Measured owner satisfaction with 2012 GMC Sierra 2500HD after 90-days of ownership.
The vehicle's audio system
Smoothness of vehicle's ride
Owners Don't Like
The problems experienced by owners of the 2012 GMC Sierra 2500HD during the first 90-days of ownership.
Interior storage spaces
Comfort of the 2nd row seats
Quality of the interior materials
322 - 397
6 speed, HD Automatic
4-Wheel Drive, Rear Wheel Drive
2012 GMC Sierra 2500HD Review
A big-time example of engineering excellence with no compromise. Here comes the 2012 Sierra Heavy Duties. Rebuilt from the ground up to provide excellent tailoring and payload. The Sierra HD is known for getting the toughest jobs accomplished. It has a new high-strength fully boxed steel frame robust independent front suspension and asymmetrical rear lead spring suspension. An available Allison 1000 six-speed automatic transmission coupled with the new Duramax Diesel 6.6L delivers segment leading power with 397 horsepower and 765 lb. ft of torque. GMC has extended it’s exclusive Denali line to the sierra heavy Duty lineup – a HD offering of Denali’s unique combination of distinctive style premium features and capability. Choose the best in technology with available XM NavTraffic – a GPS Navigation system with real-time traffic data and construction and accident updates. XM Radio USB connectivity and an available Bose premium speaker system with a sub-woofer in the center console let you personalize your driving experience. Professional Grade. No Compromise. The 2012 Sierra Heavy Duty.