GMC Sierra All Terrain concept HD uses diesel engine a 6.6-liter V8-General’s Duramax. A six-speed automatic sends 397 horsepower and 765 pound-feet of torque to all four wheels. Sierra HD versus normal, ground clearance has increased by approximately three inches, the width has been met up to 73 inches (more than the usual four) and the whole package rides on 20-inch aluminum wheels wrapped in 35-inch mud terrain KM2 BFGoodrich tires. Off-road performance is enhanced by the addition of Fox’s off-road shocks (such as Raptor Ford). Interior section GMC Sierra All Terrain HD with the concept of All Terrain with Denali-spec interior with an additional touch of satin metal and leather-wrapped dash. Moreover, next-generation stereo system with 80-GB hard drive has been installed within this concept, and we will soon see this new system on GM’s full product range.
Source: General Motors