Specifications Comparison: 2024 GMC Sierra 3500 vs 2003 GMC Sierra 3500

Towing Capacity

Trim	Engine	Drive train	Towing Capacity (lbs)
HD Pro Crew Cab 159"	6.6L V8	RWD	16,000 lbs.
HD Pro Crew Cab 172"	6.6L V8	RWD	16,000 lbs.
HD Pro Double Cab 162"	6.6L V8	RWD	16,000 lbs.
HD Pro Reg Cab 142"	6.6L V8	RWD	14,500 lbs.
HD Pro Crew Cab 159"	6.6L V8	4WD	16,000 lbs.
HD Pro Crew Cab 172"	6.6L V8	4WD	16,000 lbs.
HD Pro Double Cab 162"	6.6L V8	4WD	16,000 lbs.
HD Pro Reg Cab 142"	6.6L V8	4WD	14,500 lbs.
HD SLE Crew Cab 159"	6.6L V8	RWD	16,000 lbs.
HD SLE Crew Cab 172"	6.6L V8	RWD	16,000 lbs.
HD SLE Double Cab 162"	6.6L V8	RWD	16,000 lbs.
HD SLE Reg Cab 142"	6.6L V8	RWD	14,500 lbs.
HD SLE Crew Cab 159"	6.6L V8	4WD	16,000 lbs.
HD SLE Crew Cab 172"	6.6L V8	4WD	16,000 lbs.
HD SLE Double Cab 162"	6.6L V8	4WD	16,000 lbs.
HD SLE Reg Cab 142"	6.6L V8	4WD	14,500 lbs.
HD SLT Crew Cab 159"	6.6L V8	RWD	16,000 lbs.
HD SLT Crew Cab 172"	6.6L V8	RWD	16,000 lbs.
HD SLT Crew Cab 159"	6.6L V8	4WD	16,000 lbs.
HD SLT Crew Cab 172"	6.6L V8	4WD	16,000 lbs.
HD AT4 Crew Cab 159"	6.6L V8	4WD	16,000 lbs.
HD AT4 Crew Cab 172"	6.6L V8	4WD	16,000 lbs.
HD Denali Crew Cab 159"	6.6L V8	4WD	16,000 lbs.
HD Denali Crew Cab 172"	6.6L V8	4WD	16,000 lbs.
HD Denali Ultimate Crew Cab 159"	6.6L V8	4WD	20,000 lbs.
HD Denali Ultimate Crew Cab 172"	6.6L V8	4WD	20,000 lbs.

Trim	Engine	Drive train	Towing Capacity (lbs)
3500 Crew Cab	V8	RWD	9,500 lbs.
3500 Crew Cab	V8	4WD	9,200 lbs.
3500 Crew Cab SLE	V8	RWD	9,500 lbs.
3500 Crew Cab SLE	V8	4WD	9,200 lbs.
3500 Crew Cab SLT	V8	RWD	9,500 lbs.
3500 Crew Cab SLT	V8	4WD	9,200 lbs.
3500 Extended Cab	V8	RWD	9,800 lbs.
3500 Extended Cab	V8	4WD	9,500 lbs.
3500 Extended Cab SLE	V8	RWD	9,800 lbs.
3500 Extended Cab SLE	V8	4WD	9,500 lbs.
3500 Extended Cab SLT	V8	RWD	9,800 lbs.
3500 Extended Cab SLT	V8	4WD	9,500 lbs.
3500 Regular Cab	V8	4WD	9,900 lbs.
3500 Regular Cab SLE	V8	4WD	9,900 lbs.