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| GMC Sierra All-Terrain HD Concept |
GMC Sierra
GMC Sierra All-Terrain 2500 HD Concept
Despite everything you've read, there is still a market for big, expensive lifestyle pickup trucks. So GMC is tackling the Ford SVT Raptor/ Dodge Power Wagon market with its own kind of executive off-roader, the Sierra All Terrain Concept. Unlike the Raptor, it's based on the Sierra 2500 HD. And keep in mind that at this point, it's only a concept. In fact, just as the Ford Super Chief concept hinted about the look of the latest F-150, the Sierra All Terrain hints at the next 1500 Sierra, due in the '13 model year.
The concept features a 39-degree approach angle and 31 degree departure angle. Built on an '11 Sierra 2500 crew cab body, with a 1500's five-foot, eight-inch box, the concept has a stock Duramax turbodiesel, making 390 horsepower and 745 pound-feet, like the production engine. Transmission also is stock, the Allison six-speed automatic. Thanks to the non-stock box/body combo, the concept's wheelbase is 149 inches, two inches shorter than a Sierra 2500 Crew Cab.
