Specifications Comparison: 2003 Chevrolet Silverado 3500 vs 2021 Chevrolet Silverado 3500

Towing Capacity

Trim	Engine	Drive train	Towing Capacity (lbs)
Crew Cab	V8	4WD	9,900 lbs.
Crew Cab LS	V8	RWD	9,900 lbs.
Crew Cab LS	V8	4WD	9,900 lbs.
Crew Cab LT	V8	RWD	9,900 lbs.
Crew Cab LT	V8	4WD	9,900 lbs.
Extended Cab	V8	RWD	9,900 lbs.
Extended Cab	V8	4WD	9,900 lbs.
Extended Cab LS	V8	RWD	9,900 lbs.
Extended Cab LS	V8	4WD	9,900 lbs.
Extended Cab LT	V8	RWD	9,900 lbs.
Extended Cab LT	V8	4WD	9,900 lbs.
Regular Cab	V8	4WD	9,900 lbs.
Regular Cab LS	V8	4WD	9,900 lbs.

Trim	Engine	Drive train	Towing Capacity (lbs)
HD Crew Cab High Country	6.6L V8	4WD	14,500 lbs.
HD Crew Cab LT	6.6L V8	RWD	14,500 lbs.
HD Crew Cab LT	6.6L V8	4WD	14,500 lbs.
HD Crew Cab LTZ	6.6L V8	RWD	14,500 lbs.
HD Crew Cab LTZ	6.6L V8	4WD	14,500 lbs.
HD Crew Cab Work	6.6L V8	RWD	14,500 lbs.
HD Crew Cab Work	6.6L V8	4WD	14,500 lbs.
HD Extended Cab LT	6.6L V8	RWD	14,500 lbs.
HD Extended Cab LT	6.6L V8	4WD	14,500 lbs.
HD Extended Cab Work	6.6L V8	RWD	14,500 lbs.
HD Extended Cab Work	6.6L V8	4WD	14,500 lbs.
HD Regular Cab LT	6.6L V8	RWD	14,500 lbs.
HD Regular Cab LT	6.6L V8	4WD	14,500 lbs.
HD Regular Cab Work	6.6L V8	RWD	14,500 lbs.
HD Regular Cab Work	6.6L V8	4WD	14,500 lbs.