Guide and Manual

2014 GMC Sierra 2500 Service/Owner manual - GMC Sierra 2500HD Now added in regular cab design, extended or crew, with a long or short wheelbase, and with rear-or four-wheel drive. Body style extended and crew cab is offered in four trim levels: Work Truck, SLE, SLT and top-of-the-line Denali. Regular cabin can only have the Work Truck and SLE trim. Moving up through the ranks definitely add more style and features, culminating in a top-shelf Denali.

In a recent comparison test, GM's heavy-duty trucks came out on top thanks to a superior all-around The. Although multigenerational brand loyalty can dictate what heavy duty pickup that you take it home, stick with (or switching to) GMC Sierra 2500HD will be a solid decision.

Standard on all Sierra 2500HD pickups is a 6.0-liter V8 that makes 360 horsepower and 380 pound-feet of torque, paired with a six-speed with A/T. Burly Duramax 6.6-liter turbodiesel V8 that puts 397 hp and 765 pounds-ft of torque is optional. Its standard six-speed Allison automatic suited for towing and hauling large loads.