GMC Sierra All Terrain HD Concept - Detroit Auto Show 2011 Live Photos and Video

General Motors delivers a video dedicated to his pickup Sierra All Terrain HD, introduced last Monday to the Detroit auto show. The prototype is scrutinized-engine, transmission, suspension, everything going on (see video below).

For the record, the Sierra All Terrain HD is a shorter version, wider and taller GMC Sierra standard. General Motors announced a capacity of 1,225 kg and a towing capacity of 5,896 kg ... a real monster!

Under the hood sits a 6.6 liter V8 engine Duramax turbo diesel develops a whopping 397 horsepower for a maximum torque of 1037 Nm.