2015 GMC Sierra Denali HD Unveiled In Texas

General Motors President North America Mark Reuss introduces the 2015 GMC Sierra Denali HD Thursday, September 26, 2013 at the State Fair of Texas in Dallas, Texas. The 2015 Sierra Denali HD features new cab body styles, technology-infused interiors, and segment-leading capabilities across the range including the highest payload – 7,374 pounds – and the highest conventional trailering rating – 19,600 pounds. (Photo by Mike Stone for GMC)