GMC Sierra All Terrain HD Concept at Detroit 2011

Complete photo gallery on Auto123.com : http://123.ly/fY0BgF - With several world premieres and unveilings, the Detroit Auto Show gave us the opportunity to take a look at the the GMC Sierra All Terrain HD Concept. The super sized truck will be the Ford SVT Raptor's closest competitor and comes equipped with the new 6.6-litre Duramax Diesel engine producing 397 horsepower and 765 pound-feet of torque mated to an Allison 1000 six-speed automatic transmission.

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GMC Sierra All Terrain HD Concept revealed
GMC has unveiled the Sierra All Terrain HD concept, ahead of its debut at the North American International Auto Show. Designed to be one of the most capable trucks ever created, the All Terrian is a Sierra HD on steroids. Compared to the standard model, the concept is shorter, wider, and taller. Furthermore, it has been equipped custom control arms, Fox off-road shocks, front/rear jounce shocks, automatic locking differentials, and a beefy front stabilizer bar with electric disconnection. In terms of styling, the concept features a massive grille, bulging fender flares, LED lights and 20-inch aluminum wheels with 35-inch BFGoodrich KM2 tires. Out back, the bed has a composite liner and two compartments which house an air compressor and a 110-volt outlet. While no interior pictures were released, GM says the cabin has two-tone leather seats, satin chrome trim, and a next-generation navigation system with an 80 GB hard drive. Power is provided by a Duramax 6.6-liter V8 diesel engine with 397 hp (296 kW) and 765 lb-ft (1,037 Nm) of torque. Performance specifications weren't released, but GM estimates the All Terrain would have a payload capacity of 2,700 pounds (1,225 kg) and a towing capacity of 13,000 pounds (5,896 kg).




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