2011 GMC Sierra All Terrain HD Concept

GMC today announces the new 2011 Sierra Denali HD, the first offering of the exclusive Denali line on a heavy-duty GMC pickup. The Sierra Denali HD leads a comprehensively redesigned lineup of 2011 Sierra 2500HD and 3500HD trucks that go on sale in early summer – including the most powerful diesel engine in the segment.Sierra HD’s new 6.6L Duramax turbo diesel delivers 397 horsepower (296 kW) at

2009 GMC Sierra Hybrid Wallpapers

2009 GMC Sierra Hybrid Car Show2009 GMC Sierra Hybrid 2009 GMC Sierra Hybrid Interior2009 GMC Sierra Hybrid Image2009 GMC Sierra Hybrid Dash2009 GMC Sierra Hybrid Truck2009 GMC Sierra Hybrid Wallpaper