Toyota engineers are putting the final engineering touches on their revamped 2010 Lexus GX 460 with a jaunt out into the California desert for some hot-weather durability tests. Last week Lexus confirmed that the redesigned GX would debut next month in Shanghai and hit U.S. dealers in December.
The GX is expected to pick up Toyota’s new 4.6-liter V8 (hence the name change to “Lexus GX 460”), which is rated at 310 hp and 327 lb-ft of torque in the full-size Tundra and Sequoia. It should be rated similarly in the GX 460, providing a healthy hp increase over the 263-hp 4.7-liter V8 in the 2009 GX 470. A switch to a 6-speed automatic should improve fuel economy, too.
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