Specifications Comparison: 2014 GMC Sierra 3500 vs 2003 GMC Sierra 3500

Engine Horsepower & Torque

Trim	Eng.	Drive train	HP	Torque (ft-lbs)
HD 3500 Crew Cab Denali	6.0L V8	RWD	322	380
HD 3500 Crew Cab Denali	6.0L V8	4WD	322	380
HD 3500 Crew Cab SLE	6.0L V8	RWD	322	380
HD 3500 Crew Cab SLE	6.0L V8	4WD	322	380
HD 3500 Crew Cab SLT	6.0L V8	RWD	322	380
HD 3500 Crew Cab SLT	6.0L V8	4WD	322	380
HD 3500 Regular Cab SLE	6.0L V8	RWD	322	380
HD 3500 Regular Cab SLE	6.0L V8	4WD	322	380

Trim	Eng.	Drive train	HP	Torque (ft-lbs)
3500 Crew Cab	V8	RWD	300	360
3500 Crew Cab	V8	4WD	300	360
3500 Crew Cab SLE	V8	RWD	300	360
3500 Crew Cab SLE	V8	4WD	300	360
3500 Crew Cab SLT	V8	RWD	300	360
3500 Crew Cab SLT	V8	4WD	300	360
3500 Extended Cab	V8	RWD	300	360
3500 Extended Cab	V8	4WD	300	360
3500 Extended Cab SLE	V8	RWD	300	360
3500 Extended Cab SLE	V8	4WD	300	360
3500 Extended Cab SLT	V8	RWD	300	360
3500 Extended Cab SLT	V8	4WD	300	360
3500 Regular Cab	V8	4WD	300	360
3500 Regular Cab SLE	V8	4WD	300	360

Trim	Eng.	Drive train	HP Per Liter	HP Per Inch³
HD 3500 Crew Cab Denali	6.0L V8	RWD	53	0.88
HD 3500 Crew Cab Denali	6.0L V8	4WD	53	0.88
HD 3500 Crew Cab SLE	6.0L V8	RWD	53	0.88
HD 3500 Crew Cab SLE	6.0L V8	4WD	53	0.88
HD 3500 Crew Cab SLT	6.0L V8	RWD	53	0.88
HD 3500 Crew Cab SLT	6.0L V8	4WD	53	0.88
HD 3500 Regular Cab SLE	6.0L V8	RWD	53	0.88
HD 3500 Regular Cab SLE	6.0L V8	4WD	53	0.88