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Report: GMC Sierra HD concept coming to Detroit

by Chris Shunk (RSS feed) on Nov 19th, 2010 at 3:59PM

General Motors' heavy-duty truck twins – the GMC Sierra HD and Chevrolet Silverado HD – were reworked for 2011 with the addition of an all-new chassis and an upgraded 6.6-liter Duramax diesel engine. But while the capable trucks' guts were given a transplant, the vehicle's blue-collar exterior and aging interior were left unchanged. With Ford and Ram updating the look and feel of their heavy duty pickups over the past year, we're thinking GM won't stand idly by forever, and we may have a peak at the next Sierra sooner than you think. Our friends over at are... Read More

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