2011 GMC Sierra Denali HD

“GMC has been one of the industry’s strongest truck brands for more than 100 years, and we back the 2011 Sierra HDs with a comprehensive five-year/100,000-mile powertrain warranty that provides the best coverage in America,” said Hutchinson. “From the segment-best diesel power to the segment-best warranty, these trucks deliver strength and peace of mind on all fronts.”

Following are details of the new and redesigned product features of the Sierra Denali HD and the other Sierra 2500HD and 3500HD models.

The Sierra HD lineup brings greater capability.

The details: Depending on the model, Sierra HD models offer:

* Increased fifth-wheel towing capacity of 20,000 pounds (9,072 kg)
* Conventional towing capacity increases up to 23 percent, with a maximum of 16,000 pounds (7,272 kg)
* Improved payload capability of 6,335 pounds (2,873 kg) on a complete vehicle
* Gross Combined Weight Rating increases to 27,500 pounds (12,500 kg)
* Gross Vehicle Weight Ratings increases up to 17 percent to 13,000 pounds (5,909 kg)
* Front Axle Weight Rating increases by up to 25 percent to 6,000 pounds (2,721 kg)
* Snow plow capability for all 4WD cab configurations.