Specifications Comparison: 2017 GMC Sierra 2500 vs 2006 GMC Sierra 2500

Towing Capacity

Trim	Engine	Drive train	Towing Capacity (lbs)
HD 2500 Crew Cab	6.0L V8	RWD	13,000 lbs.
HD 2500 Crew Cab	6.0L V8	4WD	13,000 lbs.
HD 2500 Crew Cab Denali	6.0L V8	RWD	13,000 lbs.
HD 2500 Crew Cab Denali	6.0L V8	4WD	13,000 lbs.
HD 2500 Crew Cab SLE	6.0L V8	RWD	13,000 lbs.
HD 2500 Crew Cab SLE	6.0L V8	4WD	13,000 lbs.
HD 2500 Crew Cab SLT	6.0L V8	RWD	13,000 lbs.
HD 2500 Crew Cab SLT	6.0L V8	4WD	13,000 lbs.
HD 2500 Extended Cab	6.0L V8	RWD	13,000 lbs.
HD 2500 Extended Cab	6.0L V8	4WD	13,000 lbs.
HD 2500 Extended Cab SLE	6.0L V8	RWD	13,000 lbs.
HD 2500 Extended Cab SLE	6.0L V8	4WD	13,000 lbs.
HD 2500 Extended Cab SLT	6.0L V8	RWD	13,000 lbs.
HD 2500 Extended Cab SLT	6.0L V8	4WD	13,000 lbs.
HD 2500 Regular Cab	6.0L V8	RWD	14,500 lbs.
HD 2500 Regular Cab	6.0L V8	4WD	14,500 lbs.
HD 2500 Regular Cab SLE	6.0L V8	RWD	14,500 lbs.
HD 2500 Regular Cab SLE	6.0L V8	4WD	14,500 lbs.

Trim	Engine	Drive train	Towing Capacity (lbs)
HD 2500 Crew Cab SL	V8	RWD	10,100 lbs.
HD 2500 Crew Cab SL	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 SL	V8	RWD	10,300 lbs.
HD 2500 Extended Cab SL	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 SL	V8	RWD	10,500 lbs.
HD 2500 Regular Cab SL	V8	4WD	10,300 lbs.
HD 2500 Regular Cab SLE	V8	RWD	10,500 lbs.
HD 2500 Regular Cab SLE	V8	4WD	10,300 lbs.