- 2011 GMC Sierra 2500HD VIN 1GT02ZCG0BF133171 - New GMC for sale from Classic Buick Oldsmobile Pontiac GMC by EveryCarListed.com This 2011 GMC Sierra 2500HD WT that we have at, CLASSIC BUICK-OLDSMOBILE-PONTIAC-GMC is a must see. This Sierra 2500HD has a 6.0 liter 8 cylinder 16 valve engine and a 6-Speed Automatic that are ready to haul up to 3580 pounds. It comes with an AM/FM stereo, and gives you peace of mind with its safety features, including Braking Assist and more. We would love to talk to you more about this Sierra 2500HD. Please contact us for more information.