2005 GMC Sierra 2500 Towing Capacity & Tow Rating

The table below lists every trim of the 2005 GMC Sierra 2500 with the engine, drivetrain, axle ratio, horsepower, torque, GVWR, curb weight, and payload that go with that trim's headline tow rating. Manufacturers often publish more than one tow figure per truck — a conventional bumper-hitch rating, a weight-distributing rating, and a gooseneck or fifth-wheel rating — so the highest number here is the maximum across all hitch classes the source carries for the trim.

Per-trim breakdown

Configuration	Engine	HP	Torque	Axle	Tow (lb)	GVWR	Curb	Payload
Work Truck Pickup 2D 8 ft	V8, 6.0 Liter	300	360	—	12,000	—	5,177	—
Pickup 2D 8 ft	V8, 6.0 Liter	300	360	—	12,000	—	5,177	—
SLE Pickup 2D 8 ft	V8, 6.0 Liter	300	360	—	12,000	—	5,177	—
Work Truck Pickup 4D 6 1/2 ft	V8, 6.0 Liter	300	360	—	12,000	—	5,404	—
Pickup 4D 8 ft	V8, 6.0 Liter	300	360	—	12,000	—	5,561	—
Work Truck Pickup 4D 6 1/2 ft	V8, 6.0 Liter	300	360	—	12,000	—	5,360	—
Work Truck Pickup 4D 8 ft	V8, 6.0 Liter	300	360	—	12,000	—	5,561	—
SLE Pickup 4D 8 ft	V8, 6.0 Liter	300	360	—	12,000	—	5,561	—
SLT Pickup 4D 8 ft	V8, 6.0 Liter	300	360	—	12,000	—	5,561	—
SLT Pickup 4D 8 ft	V8, 8.1 Liter	330	450	—	12,000	—	5,768	—
Pickup 4D 8 ft	V8, 6.6L Turbo Dsl	310	605	—	12,000	—	5,768	—
Work Truck Pickup 4D 8 ft	V8, 6.6L Turbo Dsl	310	605	—	12,000	—	5,768	—
SLE Pickup 4D 8 ft	V8, 6.6L Turbo Dsl	310	605	—	12,000	—	5,768	—
Pickup 4D 6 1/2 ft	V8, 6.6L Turbo Dsl	310	605	—	12,000	—	5,360	—
Pickup 4D 6 1/2 ft	V8, 6.6L Turbo Dsl	310	605	—	12,000	—	5,404	—
SLE Pickup 4D 6 1/2 ft	V8, 6.6L Turbo Dsl	310	605	—	12,000	—	5,404	—
SLT Pickup 4D 6 1/2 ft	V8, 6.6L Turbo Dsl	310	605	—	12,000	—	5,404	—
SLE Pickup 4D 6 1/2 ft	V8, 6.6L Turbo Dsl	310	605	—	12,000	—	5,360	—
SLT Pickup 4D 6 1/2 ft	V8, 6.6L Turbo Dsl	310	605	—	12,000	—	5,360	—
Work Truck Pickup 4D 6 1/2 ft	V8, 6.0 Liter	300	360	—	12,000	—	5,360	—
SLT Pickup 4D 8 ft	V8, 8.1 Liter	330	450	—	12,000	—	5,768	—
Pickup 4D 8 ft	V8, 6.6L Turbo Dsl	310	605	—	12,000	—	5,768	—
Work Truck Pickup 4D 8 ft	V8, 6.6L Turbo Dsl	310	605	—	12,000	—	5,768	—
SLE Pickup 4D 8 ft	V8, 6.6L Turbo Dsl	310	605	—	12,000	—	5,768	—
Pickup 4D 6 1/2 ft	V8, 6.6L Turbo Dsl	310	605	—	12,000	—	5,360	—
SLE Pickup 4D 6 1/2 ft	V8, 6.6L Turbo Dsl	310	605	—	12,000	—	5,360	—
SLT Pickup 4D 6 1/2 ft	V8, 6.6L Turbo Dsl	310	605	—	12,000	—	5,360	—
Work Truck Pickup 4D 6 1/2 ft	V8, 6.0 Liter	300	360	—	12,000	—	5,404	—
Pickup 4D 8 ft	V8, 6.0 Liter	300	360	—	12,000	—	5,561	—
Work Truck Pickup 4D 8 ft	V8, 6.0 Liter	300	360	—	12,000	—	5,561	—
SLE Pickup 4D 8 ft	V8, 6.0 Liter	300	360	—	12,000	—	5,561	—
SLT Pickup 4D 8 ft	V8, 6.0 Liter	300	360	—	12,000	—	5,561	—
Pickup 4D 6 1/2 ft	V8, 6.6L Turbo Dsl	310	605	—	12,000	—	5,404	—
SLE Pickup 4D 6 1/2 ft	V8, 6.6L Turbo Dsl	310	605	—	12,000	—	5,404	—
SLT Pickup 4D 6 1/2 ft	V8, 6.6L Turbo Dsl	310	605	—	12,000	—	5,404	—

How to interpret the headline tow figure

Ratings in this range are typically achievable with a weight-distributing hitch and the appropriate tow package. The conventional bumper-pull rating without weight distribution will be lower than the headline figure shown here — usually 5,000 to 8,000 lb. Confirm the hitch class on your vehicle's door-jamb sticker before towing at the upper end.

How this year compares to 2004

The 2004 GMC Sierra 2500 carried a maximum tow rating of 10,800 lb. The 2005 model adds 1,200 lb on top of that — usually a sign the manufacturer added a tow package option, refreshed the powertrain, or revised hitch class certification. See the 2004 GMC Sierra 2500 page for the full per-trim breakdown of the prior year.

Other 2005 GMC models

The rest of GMC's 2005 lineup, ranked by maximum tow rating. Click through for the per-trim breakdown of any of these.

Model	Max tow (lb)
2005 GMC Sierra 2500 HD Crew CAB	12,000
2005 GMC Sierra 2500 HD Extended CAB	12,000
2005 GMC Sierra 2500 HD Regular CAB	12,000
2005 GMC Sierra 3500 Crew CAB	12,000
2005 GMC Sierra 3500 Extended CAB	12,000
2005 GMC Sierra 3500 Regular CAB	12,000

All figures sourced from manufacturer documentation. See our methodology for how the dataset is compiled. Always confirm against your vehicle's door-jamb sticker before towing.