Specifications Comparison: 2005 GMC Sierra 3500 vs 2011 GMC Sierra 3500

Towing Capacity

Trim	Engine	Drive train	Towing Capacity (lbs)
3500 Crew Cab	V8	RWD	9,400 lbs.
3500 Crew Cab	V8	4WD	9,400 lbs.
3500 Crew Cab SLE	V8	RWD	9,400 lbs.
3500 Crew Cab SLE	V8	4WD	9,400 lbs.
3500 Crew Cab SLT	V8	RWD	9,400 lbs.
3500 Crew Cab SLT	V8	4WD	9,400 lbs.
3500 Extended Cab	V8	RWD	9,700 lbs.
3500 Extended Cab	V8	4WD	9,600 lbs.
3500 Extended Cab SLE	V8	RWD	9,700 lbs.
3500 Extended Cab SLE	V8	4WD	9,600 lbs.
3500 Extended Cab SLT	V8	RWD	9,700 lbs.
3500 Extended Cab SLT	V8	4WD	9,600 lbs.
3500 Regular Cab	V8	4WD	10,000 lbs.
3500 Regular Cab SLE	V8	4WD	10,000 lbs.

Trim	Engine	Drive train	Towing Capacity (lbs)
HD 3500 Crew Cab Denali	6.0L V8	RWD	9,300 lbs.
HD 3500 Crew Cab Denali	6.0L V8	4WD	9,100 lbs.
HD 3500 Crew Cab SLE	6.0L V8	RWD	9,500 lbs.
HD 3500 Crew Cab SLE	6.0L V8	4WD	9,200 lbs.
HD 3500 Crew Cab SLT	6.0L V8	RWD	9,500 lbs.
HD 3500 Crew Cab SLT	6.0L V8	4WD	9,200 lbs.
HD 3500 Extended Cab SLE	6.0L V8	RWD	9,100 lbs.
HD 3500 Extended Cab SLE	6.0L V8	4WD	8,900 lbs.
HD 3500 Extended Cab SLT	6.0L V8	RWD	9,100 lbs.
HD 3500 Extended Cab SLT	6.0L V8	4WD	8,900 lbs.
HD 3500 Regular Cab SLE	6.0L V8	RWD	9,600 lbs.
HD 3500 Regular Cab SLE	6.0L V8	4WD	9,300 lbs.