See also:

2011 GMC Sierra 2500HD Review
The "professional grade" brand unveiled the 2011 GMC Sierra Heavy Duty lineup at the 2010 NTEA Work Truck Show. Most of the technical specifications of GM's HD pickups are identical, but ...

Buying New Tires
GM has developed and matched specific tires for the vehicle. The original equipment tires installed were designed to meet General Motors Tire Performance Criteria Specification (TPC Spec) system ratin ...

Removing and Replacing the Floor Mat
The driver side floor mat is held in place by two retainers. 1. Pull up on the rear of the floor mat to unlock each retainer and remove. 2. Reinstall by lining up the floor mat retainer openings o ...