Specifications Comparison: 2002 GMC Sierra 3500 vs 2008 GMC Sierra 3500

Towing Capacity

Trim	Engine	Drive train	Towing Capacity (lbs)
3500 Crew Cab SL	6.0L V8	RWD	10,100 lbs.
3500 Crew Cab SL	6.0L V8	4WD	10,100 lbs.
3500 Crew Cab SLE	6.0L V8	RWD	10,100 lbs.
3500 Crew Cab SLE	6.0L V8	4WD	10,100 lbs.
3500 Crew Cab SLT	6.0L V8	RWD	10,100 lbs.
3500 Crew Cab SLT	6.0L V8	4WD	10,100 lbs.
3500 Extended Cab SL	6.0L V8	RWD	10,100 lbs.
3500 Extended Cab SL	6.0L V8	4WD	10,100 lbs.
3500 Extended Cab SLE	6.0L V8	RWD	10,100 lbs.
3500 Extended Cab SLE	6.0L V8	4WD	10,100 lbs.
3500 Extended Cab SLT	6.0L V8	RWD	10,100 lbs.
3500 Extended Cab SLT	6.0L V8	4WD	10,100 lbs.
3500 Regular Cab SL	6.0L V8	4WD	10,100 lbs.
3500 Regular Cab SLE	6.0L V8	4WD	10,100 lbs.

Trim	Engine	Drive train	Towing Capacity (lbs)
HD 3500 Crew Cab SLE	6.0L V8	RWD	9,600 lbs.
HD 3500 Crew Cab SLE	6.0L V8	4WD	9,300 lbs.
HD 3500 Crew Cab SLT	6.0L V8	RWD	9,600 lbs.
HD 3500 Crew Cab SLT	6.0L V8	4WD	9,300 lbs.
HD 3500 Extended Cab SLE	6.0L V8	RWD	9,700 lbs.
HD 3500 Extended Cab SLE	6.0L V8	4WD	9,500 lbs.
HD 3500 Extended Cab SLT	6.0L V8	RWD	9,700 lbs.
HD 3500 Extended Cab SLT	6.0L V8	4WD	9,500 lbs.
HD 3500 Regular Cab SLE	6.0L V8	RWD	10,100 lbs.
HD 3500 Regular Cab SLE	6.6L V8	4WD	9,900 lbs.