We are your Premier GM Dealer with hundreds to choose from. Professional Grade is aiming squarely between Ford's and Dodges eyes with the beefed-up, powered-up 2011 GMC Sierra 2500HD full-size pickup. Legendary, not to mention class-leading towing capacities and superb off-road performance. Standard power for the 2011 Sierra 2500HD lineup comes from a 6.6-liter turbo-diesel engine! This combo manages to throw down 360 hp and 380 lb-ft of torque, can haul up to 14,500 pounds of trailer and 5,700 pounds of payload, and comes with standard auxiliary engine and transmission-fluid cooling. This SLT trim, comes with leather seating and more. Take a look at our photos and see exactly what GMC did with this truck.In addition to its size and heft, the 2011 Sierra 2500HD carries such standard safety equipment as bulked-up four-wheel disc ABS, traction and stability control, daytime running lights, and a post-collision safety system. Looks Great - Rugged build, quiet, quality interior, and a strong V8 are why most owners picked the Sierra 2500HD over the Fords and Dodges of the world. Print this page and call us Now... We Know You Will Enjoy Your Test Drive Towards Ownership!