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Pics Aplenty: GMC Sierra All Terrain HD Concept is ready to play dirty

by Steven J. Ewing (RSS feed) on Jan 7th, 2011 at 7:24PM

Cars are cool, but we certainly love ourselves some big, bad, hardcore pickups – you know, like the Ford F-150 SVT Raptor. General Motors' conceptual answer to Ford's desert-blasting pickup is this, the Sierra All Terrain HD concept, which we'll be seeing for the first time at the Detroit Auto Show next week. GMC's brutish pickup relies on The General's 6.6-liter Duramax diesel V8 for power – 397 horsepower and 765 pound-feet of torque, to be exact – and higher ground clearance, a wider stance and serious suspension upgrades make the All Terrain concept capable of... Read More

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