

The 2022 GMC Sierra HD is a powerful heavy-duty truck that makes easy work of towing and hauling. It is available in both 2500 and 3500 versions along with five trim levels for each one. Choose from the Pro, SLE, SLT, AT4, or Denali. You can get impressive versatility from its range of available tech options when you buy the 2022 Sierra HD from Auburn Chevrolet Buick GMC.
Powertrain options
Both the Sierra 2500 HD and Sierra 3500 HD give you the choice between two powerful engine options.
- 6-liter V8 gas engine: This standard engine is rated at 401 horsepower and 464 lb-ft of torque. It comes paired with a six-speed automatic transmission.
- Duramax® 6.6-liter turbo-diesel V8 engine: With 445 horsepower and 910 lb-ft of torque, this diesel engine is ready to work. It is paired with an Allison® 10-speed automatic transmission.
Towing and hauling capabilities
If you have heavy-duty towing needs, you need a truck with enough muscle to do the job. The GMC Sierra HD offers a range of towing capabilities to meet a variety of needs.
The Sierra 2500 HD diesel model is plenty strong, boasting these performance numbers:
4WD Crew Cab Standard Box | 4WD Crew Cab Long Box | |
Max Gross Combined Weight Rating | 27,500 Pounds | 27,500 Pounds |
Max Conventional/Fifth Wheel/Gooseneck Hitch Towing | 18,500 Pounds | 18,500 Pounds |
Max Payload | 3,563 Pounds | 3,597 Pounds |
The Sierra 2500 HD gas-powered model also has impressive towing and payload rates:
4WD Crew Cab Standard Box | 4WD Crew Cab Long Box | |
Max GCWR | 24,000 Pounds | 24,000 Pounds |
Max Conventional Hitch Towing | 14,500 Pounds | 14,500 Pounds |
Max Fifth Wheel/ Gooseneck Hitch Towing | 16,620 Pounds | 16,520 Pounds |
Max Payload | 3,760 Pounds | 3,862 Pounds |
4WD Crew Cab Standard Box | 4WD Crew Cab Long Box SRW | 4WD Crew Cab Long Box DRW | |
Max GCWR | 29,700 Pounds | 29,700 Pounds | 40,000 Pounds |
Max Conventional Hitch Towing | 20,000 Pounds | 20,000 Pounds | 20,000 Pounds |
Max Fifth Wheel/ Gooseneck Hitch Towing | 21,300 Pounds | 21,040 Pounds | 31,180 Pounds |
Max Payload | 4,185 Pounds | 4,078 Pounds | 5,662 Pounds |
4WD Crew Cab Standard Box | 4WD Crew Cab Long Box SRW | Denali 4WD DRW Crew Cab Long Box | |
Max GCWR | 24,000 Pounds | 24,000 Pounds | 24,000 Pounds |
Max Conventional Hitch Towing | 14,500 Pounds | 14,500 Pounds | 16,010 Pounds |
Max Fifth Wheel/ Gooseneck Hitch | 16,530 Pounds | 16,410 Pounds | 15,890 Pounds |
Max Payload | 4,365 Pounds | 4,398 Pounds | 6,374 Pounds |
Exterior design
The exterior design of the Sierra HD looks awesome and is functional, too. All Sierra HD models are equipped with trailering mirrors to give you an extended view of your trailer. You can upgrade these mirrors with available power functions.
Every Sierra HD also comes standard with a Side Bed Step for easy access to the cargo bed. You can increase the versatility of the cargo bed with the available six-position MultiPro Tailgate.
Ready to get to work in the 2022 Sierra HD? Contact us at Auburn Chevrolet Buick GMC, and we'll get you in the driver's seat of this awesome truck.

Technology
In the technology category, both the Sierra 2500 HD and 3500 HD are nearly identical and offer the same tech features.
With up to 15 available camera views, hitching up your trailer, navigating through difficult spaces, and driving with your trailer can be easier and safer than ever.
Another way to improve your towing confidence is with the available ProGrade™ Trailering System. With this system, you can set up custom trailer profiles, walk through a pre-departure checklist, and even run a trailer lighting test while sitting in the driver's seat. Access these features through either the in-vehicle trailering app or the available myGMC Mobile App.
You can feel safer while driving by using the first-in-class available 15-inch Head-Up Display. This gives you vital vehicle information directly on the windshield so you can keep your eyes on the road.
Hours
- Monday 8:30 am - 8:00 pm
- Tuesday 8:30 am - 8:00 pm
- Wednesday 8:30 am - 8:00 pm
- Thursday 8:30 am - 8:00 pm
- Friday 8:30 am - 8:00 pm
- Saturday 9:00 am - 5:00 pm
- Sunday Closed