2026 GMC Sierra 2500HD Towing Capacity
The 2026 GMC Sierra 2500HD delivers up to 22,390 pounds of maximum towing capacity when properly equipped. This requires the available Duramax Turbo-Diesel engine paired with a compatible fifth-wheel hitch. Browse our available inventory online to find the configuration that matches your job site requirements.
Powertrain Options and Performance Output
Heavy-duty capability starts under the hood. The 2026 GMC Sierra 2500HD offers two distinct powertrain options built to handle demanding workloads. The standard 6.6L Gas V8 engine produces 401 horsepower and 464 lb.-ft. of torque. For those who require maximum pulling force, the available Duramax 6.6L Turbo-Diesel V8 generates 470 horsepower and 975 lb.-ft. of torque.
This immense diesel torque translates to a smoother experience when accelerating with a loaded bed or a heavy trailer. You will not feel the engine struggling to get up to highway speeds on your daily commute. Explore our new 2026 GMC Sierra 2500HD models to view the engine configurations we currently have in stock.
For a complete look at how these engines are paired with different cab sizes and bed lengths, read our full 2026 GMC Sierra 2500HD trim breakdown on our main research page.
Local Hauling and Payload Utility
Whether you are managing a commercial fleet or simply need a robust truck for personal use, the Sierra 2500HD provides serious utility. With a maximum payload capacity of up to 3,863 pounds when properly equipped, you can load the bed with lumber, tools, or gravel for construction projects around Elizabeth City without sagging the rear suspension.
If your weekend plans involve towing a heavy multi-engine boat out to the Pasquotank River, the 22,390-pound maximum towing capacity handles the task effortlessly. You can verify proper weight distribution and hitch requirements by referencing the Official GMC Trailering Guide. For additional guidance on safe trailering practices, consult the NHTSA towing safety recommendations.
Heavy-Duty Specification
| Specification | Standard Gas V8 | Available Duramax Diesel |
|---|---|---|
| Engine Displacement | 6.6L | 6.6L Turbo-Diesel |
| Horsepower | 401 hp | 470 hp |
| Torque | 464 lb.-ft. | 975 lb.-ft. |
| Max Towing Capacity | 18,700 lbs (when properly equipped) | 22,390 lbs (when properly equipped) |
| Transmission | Allison 10-speed automatic | Allison 10-speed automatic |
Disclaimer:
The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
1Dealer Discount applied to everyone
1Dealer Discount applied to everyone