With a conventional towing capacity2 up to 18,000 lbs. and max payload3 ratings up to 7,222 lbs., Sierra Heavy Duty Trucks are the definition of Professional Grade. Both the Sierra 2500HD and Sierra 3500HD are offered in regular-cab, extended-cab and crew-cab styles, as a 2WD truck or 4WD truck, or the added luxury of the iconic Denali fit and finish.
2. Maximum trailer ratings are calculated assuming standard equipped vehicle, driver and required trailering equipment. The weight of optional equipment, passengers and cargo will reduce the maximum trailer weight your vehicle can tow. 10 to 15% of the trailer weight is the recommended trailer tongue load.
3. Maximum payload capacity includes weight of driver, passengers, optional equipment, and cargo.