the occupant is opening the door, an indicator on the side mirror and multi-information display will flash alongside a buzzing sound.1

Front and rear parking support brake may help avoid collisions with obstacles when parking thanks to a suite of sensors placed around the vehicle, along with a high-resolution panoramic view monitor included as standard on every GX variant.1

Rear cross-traffic alert can help detect vehicles or pedestrians approaching the GX front the side when reversing out of a parking space or driveway, with arrow-shaped icons that flash on the reversing camera to show the direction of the approaching vehicle or pedestrian.1

Adaptive High-beam System (AHS)

The automatic high beam system equips Luxury and Overtrail grades, providing excellent illumination of the road ahead, while the flagship Sports Luxury offers further convenience for customers with the advanced Adaptive High-beam System (AHS) featuring BladeScan™2 technology that uses 12 LED chips and a rotating mirror reflector in each module to selectively dim the road ahead to avoid dazzling other road users while leaving the rest of the road illuminated.

AHS offers a range of light distribution modes based on vehicle speed, starting with Urban mode, which works from 15-30km/h and is designed to provide a wide beam of light with brightness adjusted to reduce glare for pedestrians.

Normal mode operates from 30-80km/h and enhances distance visibility for mid-speed driving, while high-speed mode provides the narrowest but longest field of view with a concentrated light beam.

Owners can also set the high beam to manual mode if they wish.

Passive occupant protection

Along with the extensive suite of active safety features packaged as standard into the GX, the design maximises strong passive occupant protection with the fitment of nine airbags, strong impact absorbing performance, vehicle stability and traction control, and a tyre pressure monitor.

Every GX 550 also includes an integrated towing hitch receiver and trailer wiring harness connection for those wanting to make use of up to its maximum 3,500kg braked towing capacity.

The extensive standard safety equipment fitted as standard across the GX range ensures the whole family can travel cross-country with utmost assurance and comfort.

Lexus Owner benefits

The GX’s is a utilitarian off-roader suitable for a myriad of on-road and off-driving driving possibilities. Supported with a range of Lexus approved accessories to enhance the ownership experience.

In keeping with the spirit of adventure – for Overtrail grade especially. An off-road towbar is available (together with an on-road version).

A trailer wiring harness for

  • safely connecting tail lamps,
  • turn signals, brake lights and
  • other electric systems
  • is offered through Lexus.

Together with a Lexus approved load distribution hitch to help distribute weight evenly across axles for smoother driving.

Luxury and Overtrail grades have a 3,500kg braked towing capacity1.  While Sports Luxury is rated at 3,130kg due to riding on taller 22-inch wheels.

GX load carrying options for those with active lifestyles includes roof racks. Both solid and bridge rail types. There are specific carriers for bikes, kayaks and skis.

Interior accessories include:

  • all-weather rubber floor mats,
  • cargo mats and nets for both
  • five-seater Overtrail and seven-seater Luxury and Sports Luxury configurations.

Vehicle protection is offered with a tinted bonnet protector. Weather shields help reduce glare and deflect wind, rain, dirt and bugs with window-down driving. Along with paint protection film for the four door handles.

Lexus ownership experience

Of course, there is more to Lexus ownership than simply purchasing a wonderful vehicle. GX customers can expect a benchmark full-circle Lexus ownership experience.

These include

  • integrated vehicle safety and security features for peace of mind to
  • capped price servicing with no surprises,
  • 24-hour roadside assistance,
  • complimentary vehicle pick-up and drop-off during scheduled servicing,
  • and access to lifestyle benefits and privileges exclusive to Lexus customers.

It is another way Lexus helps customers Experience Amazing with luxury that is made personal.

Many of the benefits are included as part of a three-year complimentary access to the Lexus Encore lifestyle program2.   With a further Encore benefit including access to a complimentary Lexus loan car while their car is being serviced.  Also it arrives with a complimentary exterior wash and vacuumed interior.

The Lexus DriveCare3 24-hour roadside assistance program offers GX customers comprehensive help. In the event of a breakdown or emergency. Such as running out of fuel, flat battery, tyre/wheel replacement and basic roadside mechanical fixes.

DriveCare will also provide towing to a Lexus dealer or nominated technical centre. As well as coverage for clothing and effects up to $250 in value, among other benefits.

GX customers embarking on long overland adventures will also benefit from a five cents per litre discount on fuel. This is at participating Ampol service stations.4

Some GX 550 customers prefer to indulge in a little more pampering than camping. They can activate exclusive offers and discounts with luxury hotel partners in metropolitan and regional areas. Including Crown Towers in Melbourne and boutique beachside getaway Raes on Wategos in Byron Bay.

Exclusive invitations to

  • music and dining experiences with Lexus ambassadors,
  • track drive days and
  • golf events are all part of Encore.

Service details

GX 559 owner benefits include 5 years of capped price servicing5. With each service capped at $595, over intervals of six months or 10,000km. A five-year/unlimited kilometre warranty6 is also offered on every GX for comprehensive warranty coverage.

All GX 550 grades are fitted with Lexus Connected Services7. Facilitated through the fitment of an inbuilt Data Communication Module (DCM).

Safety features include Automatic Collision Notification (ACN)8 and SOS Emergency Call9. These help owners in the event of an on-road emergency by connecting the GX 550 with third-party emergency services. These safety features remain complimentary until 2033 or the conclusion of the 4G sunset, whichever comes first.

Authorities can track the vehicle if it is stolen using Stolen Vehicle Tracking10. Lexus offers this feature within the complimentary three-year Lexus Connected Services subscription period.

Lexus Connected smartphone app

By downloading the Lexus Connected smartphone app11 owners may remotely access a range of information relating to their vehicle. Including Lexus Status Connect which may provide analytics and insights from recent trips. This will provide drivers with an overall driving score. This is  based on the harshness of the vehicle’s acceleration, braking and cornering strength.1

The system designs the Guest Driver Settings13 feature to provide notifications for owners if a guest drives the vehicle and exceeds parameters set by the owner, including speed, geofencing boundaries, and even curfews.

A range of vehicle information is also at the owner’s fingertips including the GX’s last known location. Whether the doors are locked, or if the doors, windows, bonnet and tailgate are open.9

Alerts may also be provided if any of the doors are open or left unlocked.

Other information such as

  • odometer readings,
  • fuel level and e
  • stimated remaining driving range14
  • are all available via the smartphone app.

While owners may also be remotely notified if there is a mechanical issue.

The Lexus Remote Connect function is designed to allow owners to remotely start and stop the GX’s engine. Lock or unlock the doors, or activate the horn and lights. The heated seats and climate control system may also be pre-set to provide a comfortable environment.11

Lexus Multimedia Connect15 uses voice command to seamlessly synchronise the Connected App and multimedia head unit. This is to offer a personalised and intuitive user experience.

The Lexus Encore and Connected Services benefits ensures the Lexus ownership experience is amazing.

Lexus GX 550 Specifications

Dimensions

Exterior1
Overall length 5015mm
Overall width 1980mm (Luxury, Sports Luxury)

2000mm (Overtrail)

Overall height 1925mm (Luxury)

1935mm (Overtrail, Sports Luxury)

Wheelbase 2850mm
Front track 1665mm (Luxury, Sports Luxury)

1685mm (Overtrail)

Rear track 1670mm (Luxury, Sports Luxury)

1690mm (Overtrail)

Running ground clearance2 (engine under-cover) 215mm (Luxury)

225mm (Overtrail, Sports Luxury)

Front overhang 970mm
Rear overhang 1195mm
Approach angle 26° (Luxury)

27° (Overtrail, Sports Luxury)

Departure angle 23° (Luxury)

22° (Overtrail, Sports Luxury)

 

Interior1

Length 2697mm (7-seat)

1940mm (5-seat)

Width 1575mm
Height 1189mm (Luxury, Overtrail)

1200mm (Sports Luxury)

Couple distance 7 seat: 1777mm

5 seat: 951mm

Seating 7 (Luxury, Sports Luxury)

5 (Overtrail)

Cargo (7-seat), VDA 171 litres (all seats up)

949 litres (3rd-row seats folded)

1875 litres (2nd, 3rd row seats folded)

Cargo (5-seat), VDA 1063 litres (all seats up)

2000 litres (rear seats folded)

Weights And Capacities (Approximate)

Kerb weight1 2525kg (Luxury)

2515kg (Overtrail)

2575kg (Sports Luxury)

GVM1 3150kg (Luxury)

3110kg (Overtrail)

3175kg (Sports Luxury

GCM1 6650kg (Luxury)

6610kg (Overtrail)

6305kg (Sports Luxury)

Max Tow Ball Weight1 350kg (Luxury)

350kg (Overtrail)

310kg (Sports Luxury)

Towing3 3500kg braked (Luxury, Overtrail)

3130kg braked (Sports Luxury)

750kg unbraked (all)

Fuel tank capacity (L) 80 litres

 

Powertrains

Twin-Turbo Petrol Engine
Model code V35A-FTS
Type Twin-turbo V6 with intercooler
Valve mechanism 24-valve DOHC, chain drive
Displacement 3445cm3
Bore x stroke 85.5mm x 100mm
Compression ratio 10.3:1
Maximum Power 260kW @ 4800-5200rpm
Maximum Torque 650Nm @ 2000-3600rpm
Fuel system Electronic, D-4ST
Min octane rating 95
Emissions4 Euro 5 with OBD

 

Drivetrain

Type Permanent AWD with low-range transfer case
Differentials Lockable centre differential

Lockable rear differential (Overtrail)

Mutli-Terrain Select (Overtrail) High range: Auto, Dirt, Sand, Mud, Deep Snow

Low range: Auto, Sand, Mud, Rock

 

Transmission

Type AJA0F intelligent 10-speed torque converter automatic with multi-plate lock-up clutch
Ratios
1st 4.923
2nd 3.257
3rd 2.349
4th 1.944
5th 1.532
6th 1.193
7th 1.000
8th 0.801
9th 0.661
10th 0.613
Reverse 4.307
Final drive 3.307

Fuel Economy6 (litres/100km)

Combined 12.3
Extra-urban 9.5
Urban 17.0

Co2 Emissions4 (grams/km)

Combined 279
Extra-urban 217
Urban 385

Performance

Maximum speed 175 km/h
0-100km/h (petrol) 7.0s

 

Chassis

Suspension
Front Double wishbone, stabiliser bar
Rear 4-link rigid axle, stabiliser bar
Suspension systems Adaptive Variable Suspension (Overtrail, Sports Luxury)

eKDSS (Overtrail)

Steering

Type Rack-assisted electric power steering, tilt/telescopic adjustment
Steering gear ratio Variable
Turning circle radius 6m (tyre), 6.4m (body)
Turns lock to lock 3.2

Brakes

Front 354mm/32mm ventilated discs

Four-piston callipers

Rear 335mm/20mm ventilated discs

Floating one-piston calliper

Parking brake Electric (centre-console switch)
Brake systems
  • Pre-collision system,
  • autonomous emergency braking,
  • vehicle stability control,
  • hill-start assist control,
  • ABS with brake assist,
  • active traction control,
  • trailer sway control,
  • downhill assist control (Overtrail),
  • crawl control (Overtrail)

Wheels & Tyres

Size, construction 20” alloy wheels, 265/55R20 (Luxury)

18” alloy wheels, 265/70R18 (Overtrail)

22” alloy wheels, 265/50R22 (Sports Luxury)

Spare Full-size

 

Lexus GX 550 quick model details notes

1 Manufacturer’s list price provided for media purposes only. Statutory charges or other on-road costs not included. On-road costs vary from State to State and can be found by contacting the relevant government authority. Optional colours or features at additional cost.
2 Weights/mass/volumes/dimensions are approximate and subject to individual vehicle variances, and should be confirmed before fitting any accessories, towing or otherwise relying on this value.
3 Product & company names are trademarks of their respective owners.
4 CarPlay® is a trademark of Apple, Inc. registered in the U.S. and other countries.
5 Android Auto™ is a trademark of Google LLC.
6 Only Qi-supported devices compatible. Refer to device manufacturer. May require additional purchase of accessory to support wireless charging.
7 Not available outside Australia, if services disabled or terminated or after 2033/Telstra 4G sunset (whichever comes first). Dependent on 3G/4G enabled DCM, GPS signal strength, mobile network coverage and other factors outside Lexus’s control which can limit ability or functionality of system. Check your Owner’s Manual or lexus.com.au/connectivity for explanation of limitations. Please drive safely.
8 Driver assist feature. Only operates under certain conditions. Check your Owner’s Manual for explanation of limitations. Please drive safely.

Yet more notes FOR GX 550

9 Lexus Encore Member Benefits apply on all eligible new and demonstrator Lexus vehicles, for a 36-month period from the date Encore is first activated by the Dealership. Inclusions may change. Subject to availability. For full T&Cs and eligible models, see your Lexus Dealer or lexus.com.au/encore.
10 DriveCare as part of Encore Benefits applies for a 3 year period on GX from the date Encore is first activated by the Dealership. Coverage and service inclusions vary dependent on vehicle location. For full T&Cs see your Lexus Dealer or lexus.com.au/smallprint/encore-terms.
11 Offer limited to 5c/litre fuel discount in one transaction per 24 hour period per vehicle registered to a Lexus App account. Offer available on Premium Fuels, up to 150 litres, at participating Ampol service stations. List of participating locations available at lexus.com.au/owners/ampol-finder. List subject to change without notice at sole discretion of Ampol. For T&Cs, visit Lexus.com.au/Encore.
12 Encore Elevate Member Benefits can be purchased by all Lexus Vehicle Owners, for a 12-month period from the date Encore Elevate is first purchased and activated by the Lexus Vehicle Owner. Inclusions may change without notice. Subject to availability. For full T&Cs and eligible models, see your Lexus Dealer or 
lexus.com.au/encore.

And even more notes 

13 Lexus on Demand as part of Encore Member Benefits applies for a 3 year period with a varying number of redemptions depending on the type of Encore Membership. Vehicles may vary dependent on location and availability. For full T&C’s, details & eligibility requirements see your Lexus Dealer or lexus.com.au/Encore
14 Towing capacity subject to regulatory requirements, and vehicle & equipment design limitations. Ask your Lexus dealer for more information, including Lexus Genuine Towbar capacity and availability.
15 New Vehicle Warranty is for 5 years from date of first delivery (unlimited kms). Commercial use vehicles are 5 years from date of first registration or 160,000km (whichever occurs first). See lexus.com.au/owners/warranty or your vehicle’s Warranty and Service Book for T&Cs. This warranty does not limit and may not necessarily exceed your rights under the Australian Consumer Law.
16 Max price quoted is model specific. Applies to standard scheduled logbook servicing (normal operating conditions) 5 years/100,000 kms for GX models (whichever occurs first). Lexus vehicles that receive complimentary servicing are not eligible for Capped Price Servicing. For details or to confirm eligibility see your Lexus dealer or visit lexus.com.au/smallprint/capped-price-servicing.
17 Lexus Australia reserves the right to vary or discontinue the current interior and exterior colours, trims and colour/trim/model combinations. Colours and trims displayed are a guide only and may vary from actual colours due to printing/display process. See your Lexus dealer to confirm availability when ordering your vehicle.

Lexus GX 550 Models notes

1 Product & company names are trademarks of their respective owners.
2 Lexus Australia reserves the right to vary or discontinue the current interior and exterior colours, trims and colour/trim/model combinations. Colours and trims displayed are a guide only and may vary from actual colours due to printing/display process. See your Lexus dealer to confirm availability when ordering your vehicle.
3 Driver assist feature. Only operates under certain conditions. Check your owner’s manual for explanation of limitations. Please drive safely.
4 Coverage varies based on vehicle location.
5 Coverage dependent on vehicle location.
6 CarPlay® is a trademark of Apple, Inc. registered in the U.S. and other countries.
7 Android Auto™ is a trademark of Google LLC.
8 Speak to your dealer about device compatibility.
9 Only Qi-supported devices compatible. Refer to device manufacturer. May require additional purchase of accessory to support wireless charging.
10 Not available outside Australia, if services disabled or terminated or after 2033/Telstra 4G sunset (whichever comes first). Dependent on 3G/4G enabled DCM, GPS signal strength, mobile network coverage and other factors outside Lexus’s control which can limit ability or functionality of system. Check your Owner’s Manual or lexus.com.au/connectivity for explanation of limitations. Please drive safely.

Lexus GX 550 Exterior design notes

1 Weights/mass/volumes/dimensions are approximate and subject to individual vehicle variances, and should be confirmed before fitting any accessories, towing or otherwise relying on this value.
2 Driver assist feature. Only operates under certain conditions. Check your Owner’s Manual for explanation of limitations. Please drive safely.
3 Product & company names are trademarks of their respective owners.
4 Lexus Australia reserves the right to vary or discontinue the current interior and exterior colours, trims and colour/trim/model combinations. Colours and trims displayed are a guide only and may vary from actual colours due to printing/display process. See your Lexus dealer to confirm availability when ordering your vehicle.

Lexus GX 550 Interior notes

1 Driver assist feature. Only operates under certain conditions. Check your Owner’s Manual for explanation of limitations. Please drive safely.
2 Only Qi-supported devices compatible. Refer to device manufacturer. May require additional purchase of accessory to support wireless charging.
3 Lexus Australia reserves the right to vary or discontinue the current interior and exterior colours, trims and colour/trim/model combinations. Colours and trims displayed are a guide only and may vary from actual colours due to printing/display process. See your Lexus dealer to confirm availability when ordering your vehicle.
4 Product & company names are trademarks of their respective owners.
5 CarPlay® is a trademark of Apple, Inc. registered in the U.S. and other countries.
6 Android Auto™ is a trademark of Google LLC.
7 Weights/mass/volumes/dimensions are approximate and subject to individual vehicle variances, and should be confirmed before fitting any accessories, towing or otherwise relying on this value.

GX 550 Engine and drivetrain details notes

1 Results achieved for GX 550 Luxury with 10-speed transmission using 95 RON fuel in ADR81/02 combined drive cycle CO2 testing. Urban cycle results achieved 385g/km & extra urban cycle achieved 217g/km. Results produced in laboratory test conditions, using sample vehicles without fitment of accessories/customisation, & do not reflect real world driving. Figures should only be used for comparative purposes.
2 Results achieved for GX 550 Luxury with 10-speed transmission using 95 RON fuel in ADR81/02 combined drive cycle fuel consumption testing. Urban cycle results achieved 17L/100km & extra urban cycle achieved 9.5L/100km. Results produced in laboratory test conditions, using sample vehicles without fitment of accessories/customisation, & do not reflect real world driving. Figures should only be used for comparative purposes.
3 Towing capacity subject to regulatory requirements, and vehicle & equipment design limitations. Ask your dealer for more information, including Lexus Genuine Towbar capacity and availability.
4 Product & company names are trademarks of their respective owners.

Lexus GX 550 Architecture notes

1 Towing capacity subject to regulatory requirements, and vehicle & equipment design limitations. Ask your Lexus dealer for more information, including Lexus Genuine Towbar capacity and availability.

Lexus GX 550 Overtrail details notes

1 Driver assist feature. Only operates under certain conditions. Check your Owner’s Manual for explanation of limitations. Please drive safely.
2 Product & company names are trademarks of their respective owners.
3 Towing capacity subject to regulatory requirements, and vehicle & equipment design limitations. Ask your Lexus dealer for more information, including Lexus Genuine Towbar capacity and availability

The rest of the notes

1 Towing capacity subject to regulatory requirements, and vehicle & equipment design limitations. Ask your dealer for more information, including Lexus Genuine Towbar capacity and availability.
2 Lexus Encore Member Benefits apply on all eligible new and demonstrator Lexus vehicles. For a 36-month period from the date Encore is first activated by the Dealership. Inclusions may change. Subject to availability. For full T&Cs and eligible models, see your Lexus Dealer or lexus.com.au/encore.
3 DriveCare as part of Lexus Encore Member Benefits applies for the term of membership to Lexus Encore Program. With exceptions applying to certain vehicles, through complimentary DriveCare superseding the term of the Encore Membership. Coverage and service inclusions vary dependent on the type of vehicle and vehicle location. For full T&Cs see your Lexus Dealer or lexus.com.au/smallprint/encore-terms.
4 Offer limited to 5c/litre fuel discount. In one transaction per 24 hour period per vehicle registered to a Lexus App account. Offer available on Premium Fuels. Up to 150 litres, at participating Ampol service stations. List of participating locations available at lexus.com.au/owners/ampol-finder. List subject to change without notice at sole discretion of Ampol. For T&Cs, visit Lexus.com.au/Encore.

More notes – those pesky legal people 

5 Applies to GX standard scheduled logbook servicing (normal operating conditions) 5 years/100,000 km (whichever occurs first). Lexus vehicles that receive complimentary servicing are not eligible for Capped Price Servicing. For details or to confirm eligibility see your Lexus dealer or visit lexus.com.au/smallprint/capped-price-servicing.
6 New Vehicle Warranty is for 5 years from date of first delivery (unlimited kms). Commercial use vehicles are 5 years from date of first registration or 160,000km (whichever occurs first). See lexus.com.au/owners/warranty or your vehicle’s Warranty and Service Book for T&Cs. This warranty does not limit and may not necessarily exceed your rights under the Australian Consumer Law.
7 Not available outside Australia, if services disabled or terminated or after 2033/Telstra 4G sunset (whichever comes first). Check your Owner’s Manual or lexus.com.au/connectivity for explanation of limitations. Please drive safely.
8 Driver assist feature only. Not a substitute for safe driving practices. Not available outside Australia, if service disabled or terminated, or after 2033/Telstra 4G sunset (whichever comes first). Only activates if vehicle’s DCM detects airbag deployment or impact sensor notification.  Check your Owner’s Manual or lexus.com.au/connectivity for explanation of limitations. Please drive safely.

OMG even more notes 

9 Driver assist feature only. Not a substitute for safe driving practices. Not available outside Australia, if service disabled or terminated, or after 2033/Telstra 4G sunset (whichever comes first). The vehicle only operates if you press the SOS button and turn on the ignition. Dependent on 3G/4G enabled DCM, GPS signal strength. Mobile network coverage. Call centre capabilities and other factors outside Toyota’s control. Which can limit ability or functionality of system. Check your Owner’s Manual or Toyota.com.au/connected/ for explanation of limitations. Please drive safely.
10 Stolen Vehicle Tracking complimentary period ends 3 years from delivery date. Not available outside Australia, if service disabled or terminated, or after 2033/Telstra 4G sunset (whichever comes first). Owner/driver required to obtain Police report. Vehicle location information, if available, only provided to Police. Vehicle recovery not guaranteed. For details, visit 
https://www.lexus.com.au/connectivity/lexus-connected-services-faq

Is anyone actually reading these notes ?

11 Requires activated DCM (until the earlier of 2033 or Telstra 4G sunset).  compatible device, app installation/connection. third party info, mobile data. Australian network reception, GPS signal, enabled push notifications and other factors outside Lexus’ control. Which can limit functionality. Mobile usage at user’s cost. Features vary depending on vehicle model & subscription choice, and subject to change. For details see lexus.com.au/connectivity
12 Not available on all Connected Vehicle models. Please check lexus.com.au/connectivity to confirm availability. Drive Pulse measures harsh cornering. fast acceleration & harsh braking. and provides drive pulse score based on these factors. Drive Pulse process may take up to 24hrs (or longer) to appear in the Lexus Connected App. For more details, see lexus.com.au/connectivity.
13 Complimentary period ends 3 years from delivery date. See lexus.com.au/connectivity. Mobile usage at user’s cost. Features vary depending on vehicle model & subscription choice, and subject to change. For details see lexus.com.au/connectivity.
14 This distance is approximate only and may vary due to driver behaviour, vehicle load, vehicle usage and traffic conditions. Please drive responsibly.
15 Features depend on 

  • 3G/4G enabled DCM (availableuntiltheearlier of2033orTelstra 4Gsunset), 
  • third party information,
  • GPS signal strength,
  • Australian mobile network coverage,
  • compatible device,
  • mobile data (at user’s cost) and other factors outside Lexus’ control . Which can limit functionality of system and may be subject to change. See your Owner’s Manual or lexus.com.au/connectivity. Please drive safely.

Lexus GX 550 Specifications Notes

Weights/mass/volumes/dimensions are approximate and subject to individual vehicle variances.

2 Dimensions are approximate and are subject to individual vehicle variances, accessory fitment and weight carried.
3 Towing capacity subject to regulatory requirements, and vehicle & equipment design limitations. Ask your dealer for more information, including Lexus Genuine Towbar capacity and availability.
4 Results achieved for GX 550 automatic SUV petrol in ADR81/02 combined drive cycle fuel consumption testing. Urban cycle results achieved 17.0L/100km & extra urban cycle achieved 9.5L/100km. Results produced in laboratory test conditions. Using sample vehicles without fitment of accessories/customisation. Figures do not reflect real world driving. .
5 Results achieved for GX 550 automatic SUV petrol in ADR81/02 combined drive cycle CO2 testing. Urban cycle results achieved 385g/km & extra urban cycle achieved 217g/ km. Results produced in laboratory test conditions. Using sample vehicles without fitment of accessories/customisation. Figures do not reflect real world driving. 

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