What engine will be in the 2024 Lexus GX?
The 2024 Lexus GX is powered by a 3.4-liter twin-turbo V6 engine delivering 349 horsepower and about 430 lb-ft of torque.
This marks a major engine upgrade for the GX, replacing the previous generation's V8 and bringing modern turbocharging to Lexus’s luxury SUV with an emphasis on strong low-end torque, on-road refinement, and capable off-road performance.
Engine layout and core specifications
Key engine specifications for the 2024 GX are:
- Displacement: 3.4-liter V6
- Configuration: Twin-turbocharged gasoline V6
- Peak power: 349 hp
- Peak torque: 430 lb-ft
- Transmission: 8-speed automatic
- Drivetrain: On-demand all-wheel drive with variable torque distribution
These figures indicate a balance of strong mid-range torque and smooth, refined highway performance, while preserving the vehicle’s rugged off-road capability.
Performance and driving experience
The turbocharged V6 is paired with an adaptive suspension and an efficient AWD system to deliver confident on-road acceleration and effective off-road traction, typical of the GX’s luxury-utility blend.
Off-road capabilities and tuning
In off-road mode, the powertrain optimizes torque delivery for climbs, descents, and rocky terrain, with driver-assist features such as crawl control and multi-terrain select aiding traction on challenging surfaces.
Efficiency and real-world numbers
Compared with the previous generation’s V8, the 3.4-liter twin-turbo V6 offers competitive fuel economy for a mid-size SUV and better overall efficiency in typical driving scenarios, though actual mpg will vary with trim, tires, and load.
Summary
The 2024 Lexus GX consolidates a 3.4-liter twin-turbo V6 producing 349 hp and 430 lb-ft of torque, paired with an 8-speed automatic transmission and all-wheel drive. It signals Lexus’s pivot toward turbocharged power while maintaining the GX’s luxury feel and off-road capability.
What engine is in the 2025 Lexus GX?
The 2025 Lexus GX is powered by a 3.4L twin-turbo V6 engine, which produces 349 horsepower and 479 lb-ft of torque. This engine is paired with a 10-speed automatic transmission and a full-time four-wheel drive system.
- Engine: 3.4L V6 twin-turbocharged
- Horsepower: 349 hp
- Torque: 479 lb-ft
- Transmission: 10-speed automatic
- Drivetrain: Full-time four-wheel drive
What engine will the 2024 Lexus GX have?
The 2024 Lexus GX is powered by a 3.4-liter twin-turbo V6 engine that produces 349 horsepower and 479 lb-ft of torque. This engine is paired with a 10-speed automatic transmission and comes standard with full-time four-wheel drive.
This video explains the engine options for the new Lexus GX: 54sOff the Shelf RidesYouTube · Nov 13, 2025
- Engine: 3.4L Twin-Turbo V6
- Horsepower: 349 hp
- Torque: 479 lb-ft
- Transmission: 10-speed automatic
- Drivetrain: Full-time 4WD
Does the Lexus GX 550 have the same engine as the Tundra?
Yes, the 2025 Lexus GX 550 uses the same base twin-turbo 3.4-liter V6 engine as the Toyota Tundra, but the tuning and performance are adjusted for their different purposes. The engine in the Tundra is designed for heavy-duty truck use, while the GX 550 version is optimized for a smoother off-road performance, resulting in slightly different horsepower, torque, and other specifications.
You can watch this video to learn about the engine similarities and differences between the Lexus GX 550 and the Toyota Tundra: 1mTRD JONYouTube · Oct 17, 2025
Engine similarities and differences
- Shared foundation: Both vehicles utilize the same twin-turbo V6 engine block, often referred to as the "i-FORCE" V6 in the Tundra.
- Different tuning: The engine's calibration is adjusted for each vehicle. For example, the Tundra often has more power, while the GX 550 prioritizes smooth, off-road performance.
- Performance variations: The performance output varies between the two. For instance, a non-hybrid Tundra has an i-FORCE V6 that produces 389 horsepower and 479 lb-ft of torque, while the GX 550 produces 349 hp and 479 lb-ft of torque.
- Hybrid options: Both vehicles also offer a hybrid version of the same engine, called the i-FORCE MAX, though their specifications and fuel economy differ.
This video explains the differences between the hybrid and non-hybrid powertrains: 54sNorth of the Wall GarageYouTube · Jul 7, 2025
Is the GX550 bigger than a 4Runner?
How big is the Lexus GX 550 compared to the Toyota 4Runner? The Lexus GX 550 is undoubtedly the larger vehicle compared to the Toyota 4Runner, boasting a 197-inch length vs. the 194.9-inch length of the Toyota SUV and offering additional width and height across trim levels.
