Specifications Comparison: 2012 GMC Sierra 2500 vs 2005 GMC Sierra 2500

Towing Capacity

Trim	Engine	Drive train	Towing Capacity (lbs)
HD 2500 Crew Cab Denali	6.0L V8	RWD	9,500 lbs.
HD 2500 Crew Cab Denali	6.0L V8	4WD	9,300 lbs.
HD 2500 Crew Cab SLE	6.0L V8	RWD	9,700 lbs.
HD 2500 Crew Cab SLE	6.0L V8	4WD	9,400 lbs.
HD 2500 Crew Cab SLT	6.0L V8	RWD	9,700 lbs.
HD 2500 Crew Cab SLT	6.0L V8	4WD	9,400 lbs.
HD 2500 Extended Cab SLE	6.0L V8	RWD	9,800 lbs.
HD 2500 Extended Cab SLE	6.0L V8	4WD	9,500 lbs.
HD 2500 Extended Cab SLT	6.0L V8	RWD	9,800 lbs.
HD 2500 Extended Cab SLT	6.0L V8	4WD	9,500 lbs.
HD 2500 Regular Cab SLE	6.0L V8	RWD	10,200 lbs.
HD 2500 Regular Cab SLE	6.0L V8	4WD	9,900 lbs.

Trim	Engine	Drive train	Towing Capacity (lbs)
HD 2500 Crew Cab	V8	RWD	10,100 lbs.
HD 2500 Crew Cab	V8	4WD	9,800 lbs.
HD 2500 Crew Cab SLE	V8	RWD	10,100 lbs.
HD 2500 Crew Cab SLE	V8	4WD	9,800 lbs.
HD 2500 Crew Cab SLT	V8	RWD	10,100 lbs.
HD 2500 Crew Cab SLT	V8	4WD	9,800 lbs.
HD 2500 Extended Cab	V8	RWD	10,300 lbs.
HD 2500 Extended Cab	V8	4WD	10,000 lbs.
HD 2500 Extended Cab SLE	V8	RWD	10,300 lbs.
HD 2500 Extended Cab SLE	V8	4WD	10,000 lbs.
HD 2500 Extended Cab SLT	V8	RWD	10,300 lbs.
HD 2500 Extended Cab SLT	V8	4WD	10,000 lbs.
HD 2500 Regular Cab	V8	RWD	10,600 lbs.
HD 2500 Regular Cab	V8	4WD	10,300 lbs.
HD 2500 Regular Cab SLE	V8	RWD	10,600 lbs.
HD 2500 Regular Cab SLE	V8	4WD	10,300 lbs.