The Next Generation 2020 GMC Sierra Heavy Duty offers proven power for your toughest tasks, with features like the world’s first MultiProTM tailgate that gives you amazing functionality, plus a maximum gooseneck trailering rating of up to 35,500 lbs.† There’s also the first-ever 10-speed Allison® transmission. All of which means, you’ll be ready to take on whatever your workday demands.
$35,600†
Starting MSRP
Available Max Horsepower
Available Max Trailering
Available Max Torque
General Motors Fleet vehicles offer a wide range of available advanced safety and driver assistance technologies† to help drivers avoid potential collisions.
5-Year/100,000-Mile Powertrain Limited Warranty for customers with a qualifying fleet account(s).†
Stay up to date on the GMC Sierra Heavy Duty and get special notices of upcoming innovations and opportunities.
Your safety is very important to us. If you want to determine whether or not there is a recall on your current vehicle or on a vehicle you are considering, visit www.nhtsa.gov/recalls or call (888) 327-4236.
Max Gooseneck towing for 3500 HD, Regular Cab, 2WD model with dual rear wheels and available Duramax Diesel engine. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner's Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Click here to see all vehicles' destination freight charges.
Cargo and load capacity limited by weight and distribution.
Requires Duramax® diesel engine, 4WD and 18 or 20 inch wheels. Gross Vehicle Weight Rating (GVWR). When properly equipped; includes weight of vehicle, passengers, cargo and equipment.
Requires 6.6L V8 Gas Engine, 2WD and available 18 or 20 inch wheels. These maximum payload ratings are intended for comparison purposes only. Before you buy a vehicle or use it to haul people or cargo, carefully review the Vehicle Loading section of the Owner’s Manual and check the carrying capacity of your specific vehicle on the label on the inside of the driver door jamb.
Requires Long Bed available Duramax® diesel engine, 4WD, and 18 or 20 inch wheels. Gross Vehicle Weight Rating (GVWR). When properly equipped; includes weight of vehicle, passengers, cargo and equipment.
Requires 6.6L V8 Gas Engine, Long Bed, 4WD and available 18 or 20 inch wheels. These maximum payload ratings are intended for comparison purposes only. Before you buy a vehicle or use it to haul people or cargo, carefully review the Vehicle Loading section of the Owner’s Manual and check the carrying capacity of your specific vehicle on the label on the inside of the driver door jamb.
Requires 6.6l V8 Gas Engine, Long Bed 4WD model with available 18-or 20-inch wheels. Gross Vehicle Weight Rating (GVWR). When properly equipped; includes weight of vehicle, passengers, cargo and equipment.
Requires Long Bed with available Duramax® diesel engine, 4WD and 18- or 20-inch wheels. These maximum payload ratings are intended for comparison purposes only. Before you buy a vehicle or use it to haul people or cargo, carefully review the Vehicle Loading section of the Owner’s Manual and check the carrying capacity of your specific vehicle on the label on the inside of the driver door jamb.
Requires Dual Rear Wheels. Gross Vehicle Weight Rating (GVWR). When properly equipped; includes weight of vehicle, passengers, cargo and equipment.
Requires 6.6L V8 Gas engine, 2WD and Dual Rear Wheels. These maximum payload ratings are intended for comparison purposes only. Before you buy a vehicle or use it to haul people or cargo, carefully review the Vehicle Loading section of the Owner’s Manual and check the carrying capacity of your specific vehicle on the label on the inside of the driver door jamb.
Requires Long Bed with Dual Rear Wheels. Gross Vehicle Weight Rating (GVWR). When properly equipped; includes weight of vehicle, passengers, cargo and equipment.
Requires Long Bed 2WD model with 6.6L V8 and Dual Rear Wheels. These maximum payload ratings are intended for comparison purposes only. Before you buy a vehicle or use it to haul people or cargo, carefully review the Vehicle Loading section of the Owner’s Manual and check the carrying capacity of your specific vehicle on the label on the inside of the driver door jamb.
Vehicle user interface is a product of Apple, and its terms and privacy statements apply. Requires compatible iPhone®, and data plan rates apply. Apple CarPlay® is a trademark of Apple Inc. Siri®, iPhone® and iTunes® are trademarks of Apple Inc., registered in the U.S. and other countries.
Vehicle user interface is a product of Google™ and its terms and privacy statements apply. Requires the Android Auto app on Google Play and a compatible smartphone running Android™ 5.0 or higher. Data plan rates apply. Android Auto is a trademark of Google LLC.
Front recovery hooks are for vehicle recovery only. To avoid the risk of injury, never use recovery hooks to tow a vehicle.
Functionality varies by model. Full functionality requires compatible Bluetooth® and smartphone, and USB connectivity for some devices.
Services subject to user terms and limitations. Certain services require working electrical system, cell reception and GPS signal. OnStar links to emergency services. Data plans offered by AT&T. See gmfleet.com/connectedservices for details. Availability subject to change
Service varies with conditions and location. Requires active service plan and paid AT&T data plan. See gmfleet.com/onstar-business-solutions for details and limitations.
Map coverage available in the United States, Puerto Rico and Canada.
Vehicles shown throughout with equipment from an independent supplier and are not covered by the GM New Vehicle Warranty. GM is not responsible for the safety or quality of independent supplier alterations.
Read the vehicle owner's manual for important safety or driver assistance feature limitations and information.
Read the vehicle owner's manual for important safety or driver assistance feature limitations and information.
A “Qualified Fleet User” is defined as a company which has (a) purchased or leased five (5) or more new cars and/or trucks (any combination of vehicle manufacturers) principally for business use in its operation within the last 12 months; (b) owns or leases five (5) or more medium duty trucks used in its company service; or (c) owns or leases fifteen (15) or more cars and trucks used in its company service.
Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the vehicles Owner’s Manual for more information.
The Bluetooth® word mark and logos are owned by the Bluetooth SIG, Inc., and any use of such marks by General Motors is under license. Other trademarks and trade names are those of their respective owners.
The system wirelessly charges one compatible mobile device. Some phones that have built-in wireless charging technology and others require a special adaptor/back cover. To check for phone or other device compatibility, see my.gm.com/learn or consult your carrier.