Specifications Comparison: 2021 GMC Sierra 1500 vs 2016 GMC Sierra 1500

Towing Capacity

Trim	Engine	Drive train	Towing Capacity (lbs)
Crew Cab	2.7L	RWD	7,600 lbs.
Crew Cab	2.7L	4WD	7,400 lbs.
Crew Cab AT4	6.2L V8	4WD	9,200 lbs.
Crew Cab Denali	3.0L I6	RWD	9,500 lbs.
Crew Cab Denali	6.2L V8	4WD	9,100 lbs.
Crew Cab Elevation	3.0L I6	RWD	9,100 lbs.
Crew Cab Elevation 3VL	2.7L	4WD	8,900 lbs.
Crew Cab Elevation	3.0L I6	4WD	8,900 lbs.
Crew Cab SLE	3.0L I6	RWD	9,100 lbs.
Crew Cab SLE	3.0L I6	4WD	8,900 lbs.
Crew Cab SLT	3.0L I6	RWD	9,500 lbs.
Crew Cab SLT	3.0L V8	4WD	9,200 lbs.
Extended Cab	2.7L	RWD	7,600 lbs.
Extended Cab	2.7L	4WD	7,400 lbs.
Extended Cab Elevation	3.0L I6	RWD	9,200 lbs.
Extended Cab Elevation 3VL	2.7L	4WD	9,000 lbs.
Extended Cab Elevation	3.0L I6	4WD	9,000 lbs.
Extended Cab SLE	3.0L I6	RWD	9,200 lbs.
Extended Cab SLE	3.0L I6	4WD	9,000 lbs.
Regular Cab	5.3L V8	RWD	7,800 lbs.
Regular Cab	5.3L V8	4WD	7,600 lbs.

Trim	Engine	Drive train	Towing Capacity (lbs)
1500 Crew Cab	4.3L V6	RWD	5,500 lbs.
1500 Crew Cab	4.3L V6	4WD	7,000 lbs.
1500 Crew Cab Denali	5.3L V8	RWD	9,400 lbs.
1500 Crew Cab Denali	5.3L V8	4WD	9,100 lbs.
1500 Crew Cab SLE	4.3L V6	RWD	5,500 lbs.
1500 Crew Cab SLE	4.3L V6	4WD	7,000 lbs.
1500 Crew Cab SLT	5.3L V8	RWD	6,400 lbs.
1500 Crew Cab SLT	5.3L V8	4WD	6,100 lbs.
1500 Crew Cab SLT eAssist	5.3L V8	RWD	6,400 lbs.
1500 Extended Cab	4.3L V6	RWD	5,600 lbs.
1500 Extended Cab	4.3L V6	4WD	7,100 lbs.
1500 Extended Cab SLE	4.3L V6	RWD	5,600 lbs.
1500 Extended Cab SLE	4.3L V6	4WD	7,100 lbs.
1500 Extended Cab SLT	5.3L V8	RWD	6,400 lbs.
1500 Extended Cab SLT	5.3L V8	4WD	6,200 lbs.
1500 Regular Cab	4.3L V6	RWD	6,000 lbs.
1500 Regular Cab	4.3L V6	4WD	7,600 lbs.
1500 Regular Cab SLE	4.3L V6	RWD	6,000 lbs.
1500 Regular Cab SLE	4.3L V6	4WD	7,600 lbs.