Specifications Comparison: 2006 GMC Sierra 2500 vs 2020 GMC Sierra 2500

Engine Horsepower & Torque

2006 GMC Sierra 2500

Engine Horsepower & Torque

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

2020 GMC Sierra 2500

Engine Horsepower & Torque

Trim	Eng.	Drive train	HP	Torque (ft-lbs)
HD 2500 Crew Cab 159" AT4	6.6L V8	4WD	401	464
HD 2500 Crew Cab 172" AT4	6.6L V8	4WD	401	464
HD 2500 Crew Cab 159"	6.6L V8	RWD	401	464
HD 2500 Crew Cab 172"	6.6L V8	RWD	401	464
HD 2500 Double Cab 149"	6.6L V8	RWD	401	464
HD 2500 Double Cab 162"	6.6L V8	RWD	401	464
HD 2500 Reg Cab 142"	6.6L V8	RWD	401	464
HD 2500 Crew Cab 159"	6.6L V8	4WD	401	464
HD 2500 Crew Cab 172"	6.6L V8	4WD	401	464
HD 2500 Double Cab 149"	6.6L V8	4WD	401	464
HD 2500 Double Cab 162"	6.6L V8	4WD	401	464
HD 2500 Reg Cab 142"	6.6L V8	4WD	401	464
HD 2500 Crew Cab 159" Denali	6.6L V8	4WD	401	464
HD 2500 Crew Cab 172" Denali	6.6L V8	4WD	401	464
HD 2500 Crew Cab 159" SLE	6.6L V8	RWD	401	464
HD 2500 Crew Cab 172" SLE	6.6L V8	RWD	401	464
HD 2500 Double Cab 149" SLE	6.6L V8	RWD	401	464
HD 2500 Double Cab 162" SLE	6.6L V8	RWD	401	464
HD 2500 Reg Cab 142" SLE	6.6L V8	RWD	401	464
HD 2500 Crew Cab 159" SLE	6.6L V8	4WD	401	464
HD 2500 Crew Cab 172" SLE	6.6L V8	4WD	401	464
HD 2500 Double Cab 149" SLE	6.6L V8	4WD	401	464
HD 2500 Double Cab 162" SLE	6.6L V8	4WD	401	464
HD 2500 Reg Cab 142" SLE	6.6L V8	4WD	401	464
HD 2500 Crew Cab 159" SLT	6.6L V8	RWD	401	464
HD 2500 Crew Cab 172" SLT	6.6L V8	RWD	401	464
HD 2500 Double Cab 149" SLT	6.6L V8	RWD	401	464
HD 2500 Double Cab 162" SLT	6.6L V8	RWD	401	464
HD 2500 Crew Cab 159" SLT	6.6L V8	4WD	401	464
HD 2500 Crew Cab 172" SLT	6.6L V8	4WD	401	464
HD 2500 Double Cab 149" SLT	6.6L V8	4WD	401	464
HD 2500 Double Cab 162" SLT	6.6L V8	4WD	401	464
HD 2500 Crew Cab	6.6L V8	RWD	401	464
HD 2500 Crew Cab	6.6L V8	4WD	401	464
HD 2500 Crew Cab AT4	6.6L V8	4WD	401	464
HD 2500 Crew Cab Denali	6.6L V8	4WD	401	464
HD 2500 Crew Cab SLE	6.6L V8	RWD	401	464
HD 2500 Crew Cab SLE	6.6L V8	4WD	401	464
HD 2500 Crew Cab SLT	6.6L V8	RWD	401	464
HD 2500 Crew Cab SLT	6.6L V8	4WD	401	464
HD 2500 Extended Cab	6.6L V8	RWD	401	464
HD 2500 Extended Cab	6.6L V8	4WD	401	464
HD 2500 Extended Cab SLE	6.6L V8	RWD	401	464
HD 2500 Extended Cab SLE	6.6L V8	4WD	401	464
HD 2500 Extended Cab SLT	6.6L V8	RWD	401	464
HD 2500 Extended Cab SLT	6.6L V8	4WD	401	464
HD 2500 Regular Cab	6.6L V8	RWD	401	464
HD 2500 Regular Cab	6.6L V8	4WD	401	464
HD 2500 Regular Cab SLE	6.6L V8	RWD	401	464
HD 2500 Regular Cab SLE	6.6L V8	4WD	401	464

Engine Horsepower Per Unit Of Displacement

No Data Available: 2006 GMC Sierra 2500 Engine Horsepower Per Liter & Inch³ Of Engine Displacement

2020 GMC Sierra 2500

Horsepower Per Liter & Inch³

Trim	Eng.	Drive train	HP Per Liter	HP Per Inch³
HD 2500 Crew Cab 159" AT4	6.6L V8	4WD	60	1.0
HD 2500 Crew Cab 172" AT4	6.6L V8	4WD	60	1.0
HD 2500 Crew Cab 159"	6.6L V8	RWD	60	1.0
HD 2500 Crew Cab 172"	6.6L V8	RWD	60	1.0
HD 2500 Double Cab 149"	6.6L V8	RWD	60	1.0
HD 2500 Double Cab 162"	6.6L V8	RWD	60	1.0
HD 2500 Reg Cab 142"	6.6L V8	RWD	60	1.0
HD 2500 Crew Cab 159"	6.6L V8	4WD	60	1.0
HD 2500 Crew Cab 172"	6.6L V8	4WD	60	1.0
HD 2500 Double Cab 149"	6.6L V8	4WD	60	1.0
HD 2500 Double Cab 162"	6.6L V8	4WD	60	1.0
HD 2500 Reg Cab 142"	6.6L V8	4WD	60	1.0
HD 2500 Crew Cab 159" Denali	6.6L V8	4WD	60	1.0
HD 2500 Crew Cab 172" Denali	6.6L V8	4WD	60	1.0
HD 2500 Crew Cab 159" SLE	6.6L V8	RWD	60	1.0
HD 2500 Crew Cab 172" SLE	6.6L V8	RWD	60	1.0
HD 2500 Double Cab 149" SLE	6.6L V8	RWD	60	1.0
HD 2500 Double Cab 162" SLE	6.6L V8	RWD	60	1.0
HD 2500 Reg Cab 142" SLE	6.6L V8	RWD	60	1.0
HD 2500 Crew Cab 159" SLE	6.6L V8	4WD	60	1.0
HD 2500 Crew Cab 172" SLE	6.6L V8	4WD	60	1.0
HD 2500 Double Cab 149" SLE	6.6L V8	4WD	60	1.0
HD 2500 Double Cab 162" SLE	6.6L V8	4WD	60	1.0
HD 2500 Reg Cab 142" SLE	6.6L V8	4WD	60	1.0
HD 2500 Crew Cab 159" SLT	6.6L V8	RWD	60	1.0
HD 2500 Crew Cab 172" SLT	6.6L V8	RWD	60	1.0
HD 2500 Double Cab 149" SLT	6.6L V8	RWD	60	1.0
HD 2500 Double Cab 162" SLT	6.6L V8	RWD	60	1.0
HD 2500 Crew Cab 159" SLT	6.6L V8	4WD	60	1.0
HD 2500 Crew Cab 172" SLT	6.6L V8	4WD	60	1.0
HD 2500 Double Cab 149" SLT	6.6L V8	4WD	60	1.0
HD 2500 Double Cab 162" SLT	6.6L V8	4WD	60	1.0
HD 2500 Crew Cab	6.6L V8	RWD	60	1.0
HD 2500 Crew Cab	6.6L V8	4WD	60	1.0
HD 2500 Crew Cab AT4	6.6L V8	4WD	60	1.0
HD 2500 Crew Cab Denali	6.6L V8	4WD	60	1.0
HD 2500 Crew Cab SLE	6.6L V8	RWD	60	1.0
HD 2500 Crew Cab SLE	6.6L V8	4WD	60	1.0
HD 2500 Crew Cab SLT	6.6L V8	RWD	60	1.0
HD 2500 Crew Cab SLT	6.6L V8	4WD	60	1.0
HD 2500 Extended Cab	6.6L V8	RWD	60	1.0
HD 2500 Extended Cab	6.6L V8	4WD	60	1.0
HD 2500 Extended Cab SLE	6.6L V8	RWD	60	1.0
HD 2500 Extended Cab SLE	6.6L V8	4WD	60	1.0
HD 2500 Extended Cab SLT	6.6L V8	RWD	60	1.0
HD 2500 Extended Cab SLT	6.6L V8	4WD	60	1.0
HD 2500 Regular Cab	6.6L V8	RWD	60	1.0
HD 2500 Regular Cab	6.6L V8	4WD	60	1.0
HD 2500 Regular Cab SLE	6.6L V8	RWD	60	1.0
HD 2500 Regular Cab SLE	6.6L V8	4WD	60	1.0