Towing Limits

2026 GMC Sierra 2500 HD towing capacity

Maximum loaded trailer weight22,390 lbsDuramax 6.6L Turbo-Diesel V8, Regular Cab Long Bed 2WD (5th-wheel/gooseneck towing) · when properly equipped

How to read this page · tables, footnotes and hitch limits explained

Towing capacity by configuration

GMC prints 2 separate tables for the Sierra 2500 HD in this guide. They are shown below as printed, each with the footnotes of its own page.

Conventional towing: 6.6L V8 Gas, Duramax 6.6L Turbo-Diesel V8

GMC guide page 1

EngineConfigurationGCWRMax trailer
6.6L V8 GasCrew Cab Standard Bed 2WD24,500 lbs14,500 lbs
6,577 kg
6.6L V8 GasCrew Cab Long Bed 2WD24,500 lbs14,500 lbs
6,577 kg
6.6L V8 GasCrew Cab Standard Bed 4WD24,500 lbs14,500 lbs
6,577 kg
6.6L V8 GasCrew Cab Long Bed 4WD24,500 lbs14,500 lbs
6,577 kg
6.6L V8 GasDouble Cab Standard Bed 2WD24,500 lbs14,500 lbs
6,577 kg
6.6L V8 GasDouble Cab Long Bed 2WD24,500 lbs14,500 lbs
6,577 kg
6.6L V8 GasDouble Cab Standard Bed 4WD24,500 lbs14,500 lbs
6,577 kg
6.6L V8 GasDouble Cab Long Bed 4WD24,500 lbs14,500 lbs
6,577 kg
6.6L V8 GasRegular Cab Long Bed 2WD24,500 lbs14,500 lbs
6,577 kg
6.6L V8 GasRegular Cab Long Bed 4WD24,500 lbs14,500 lbs
6,577 kg
6.6L V8 GasCrew Cab Standard Bed 2WD26,000 lbs316,000 lbs
7,257 kg
6.6L V8 GasCrew Cab Long Bed 2WD26,000 lbs316,000 lbs
7,257 kg
6.6L V8 GasCrew Cab Standard Bed 4WD26,000 lbs316,000 lbs
7,257 kg
6.6L V8 GasCrew Cab Long Bed 4WD26,000 lbs316,000 lbs
7,257 kg
6.6L V8 GasDouble Cab Standard Bed 2WD26,000 lbs314,500 lbs
6,577 kg
6.6L V8 GasDouble Cab Long Bed 2WD26,000 lbs316,000 lbs
7,257 kg
6.6L V8 GasDouble Cab Standard Bed 4WD26,000 lbs314,500 lbs
6,577 kg
6.6L V8 GasDouble Cab Long Bed 4WD26,000 lbs316,000 lbs
7,257 kg
6.6L V8 GasRegular Cab Long Bed 2WD26,000 lbs314,500 lbs
6,577 kg
6.6L V8 GasRegular Cab Long Bed 4WD26,000 lbs314,500 lbs
6,577 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 2WD26,000 lbs18,000 lbs
8,165 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 2WD26,000 lbs17,800 lbs
8,074 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 4WD26,000 lbs17,800 lbs
8,074 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4WD26,000 lbs17,700 lbs
8,029 kg
Duramax 6.6L Turbo-Diesel V8Double Cab Standard Bed 2WD26,000 lbs14,500 lbs
6,577 kg
Duramax 6.6L Turbo-Diesel V8Double Cab Long Bed 2WD26,000 lbs17,900 lbs
8,119 kg
Duramax 6.6L Turbo-Diesel V8Double Cab Standard Bed 4WD26,000 lbs14,500 lbs
6,577 kg
Duramax 6.6L Turbo-Diesel V8Double Cab Long Bed 4WD26,000 lbs17,600 lbs
7,983 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 2WD26,000 lbs14,500 lbs
6,577 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 4WD26,000 lbs14,500 lbs
6,577 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 2WD27,500 lbs318,500 lbs
8,391 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 2WD27,500 lbs318,500 lbs
8,391 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 4WD27,500 lbs318,500 lbs
8,391 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4WD27,500 lbs318,500 lbs
8,391 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 4WD27,500 lbs318,4004 lbs
8,346 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 2WD30,000 lbs520,000 lbs
9,072 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 4WD30,000 lbs520,000 lbs
9,072 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4WD30,000 lbs520,000 lbs
9,072 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 2WD30,000 lbs514,500 lbs
6,577 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 4WD30,000 lbs514,500 lbs
6,577 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 2WD30,300 lbs520,000 lbs
9,072 kg
  1. 1 Requires properly equipped vehicle. Maximum trailering ratings are intended for comparison purposes only. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The trailering capacity of your specific vehicle may vary. The weight of passengers, cargo and options or accessories may reduce the amount you can trailer.
  2. 3 Requires available 18" or 20" wheels.
  3. 4 AT4X AEV Edition maximum trailer rating.
  4. 5 Requires available Max Trailering Package.

5th-wheel/gooseneck towing: 6.6L V8 Gas, Duramax 6.6L Turbo-Diesel V8

GMC guide page 2

EngineConfigurationGCWRMax trailer
6.6L V8 GasCrew Cab Standard Bed 2WD24,500 lbs17,270 lbs
7,834 kg
6.6L V8 GasCrew Cab Long Bed 2WD24,500 lbs17,180 lbs
7,793 kg
6.6L V8 GasCrew Cab Standard Bed 4WD24,500 lbs16,960 lbs
7,693 kg
6.6L V8 GasCrew Cab Long Bed 4WD24,500 lbs16,870 lbs
7,652 kg
6.6L V8 GasDouble Cab Standard Bed 2WD24,500 lbs17,390 lbs
7,888 kg
6.6L V8 GasDouble Cab Long Bed 2WD24,500 lbs17,260 lbs
7,829 kg
6.6L V8 GasDouble Cab Standard Bed 4WD24,500 lbs17,050 lbs
7,734 kg
6.6L V8 GasDouble Cab Long Bed 4WD24,500 lbs16,960 lbs
7,693 kg
6.6L V8 GasRegular Cab Long Bed 2WD24,500 lbs17,700 lbs
8,029 kg
6.6L V8 GasRegular Cab Long Bed 4WD24,500 lbs17,370 lbs
7,879 kg
6.6L V8 GasCrew Cab Standard Bed 2WD26,000 lbs318,500 lbs
8,391 kg
6.6L V8 GasCrew Cab Long Bed 2WD26,000 lbs318,500 lbs
8,391 kg
6.6L V8 GasCrew Cab Standard Bed 4WD26,000 lbs318,380 lbs
8,337 kg
6.6L V8 GasCrew Cab Long Bed 4WD26,000 lbs318,280 lbs
8,292 kg
6.6L V8 GasDouble Cab Standard Bed 2WD26,000 lbs318,600 lbs
8,437 kg
6.6L V8 GasDouble Cab Long Bed 2WD26,000 lbs318,400 lbs
8,346 kg
6.6L V8 GasDouble Cab Standard Bed 4WD26,000 lbs318,200 lbs
8,255 kg
6.6L V8 GasDouble Cab Long Bed 4WD26,000 lbs318,000 lbs
8,165 kg
6.6L V8 GasRegular Cab Long Bed 2WD26,000 lbs318,700 lbs
8,482 kg
6.6L V8 GasRegular Cab Long Bed 4WD26,000 lbs318,300 lbs
8,301 kg
6.6L V8 GasCrew Cab Standard Bed 4WD26,000 lbs316,2004 lbs
7,348 kg
6.6L V8 GasCrew Cab Long Bed 4WD26,000 lbs317,9005 lbs
8,119 kg
6.6L V8 GasCrew Cab Standard Bed 4WD26,000 lbs318,0006 lbs
8,165 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 2WD26,000 lbs18,000 lbs
8,165 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 2WD26,000 lbs17,900 lbs
8,119 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 4WD26,000 lbs17,700 lbs
8,029 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4WD26,000 lbs17,600 lbs
7,983 kg
Duramax 6.6L Turbo-Diesel V8Double Cab Standard Bed 2WD26,000 lbs18,200 lbs
8,255 kg
Duramax 6.6L Turbo-Diesel V8Double Cab Long Bed 2WD26,000 lbs18,000 lbs
8,165 kg
Duramax 6.6L Turbo-Diesel V8Double Cab Standard Bed 4WD26,000 lbs17,900 lbs
8,119 kg
Duramax 6.6L Turbo-Diesel V8Double Cab Long Bed 4WD26,000 lbs17,700 lbs
8,029 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 2WD26,000 lbs18,500 lbs
8,391 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 4WD26,000 lbs18,200 lbs
8,255 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 2WD27,500 lbs319,200 lbs
8,709 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 2WD27,500 lbs319,200 lbs
8,709 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 4WD27,500 lbs319,100 lbs
8,664 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4WD27,500 lbs319,000 lbs
8,618 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 4WD27,500 lbs317,6007 lbs
7,983 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4WD27,500 lbs318,4007 lbs
8,346 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 4WD27,500 lbs317,3008 lbs
7,847 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4WD27,500 lbs318,0009 lbs
8,165 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 4WD27,500 lbs317,20010 lbs
7,802 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4WD27,500 lbs317,90010 lbs
8,119 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 4WD27,500 lbs314,8004 lbs
6,713 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 2WD30,000 lbs1121,510 lbs
9,757 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 4WD30,000 lbs1121,600 lbs
9,798 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4WD30,000 lbs1121,500 lbs
9,752 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 2WD30,000 lbs1122,390 lbs
10,156 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 4WD30,000 lbs1122,000 lbs
9,979 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 4WD30,000 lbs1120,8009 lbs
9,435 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4WD30,000 lbs1121,1909 lbs
9,612 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 4WD30,000 lbs1119,9007 lbs
9,026 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4WD30,000 lbs1119,8207 lbs
8,990 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 4WD30,000 lbs1119,30010 lbs
8,754 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4WD30,000 lbs1119,19010 lbs
8,704 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 2WD30,300 lbs1121,870 lbs
9,920 kg
  1. 1 Requires properly equipped vehicle. Maximum trailering ratings are intended for comparison purposes only. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The trailering capacity of your specific vehicle may vary. The weight of passengers, cargo and options or accessories may reduce the amount you can trailer.
  2. 3 Requires available 18" or 20" wheels.
  3. 4 AT4X AEV Edition maximum trailer rating.
  4. 5 AT4 and Denali maximum trailer rating.
  5. 6 AT4, AT4X and Denali maximum trailer rating.
  6. 7 Denali maximum trailer rating.
  7. 8 AT4 and AT4X maximum trailer rating.
  8. 9 AT4 maximum trailer rating.
  9. 10 Denali Ultimate maximum trailer rating.
  10. 11 Requires available Max Trailering Package.

GCWR is the most the loaded vehicle and loaded trailer may weigh together. Small numbers are GMC's footnotes for that page, listed under each table. Where a cell shows two weights, the footnote says which applies.

Notes from GMC

    Check your own tow

    The maximum assumes a lightly loaded vehicle. Passengers, cargo and tongue weight all come out of your payload. Run your trailer through the calculator with this vehicle's limits filled in:

    Can I tow it? with 2026 GMC Sierra 2500 HD limits →Add your payload from the door-jamb label.

    Source: 2026 GMC Sierra 2500 HD Trailering Charts, pages 1–2. Checked against the original on October 25, 2026. Your owner's manual and door-jamb labels take priority. Found a difference? Tell us.