While mechanically identical to the Chevrolet Silverado heavy-duty models, GMC positions the Sierra to appeal to a more upscale customer. There's a little more flash on the outside and a little more elegance on the inside.The GMC Sierra was redesigned from the ground up in 2007 using proven powertrains. The 2009 model year brings minor refinements, a few additions,The pure pickup interior includes a 40/20/40 split front bench seat with the center section folding down to provide a large storage compartment and wide armrest. This is prestine condition and will go fast. For more information, please call Lori at Jim Douglas Sales and Service or on my cell at 989-907-9053.