Specifications Comparison: 2021 Chevrolet Silverado 3500 vs 2015 Chevrolet Silverado 3500

Engine Horsepower & Torque

Trim	Eng.	Drive train	HP	Torque (ft-lbs)
HD Crew Cab High Country	6.6L V8	4WD	401	464
HD Crew Cab High Country	6.6L V8	4WD	445	910
HD Crew Cab LT	6.6L V8	RWD	401	464
HD Crew Cab LT	6.6L V8	RWD	445	910
HD Crew Cab LT	6.6L V8	4WD	401	464
HD Crew Cab LT	6.6L V8	4WD	445	910
HD Crew Cab LTZ	6.6L V8	RWD	401	464
HD Crew Cab LTZ	6.6L V8	RWD	445	910
HD Crew Cab LTZ	6.6L V8	4WD	401	464
HD Crew Cab LTZ	6.6L V8	4WD	445	910
HD Crew Cab Work	6.6L V8	RWD	401	464
HD Crew Cab Work	6.6L V8	RWD	445	910
HD Crew Cab Work	6.6L V8	4WD	401	464
HD Crew Cab Work	6.6L V8	4WD	445	910
HD Extended Cab LT	6.6L V8	RWD	401	464
HD Extended Cab LT	6.6L V8	RWD	445	910
HD Extended Cab LT	6.6L V8	4WD	401	464
HD Extended Cab LT	6.6L V8	4WD	445	910
HD Extended Cab Work	6.6L V8	RWD	401	464
HD Extended Cab Work	6.6L V8	RWD	445	910
HD Extended Cab Work	6.6L V8	4WD	401	464
HD Extended Cab Work	6.6L V8	4WD	445	910
HD Regular Cab LT	6.6L V8	RWD	401	464
HD Regular Cab LT	6.6L V8	RWD	445	910
HD Regular Cab LT	6.6L V8	4WD	401	464
HD Regular Cab LT	6.6L V8	4WD	445	910
HD Regular Cab Work	6.6L V8	RWD	401	464
HD Regular Cab Work	6.6L V8	RWD	445	910
HD Regular Cab Work	6.6L V8	4WD	401	464
HD Regular Cab Work	6.6L V8	4WD	445	910

Trim	Eng.	Drive train	HP	Torque (ft-lbs)
HD Crew Cab LT	6.0L V8	RWD	360	380
HD Crew Cab LT	6.0L V8	4WD	360	380
HD Crew Cab LTZ	6.0L V8	RWD	360	380
HD Crew Cab LTZ	6.0L V8	4WD	360	380
HD Crew Cab Work	6.0L V8	RWD	360	380
HD Crew Cab Work	6.0L V8	4WD	360	380
HD Extended Cab LT	6.0L V8	RWD	360	380
HD Extended Cab LT	6.0L V8	4WD	360	380
HD Extended Cab LTZ	6.0L V8	RWD	360	380
HD Extended Cab LTZ	6.0L V8	4WD	360	380
HD Extended Cab Work	6.0L V8	RWD	360	380
HD Extended Cab Work	6.0L V8	4WD	360	380
HD Regular Cab LT	6.0L V8	RWD	360	380
HD Regular Cab LT	6.0L V8	4WD	360	380
HD Regular Cab Work	6.0L V8	RWD	360	380
HD Regular Cab Work	6.0L V8	4WD	360	380
HD Built After Aug 14 Crew Cab High Country	6.0L V8	RWD	360	380
HD Built After Aug 14 Crew Cab High Country	6.0L V8	4WD	360	380

Trim	Eng.	Drive train	HP Per Liter	HP Per Inch³
HD Crew Cab High Country	6.6L V8	4WD	60	1.0
HD Crew Cab High Country	6.6L V8	4WD	67	1.11
HD Crew Cab LT	6.6L V8	RWD	60	1.0
HD Crew Cab LT	6.6L V8	RWD	67	1.11
HD Crew Cab LT	6.6L V8	4WD	60	1.0
HD Crew Cab LT	6.6L V8	4WD	67	1.11
HD Crew Cab LTZ	6.6L V8	RWD	60	1.0
HD Crew Cab LTZ	6.6L V8	RWD	67	1.11
HD Crew Cab LTZ	6.6L V8	4WD	60	1.0
HD Crew Cab LTZ	6.6L V8	4WD	67	1.11
HD Crew Cab Work	6.6L V8	RWD	60	1.0
HD Crew Cab Work	6.6L V8	RWD	67	1.11
HD Crew Cab Work	6.6L V8	4WD	60	1.0
HD Crew Cab Work	6.6L V8	4WD	67	1.11
HD Extended Cab LT	6.6L V8	RWD	60	1.0
HD Extended Cab LT	6.6L V8	RWD	67	1.11
HD Extended Cab LT	6.6L V8	4WD	60	1.0
HD Extended Cab LT	6.6L V8	4WD	67	1.11
HD Extended Cab Work	6.6L V8	RWD	60	1.0
HD Extended Cab Work	6.6L V8	RWD	67	1.11
HD Extended Cab Work	6.6L V8	4WD	60	1.0
HD Extended Cab Work	6.6L V8	4WD	67	1.11
HD Regular Cab LT	6.6L V8	RWD	60	1.0
HD Regular Cab LT	6.6L V8	RWD	67	1.11
HD Regular Cab LT	6.6L V8	4WD	60	1.0
HD Regular Cab LT	6.6L V8	4WD	67	1.11
HD Regular Cab Work	6.6L V8	RWD	60	1.0
HD Regular Cab Work	6.6L V8	RWD	67	1.11
HD Regular Cab Work	6.6L V8	4WD	60	1.0
HD Regular Cab Work	6.6L V8	4WD	67	1.11

Trim	Eng.	Drive train	HP Per Liter	HP Per Inch³
HD Crew Cab LT	6.0L V8	RWD	60	0.98
HD Crew Cab LT	6.0L V8	4WD	60	0.98
HD Crew Cab LTZ	6.0L V8	RWD	60	0.98
HD Crew Cab LTZ	6.0L V8	4WD	60	0.98
HD Crew Cab Work	6.0L V8	RWD	60	0.98
HD Crew Cab Work	6.0L V8	4WD	60	0.98
HD Extended Cab LT	6.0L V8	RWD	60	0.98
HD Extended Cab LT	6.0L V8	4WD	60	0.98
HD Extended Cab LTZ	6.0L V8	RWD	60	0.98
HD Extended Cab LTZ	6.0L V8	4WD	60	0.98
HD Extended Cab Work	6.0L V8	RWD	60	0.98
HD Extended Cab Work	6.0L V8	4WD	60	0.98
HD Regular Cab LT	6.0L V8	RWD	60	0.98
HD Regular Cab LT	6.0L V8	4WD	60	0.98
HD Regular Cab Work	6.0L V8	RWD	60	0.98
HD Regular Cab Work	6.0L V8	4WD	60	0.98
HD Built After Aug 14 Crew Cab High Country	6.0L V8	RWD	60	0.98
HD Built After Aug 14 Crew Cab High Country	6.0L V8	4WD	60	0.98