Specifications Comparison: 2018 GMC Sierra 1500 vs 2006 GMC Sierra 1500

Engine Horsepower & Torque

Trim	Eng.	Drive train	HP	Torque (ft-lbs)
1500 Crew Cab	4.3L V6	RWD	285	305
1500 Crew Cab	4.3L V6	4WD	285	305
1500 Crew Cab Denali	5.3L V8	RWD	355	383
1500 Crew Cab Denali	5.3L V8	4WD	355	383
1500 Crew Cab SLE	4.3L V6	RWD	285	305
1500 Crew Cab SLE	4.3L V6	4WD	285	305
1500 Crew Cab SLT	5.3L V8	RWD	355	383
1500 Crew Cab SLT	5.3L V8	4WD	355	383
1500 Crew Cab SLT eAssist	5.3L V8	RWD	355	383
1500 Crew Cab SLT eAssist	5.3L V8	4WD	355	383
1500 Extended Cab	4.3L V6	RWD	285	305
1500 Extended Cab	4.3L V6	4WD	285	305
1500 Extended Cab SLE	4.3L V6	RWD	285	305
1500 Extended Cab SLE	4.3L V6	4WD	285	305
1500 Extended Cab SLT	5.3L V8	RWD	355	383
1500 Extended Cab SLT	5.3L V8	4WD	355	383
1500 Regular Cab	4.3L V6	RWD	285	305
1500 Regular Cab	4.3L V6	4WD	285	305
1500 Regular Cab SLE	4.3L V6	RWD	285	305
1500 Regular Cab SLE	4.3L V6	4WD	285	305

Trim	Eng.	Drive train	HP	Torque (ft-lbs)
1500 Extended Cab SL	V6	RWD	195	260
1500 Extended Cab SL	V8	4WD	285	295
1500 Extended Cab SLE	V8	RWD	285	295
1500 Extended Cab SLE	V8	4WD	295	335
1500 Regular Cab SL	V6	RWD	195	260
1500 Regular Cab SL	V6	4WD	195	260
1500 Regular Cab SLE	V8	RWD	285	295
1500 Regular Cab SLE	V8	4WD	285	295
1500 Crew Cab SL	V8	RWD	285	295
1500 Crew Cab SL	V8	4WD	285	295
1500 Crew Cab SLE	V8	RWD	295	335
1500 Crew Cab SLE	V8	4WD	295	335
1500 Crew Cab SLT	V8	RWD	295	335
1500 Crew Cab SLT	V8	4WD	295	335
1500 Extended Cab SLT	V8	RWD	295	335
1500 Extended Cab SLT	V8	4WD	295	335
1500 Extended Cab SLE	V8	RWD	295	335
1500 Extended Cab SLE	V8	4WD	295	335
HD 1500 Crew Cab SLE	V8	RWD	300	360
HD 1500 Crew Cab SLE	V8	4WD	300	360
HD 1500 Crew Cab SLT	V8	RWD	300	360
HD 1500 Crew Cab SLT	V8	4WD	300	360
Crew Cab Denali	V8	AWD	345	380

Trim	Eng.	Drive train	HP Per Liter	HP Per Inch³
1500 Crew Cab	4.3L V6	RWD	66	1.09
1500 Crew Cab	4.3L V6	4WD	66	1.09
1500 Crew Cab Denali	5.3L V8	RWD	66	1.1
1500 Crew Cab Denali	5.3L V8	4WD	66	1.1
1500 Crew Cab SLE	4.3L V6	RWD	66	1.09
1500 Crew Cab SLE	4.3L V6	4WD	66	1.09
1500 Crew Cab SLT	5.3L V8	RWD	66	1.1
1500 Crew Cab SLT	5.3L V8	4WD	66	1.1
1500 Crew Cab SLT eAssist	5.3L V8	RWD	66	1.1
1500 Crew Cab SLT eAssist	5.3L V8	4WD	66	1.1
1500 Extended Cab	4.3L V6	RWD	66	1.09
1500 Extended Cab	4.3L V6	4WD	66	1.09
1500 Extended Cab SLE	4.3L V6	RWD	66	1.09
1500 Extended Cab SLE	4.3L V6	4WD	66	1.09
1500 Extended Cab SLT	5.3L V8	RWD	66	1.1
1500 Extended Cab SLT	5.3L V8	4WD	66	1.1
1500 Regular Cab	4.3L V6	RWD	66	1.09
1500 Regular Cab	4.3L V6	4WD	66	1.09
1500 Regular Cab SLE	4.3L V6	RWD	66	1.09
1500 Regular Cab SLE	4.3L V6	4WD	66	1.09