Specifications Comparison: 2023 GMC Sierra 2500 vs 2007 GMC Sierra 2500

Engine Horsepower & Torque

Trim	Eng.	Drive train	HP	Torque (ft-lbs)
HD Pro Crew Cab 159"	6.6L V8	RWD	401	464
HD Pro Crew Cab 172"	6.6L V8	RWD	401	464
HD Pro Double Cab 149"	6.6L V8	RWD	401	464
HD Pro Double Cab 162"	6.6L V8	RWD	401	464
HD Pro Reg Cab 142"	6.6L V8	RWD	401	464
HD Pro Crew Cab 159"	6.6L V8	4WD	401	464
HD Pro Crew Cab 172"	6.6L V8	4WD	401	464
HD Pro Double Cab 149"	6.6L V8	4WD	401	464
HD Pro Double Cab 162"	6.6L V8	4WD	401	464
HD Pro Reg Cab 142"	6.6L V8	4WD	401	464
HD SLE Crew Cab 159"	6.6L V8	RWD	401	464
HD SLE Crew Cab 172"	6.6L V8	RWD	401	464
HD SLE Double Cab 149"	6.6L V8	RWD	401	464
HD SLE Double Cab 162"	6.6L V8	RWD	401	464
HD SLE Reg Cab 142"	6.6L V8	RWD	401	464
HD SLE Crew Cab 159"	6.6L V8	4WD	401	464
HD SLE Crew Cab 172"	6.6L V8	4WD	401	464
HD SLE Double Cab 149"	6.6L V8	4WD	401	464
HD SLE Double Cab 162"	6.6L V8	4WD	401	464
HD SLE Reg Cab 142"	6.6L V8	4WD	401	464
HD SLT Crew Cab 159"	6.6L V8	RWD	401	464
HD SLT Crew Cab 172"	6.6L V8	RWD	401	464
HD SLT Double Cab 149"	6.6L V8	RWD	401	464
HD SLT Double Cab 162"	6.6L V8	RWD	401	464
HD SLT Crew Cab 159"	6.6L V8	4WD	401	464
HD SLT Crew Cab 172"	6.6L V8	4WD	401	464
HD SLT Double Cab 149"	6.6L V8	4WD	401	464
HD SLT Double Cab 162"	6.6L V8	4WD	401	464
HD AT4 Crew Cab 159"	6.6L V8	4WD	401	464
HD AT4 Crew Cab 172"	6.6L V8	4WD	401	464
HD Denali Crew Cab 159"	6.6L V8	4WD	401	464
HD Denali Crew Cab 172"	6.6L V8	4WD	401	464

Trim	Eng.	Drive train	HP	Torque (ft-lbs)
HD 2500 Crew Cab SLE	6.0L V8	RWD	353	373
HD 2500 Crew Cab SLE	6.0L V8	4WD	353	373
HD 2500 Crew Cab SLT	6.0L V8	RWD	353	373
HD 2500 Crew Cab SLT	6.0L V8	4WD	353	373
HD 2500 Extended Cab SLE	6.0L V8	RWD	353	373
HD 2500 Extended Cab SLE	6.0L V8	4WD	353	373
HD 2500 Extended Cab SLT	6.0L V8	RWD	353	373
HD 2500 Extended Cab SLT	6.0L V8	4WD	353	373
HD 2500 Regular Cab SLE	6.0L V8	RWD	353	373
HD 2500 Regular Cab SLE	6.0L V8	4WD	353	373
HD Classic 2500 Crew Cab SL	6.0L V8	RWD	300	360
HD Classic 2500 Crew Cab SL	6.0L V8	4WD	300	360
HD Classic 2500 Crew Cab SLE	6.0L V8	RWD	300	360
HD Classic 2500 Crew Cab SLE	6.0L V8	4WD	300	360
HD Classic 2500 Crew Cab SLT	6.0L V8	RWD	300	360
HD Classic 2500 Crew Cab SLT	6.0L V8	4WD	300	360
HD Classic 2500 Extended Cab SL	6.0L V8	RWD	300	360
HD Classic 2500 Extended Cab SL	6.0L V8	4WD	300	360
HD Classic 2500 Extended Cab SLE	6.0L V8	RWD	300	360
HD Classic 2500 Extended Cab SLE	6.0L V8	4WD	300	360
HD Classic 2500 Extended Cab SLT	6.0L V8	RWD	300	360
HD Classic 2500 Extended Cab SLT	6.0L V8	4WD	300	360
HD Classic 2500 Regular Cab SL	6.0L V8	RWD	300	360
HD Classic 2500 Regular Cab SL	6.0L V8	4WD	300	360
HD Classic 2500 Regular Cab SLE	6.0L V8	RWD	300	360
HD Classic 2500 Regular Cab SLE	6.0L V8	4WD	300	360

Trim	Eng.	Drive train	HP Per Liter	HP Per Inch³
HD Pro Crew Cab 159"	6.6L V8	RWD	60	1.0
HD Pro Crew Cab 172"	6.6L V8	RWD	60	1.0
HD Pro Double Cab 149"	6.6L V8	RWD	60	1.0
HD Pro Double Cab 162"	6.6L V8	RWD	60	1.0
HD Pro Reg Cab 142"	6.6L V8	RWD	60	1.0
HD Pro Crew Cab 159"	6.6L V8	4WD	60	1.0
HD Pro Crew Cab 172"	6.6L V8	4WD	60	1.0
HD Pro Double Cab 149"	6.6L V8	4WD	60	1.0
HD Pro Double Cab 162"	6.6L V8	4WD	60	1.0
HD Pro Reg Cab 142"	6.6L V8	4WD	60	1.0
HD SLE Crew Cab 159"	6.6L V8	RWD	60	1.0
HD SLE Crew Cab 172"	6.6L V8	RWD	60	1.0
HD SLE Double Cab 149"	6.6L V8	RWD	60	1.0
HD SLE Double Cab 162"	6.6L V8	RWD	60	1.0
HD SLE Reg Cab 142"	6.6L V8	RWD	60	1.0
HD SLE Crew Cab 159"	6.6L V8	4WD	60	1.0
HD SLE Crew Cab 172"	6.6L V8	4WD	60	1.0
HD SLE Double Cab 149"	6.6L V8	4WD	60	1.0
HD SLE Double Cab 162"	6.6L V8	4WD	60	1.0
HD SLE Reg Cab 142"	6.6L V8	4WD	60	1.0
HD SLT Crew Cab 159"	6.6L V8	RWD	60	1.0
HD SLT Crew Cab 172"	6.6L V8	RWD	60	1.0
HD SLT Double Cab 149"	6.6L V8	RWD	60	1.0
HD SLT Double Cab 162"	6.6L V8	RWD	60	1.0
HD SLT Crew Cab 159"	6.6L V8	4WD	60	1.0
HD SLT Crew Cab 172"	6.6L V8	4WD	60	1.0
HD SLT Double Cab 149"	6.6L V8	4WD	60	1.0
HD SLT Double Cab 162"	6.6L V8	4WD	60	1.0
HD AT4 Crew Cab 159"	6.6L V8	4WD	60	1.0
HD AT4 Crew Cab 172"	6.6L V8	4WD	60	1.0
HD Denali Crew Cab 159"	6.6L V8	4WD	60	1.0
HD Denali Crew Cab 172"	6.6L V8	4WD	60	1.0

Trim	Eng.	Drive train	HP Per Liter	HP Per Inch³
HD 2500 Crew Cab SLE	6.0L V8	RWD	58	0.96
HD 2500 Crew Cab SLE	6.0L V8	4WD	58	0.96
HD 2500 Crew Cab SLT	6.0L V8	RWD	58	0.96
HD 2500 Crew Cab SLT	6.0L V8	4WD	58	0.96
HD 2500 Extended Cab SLE	6.0L V8	RWD	58	0.96
HD 2500 Extended Cab SLE	6.0L V8	4WD	58	0.96
HD 2500 Extended Cab SLT	6.0L V8	RWD	58	0.96
HD 2500 Extended Cab SLT	6.0L V8	4WD	58	0.96
HD 2500 Regular Cab SLE	6.0L V8	RWD	58	0.96
HD 2500 Regular Cab SLE	6.0L V8	4WD	58	0.96
HD Classic 2500 Crew Cab SL	6.0L V8	RWD	50	0.82
HD Classic 2500 Crew Cab SL	6.0L V8	4WD	50	0.82
HD Classic 2500 Crew Cab SLE	6.0L V8	RWD	50	0.82
HD Classic 2500 Crew Cab SLE	6.0L V8	4WD	50	0.82
HD Classic 2500 Crew Cab SLT	6.0L V8	RWD	50	0.82
HD Classic 2500 Crew Cab SLT	6.0L V8	4WD	50	0.82
HD Classic 2500 Extended Cab SL	6.0L V8	RWD	50	0.82
HD Classic 2500 Extended Cab SL	6.0L V8	4WD	50	0.82
HD Classic 2500 Extended Cab SLE	6.0L V8	RWD	50	0.82
HD Classic 2500 Extended Cab SLE	6.0L V8	4WD	50	0.82
HD Classic 2500 Extended Cab SLT	6.0L V8	RWD	50	0.82
HD Classic 2500 Extended Cab SLT	6.0L V8	4WD	50	0.82
HD Classic 2500 Regular Cab SL	6.0L V8	RWD	50	0.82
HD Classic 2500 Regular Cab SL	6.0L V8	4WD	50	0.82
HD Classic 2500 Regular Cab SLE	6.0L V8	RWD	50	0.82
HD Classic 2500 Regular Cab SLE	6.0L V8	4WD	50	0.82