Lexus keeps it simple in the powertrain department. The only available engine is a 4.6-liter V8, which produces 301 horsepower and 329 pound-feet of torque, and is coupled to a six-speed automatic transmission.
On the road, the GX 460 was a throwback to a different generation of SUVs—but not in a good way. The V8 engine had plenty of grunt when moving away from a stop, (zero to 60 mph takes 7.8 seconds, per Lexus) and a nice NASCAR bellow at wide-open throttle. However, the GX’s 5,130 pounds made their presence felt at higher speeds. Despite the eight-cylinder engine, merging and overtaking maneuvers had to be carefully planned.
Similarly, bringing this SUV to a stop required a little more advanced planning than the average modern vehicle. In corners, low grip and body roll were the order of the day. Ride quality was typical of a body-on-frame vehicle, meaning it wasn’t very good. While our Premium test car lacked the adaptive suspension that comes with the Luxury trim level, it’s still hard to totally civilize the ride when the body and frame are separate pieces. That’s why most other SUVs now feature unibody construction.
This was once typical of the SUV driving experience, but newer models are expected to handle, accelerate, and brake like regular cars, despite their added weight and higher centers of gravity. The GX doesn’t pretend to be anything other than a traditional SUV and needs to be driven accordingly.
However, most other modern SUVs can’t match the GX 460 in off-road capability. The GX is equipped with a Torsen center differential that normally splits torque 40/60 front to rear, but can also be fully locked for a 50/50 front/rear torque split. The standard 4WD system also has a low range for crawling along on off-road trails, and the GX sports several driver aids, including hill-descent control and hill-start assist.
An optional Off-Road Package for the Luxury trim level adds a transmission cooler, fuel-tank protector, multi-view camera system (handy for spotting obstacles on tight trails), Crawl Control (holds a set speed on unpaved surfaces), and Multi-Terrain Select. This includes drive modes for different surfaces, such as rocks, sand, and moguls.
Lexus quotes a respectable 8.1 inches of ground clearance, and approach, departure, and break-over angles of 21 degrees, 23 degrees, and 21 degrees, respectively. However, the Land Rover Discovery beats the Lexus in most of those metrics, in part because it’s available with air suspension that can raise the ride height for off-roading.
The GX 460 has a maximum towing capacity of 6,500 pounds (when properly equipped), and the stability control includes a trailer-sway control function.