Capability
GMC Sierra 2500 HD trucks are ready for anything with a standard fully-boxed frame, Trailering Package, and automatic locking rear differential. GMC Sierra 2500 HD trucks deliver up to 22,390 pounds of maximum towing capacity with the available Duramax® 6.6-liter Turbo-Diesel V8 to help you haul cars, boats, or animals. For carrying heavy gear or dirtbikes, the GMC Sierra 2500 HD provides up to 4,081 pounds of maximum payload capacity with the standard 6.6-liter Gas V8.
Most GMC Sierra 2500 HD trucks are available with four-wheel drive. Models like the AT4 deliver enhanced protection with 10.1 inches of ground clearance. In comparison, the GMC Sierra 2500 HD AT4X has 11.6 inches of ground clearance and 35-inch all-terrain tires. Plus, the available AT4X AEV® Edition adds stamped-steel bumpers and skid plates, 18-inch AEV® wheels, and other exclusive accessories.