Specifications Comparison: 2003 Chevrolet Silverado 1500 vs 2005 Chevrolet Silverado 1500

Towing Capacity

Trim	Engine	Drive train	Towing Capacity (lbs)
Extended Cab	V6	RWD	5,200 lbs.
Extended Cab	V8	4WD	8,100 lbs.
Extended Cab LS	V6	RWD	5,200 lbs.
Extended Cab LS	V8	4WD	8,100 lbs.
Extended Cab LT	V8	RWD	9,100 lbs.
Extended Cab LT	V8	4WD	9,100 lbs.
Regular Cab	V6	RWD	5,200 lbs.
Regular Cab	V6	4WD	5,200 lbs.
Regular Cab LS	V6	RWD	5,200 lbs.
Regular Cab LS	V6	4WD	5,200 lbs.
HD Crew Cab LS	V8	RWD	5,000 lbs.
HD Crew Cab LS	V8	4WD	5,000 lbs.
HD Crew Cab LT	V8	RWD	5,000 lbs.
HD Crew Cab LT	V8	4WD	5,000 lbs.

Trim	Engine	Drive train	Towing Capacity (lbs)
Crew Cab LS	V8	RWD	7,700 lbs.
Crew Cab LS	V8	4WD	8,400 lbs.
Crew Cab LT	V8	RWD	7,700 lbs.
Crew Cab LT	V8	4WD	8,400 lbs.
Crew Cab Z71	V8	4WD	8,400 lbs.
Extended Cab	V6	RWD	5,100 lbs.
Extended Cab	V8	4WD	7,700 lbs.
Extended Cab LS	V8	RWD	7,000 lbs.
Extended Cab LS	V8	4WD	7,700 lbs.
Extended Cab LT	V8	RWD	8,000 lbs.
Extended Cab LT	V8	4WD	7,700 lbs.
Extended Cab Z71	V8	4WD	7,700 lbs.
Regular Cab	V6	RWD	3,900 lbs.
Regular Cab	V6	4WD	4,100 lbs.
Regular Cab LS	V8	RWD	7,300 lbs.
Regular Cab LS	V8	4WD	8,000 lbs.
Regular Cab Z71	V8	4WD	8,000 lbs.
Extended Cab LS	V8	RWD	6,700 lbs.
Extended Cab LS	V8	4WD	7,400 lbs.
HD Crew Cab LS	V8	RWD	8,200 lbs.
HD Crew Cab LS	V8	4WD	7,900 lbs.
HD Crew Cab LT	V8	RWD	8,200 lbs.
HD Crew Cab LT	V8	4WD	7,900 lbs.