Sierra 2500HD SLE Z71, 4D Extended Cab, Vortec 6.0L V8 SFI VVT, Automatic, and 4WD. Flex Fuel! Extended Cab! Free Car Fax with Every vehicle we have listed. Just find the link on the vehicle display page, click it and get your free copy. How would you like cruising home in this stunning 2011 GMC Sierra 2500HD at a price like this? This 2500HD marked the 5th year of a highly-praised revision that included a gorgeous exterior restyling, vastly improved interior quality, a roomier cabin, higher maximum towing and payload capacity and improved gas mileage. In addition to added front-seat legroom, headroom and hip room, GMC made the interiors seem roomier by moving the dashboards down and forward a few inches. New Car Test Drive said, ...If you want the capability of a big pickup with the least sensation of driving a big pickup, the Sierra HD deserves consideration. In a world run amuck for ever-larger trailers and po