Receiving a substantial amount of changes for 2011, the 2012 GMC Sierra 3500HD maintains an equally powerful presence this year. Presenting a wide range of configurations that includes single or dual rear wheel versions, Regular, Extended and Crew Cab models of the 2012 Sierra 3500HD seats between 2 to 6 passengers. Beyond physical characteristics, the 2012 GMC Sierra 3500HD trim level range features Work Truck, SLE, SLT and Denali models of the full-sized pickup truck. Purposefully spartan, the Work Truck model includes air conditioning, tilt steering column and dual 12-volt power outlets. OnStar with Turn-by-Turn Navigation, XM satellite radio as well as power windows and door locks are added to the SLE or SLT versions of the 2012 GMC Sierra 3500HD. Heavy-duty work vehicle capacity still present, the 2012 Sierra 3500HD Denali edition adds special premium details. Leather 12-way power front seating, Bose audio system, adjustable drive pedals and a unique-looking grille is found with the Denali trim. Utilizing a 6-speed automatic transmission, two engines are available on the 2012 GMC Sierra 3500HD. Standard power for the one-ton pickup truck is delivered by a 6-liter V-8 engine producing 360 horsepower. For 765 pound-feet of torque, the optional Duramax 6.6 liter turbo-diesel V-8 allows up to 21,700 pounds of towing capacity.

Select a 2012 GMC Sierra 3500HD model/trim

2012 GMC Sierra 3500HD 2WD Crew Cab 153.7" SRW Work Truck

2012 GMC Sierra 3500HD 2WD Crew Cab 167.7" SLT

2012 GMC Sierra 3500HD 2WD Crew Cab 167.7" Work Truck

2012 GMC Sierra 3500HD 4WD Crew Cab 153.7" SRW Denali

2012 GMC Sierra 3500HD 4WD Crew Cab 153.7" SRW SLE

2012 GMC Sierra 3500HD 4WD Ext Cab 158.2" SLT