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Lexus GX 550 (2024–present)

The 2024 Lexus GX 550 represents a complete redesign of Lexus's premium off-road SUV. Replacing the long-running GX 460, this model shifts to a twin-turbo V6 platform shared with Toyota's truck lineup. Built on the TNGA-F body-on-frame architecture, it's engineered for both urban luxury and serious off-road capability. CARFIX is preparing comprehensive parts coverage for this next-generation premium SUV.

Parts for the Lexus GX 550

Known issues

Potential early production electronic integration challenges. Transmission control module (TCM) calibration may require updates. Possible software refinements needed for twin-turbo V6 powertrain. Complex multi-terrain drive mode system might need initial calibration adjustments. Adaptive suspension components may require precise initial setup.

WOF tips

No specific WOF concerns anticipated beyond standard modern vehicle safety inspections. Electronic stability control, ABS, and advanced driver assistance systems will be closely examined. Aftermarket modifications to suspension or drivetrain could complicate WOF certification. Ensure all manufacturer-specified safety systems remain fully operational.

About the Lexus GX 550

<p>The new GX 550 marks a significant departure from its predecessor. Unlike the outgoing V8-powered GX 460, this generation uses a 3.4L twin-turbo V6 with substantially more power and improved efficiency. Available in multiple trim levels — from the base model to the Luxury and off-road-focused Overtrail variants — it's designed to compete with the Range Rover Sport and Mercedes-Benz GLE.</p><p><strong>Powertrain Highlights:</strong> The 3.4L twin-turbo V6 produces approximately 349hp and 479 lb-ft of torque, a significant upgrade from the previous V8. Paired with a 10-speed automatic transmission and available full-time four-wheel drive with a Torsen limited-slip center differential. Early technical briefings suggest improved fuel economy: estimated 17 city/22 highway MPG (US spec, NZ figures will vary).</p><p><strong>Chassis and Suspension:</strong> Lexus has implemented a sophisticated multi-link rear suspension with adaptive dampers. The Overtrail variant gets additional off-road hardware: increased ground clearance, front and rear electronic locking differentials, and a sophisticated multi-terrain select system. Preliminary specs suggest approach angle of 26 degrees, departure angle of 24 degrees — competitive with serious off-road SUVs.</p><p><strong>Potential Early Concerns:</strong> As with any new model generation, early production vehicles might exhibit electronic integration issues. The complex multi-module CAN bus system controlling the twin-turbo powertrain, adaptive suspension, and extensive driver assistance features creates potential complexity. Areas to monitor: transmission shift logic, four-wheel drive system calibration, and potential software updates addressing initial drivetrain refinement.</p><p><strong>Electronic Systems:</strong> Lexus has significantly upgraded the onboard technology. A 14-inch central touchscreen runs the latest Toyota/Lexus infotainment system. Expect advanced driver assistance features including adaptive cruise control, lane keeping assist, and a 360-degree camera system. The electrical architecture is significantly more complex than the previous generation.</p>

Questions owners ask

What kind of engine does the 2024 onwards Lexus GX have, and what's the power like?
The 2024 onwards Lexus GX (GX 550) moves away from the previous V8. It now features a 3.4L twin-turbo V6 engine producing around 349 horsepower and 479 lb-ft of torque. This is paired with a 10-speed automatic transmission.
Are there any common problems I should watch out for with a new 2024 Lexus GX?
As a new model, the 2024 Lexus GX (GX 550) might have some early electronic integration issues. Keep an eye on the transmission shift logic and the four-wheel drive system calibration. Software updates might be needed to refine the twin-turbo V6 powertrain. Also, the adaptive suspension components may require precise initial setup.
What kind of fuel economy can I expect from the new GX 550?
While NZ figures will vary, preliminary US specs suggest around 17 MPG in the city and 22 MPG on the highway. This is an estimate for the 3.4L twin-turbo V6 engine. Expect real-world figures to depend on driving style and conditions.
What should I check on my Lexus GX (2024 onwards) to pass a WOF in New Zealand?
During a WOF inspection, the electronic stability control, ABS, and advanced driver assistance systems will be closely examined. Ensure these systems are fully operational. Any aftermarket modifications to the suspension or drivetrain could also complicate the WOF certification. The multi-terrain select system should also be functioning correctly.
Is the new Lexus GX any good off-road?
The Lexus GX 550, especially the Overtrail variant, is designed for off-road use. It has increased ground clearance, front and rear electronic locking differentials, and a multi-terrain select system. The approach angle is around 26 degrees, and the departure angle is around 24 degrees.
Where can I get an oil filter for my 2024 onwards Lexus GX in NZ?
CARFIX stocks 83 SKUs for the Lexus GX 2024–2999. You can find the correct OIL FILTER for your 3.4L twin-turbo V6 engine on the CARFIX website or in-store.
What kind of technology does the 2024 Lexus GX have?
The 2024 Lexus GX (GX 550) features a 14-inch central touchscreen with the latest Toyota/Lexus infotainment system. It also includes advanced driver assistance features like adaptive cruise control, lane keeping assist, and a 360-degree camera system.