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*Based on model year EPA mileage ratings. Use for comparison purposes only. Your atual mileage will vary, depending on how you drive and maintain your vehicle, driving conditions, battery pack age/condition (hybrid only) and other factors.
VIEW OUR INVENTORYSuperior heavy-duty towing and hauling capability; class-leading design; powerful engine lineup; wide variety of configurations; available 4-wheel drive
For 2011, the Sierra HD line gets several updates, including greater towing and payload capacities as well as an all-new chassis. A new front bumper and grille have also been fitted. New 18- and 20-inch wheels are available on single rear wheel models. The base 6.0L V8 returns largely unchanged, while the 6.6L Duramax diesel now delivers 397 horsepower and an impressive 765 pound-feet of torque. 3500 models are rated to tow up to 20,000 pounds and have a payload capacity of just over 6,300 pounds--all while delivering an 11 percent increase in fuel efficiency. Both the 2500 and 3500 are still available in a multitude of configurations to suit every work or play application imaginable.
