2021 GMC Sierra 1500 towing capacity

Up to 11,800 lbs with a conventional ball hitch. That rating is for this configuration: Crew 4WD Standard, 6.2L V8, 4WD, 3.42 axle. The lowest-rated configuration in the same tables is 7,400 lbs, so the answer for your vehicle depends on how it is equipped.

Highest published rating11,800 lbsConventional (ball hitch). Lowest in the same tables: 7,400 lbs.

The top figure belongs to one specific build. Find the row that matches your engine, cab, drive and axle, and check the label on your driver's door jamb. Passengers and cargo in the truck come off what you can tow.

2021 GMC Sierra 1500 towing capacity by engine

The highest rating published for each engine. Pick a figure to see every configuration behind it.

Engine	Conventional	Fifth-wheel or gooseneck	Configurations
6.2L V8	11,800 lbs	8,900 lbs	17
5.3L V8 (L84) and 5.3L V8 (L84/YK9)	11,300 lbs	10,200 lbs	33
5.3L V8 (L82) and 5.3L V8 (L82/YK9) (Base Sierra Trim Only)	9,900 lbs	9,800 lbs	21
3.0L Duramax I6 Turbo Diesel	9,300 lbs	7,800 lbs	21
2.7L Turbo	9,200 lbs	9,100 lbs	15
4.3L V6	7,800 lbs	7,800 lbs	21

2021 GMC Sierra 1500 towing capacity chart

All 128 configurations in the source, by hitch type and engine, highest rating first. Each row links to the page it is printed on.

Conventional (ball hitch)

2021 GMC Sierra 1500 6.2L V8 towing capacity, conventional hitch
Configuration	Drive	Axle	Max trailer	GCWR	Needs	Source
Crew 4WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.42	11,800 lbs	17,800 lbs	Max Trailering Package	p. 17
Crew 4WD ShortGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.42	11,700 lbs	17,800 lbs	Max Trailering Package	p. 17
Crew 4WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.23	9,000 lbs	17,800 lbs		p. 17
AT4, Crew 4WD Shortrating printed in footnote 10 ('AT4 max rating is 8,800 lbs') for this cell	4WD	3.23	8,800 lbs			p. 17
Crew 4WD ShortGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.23	8,600 lbs	17,800 lbs		p. 17

2021 GMC Sierra 1500 5.3L V8 (L84) and 5.3L V8 (L84/YK9) towing capacity, conventional hitch
Configuration	Drive	Axle	Max trailer	GCWR	Needs	Source
Double 2WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	2WD	3.42	11,300 lbs	16,800 lbs	Max Trailering Package	p. 17
Crew 2WD ShortGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	2WD	3.42	11,200 lbs	16,800 lbs	Max Trailering Package	p. 17
Double 4WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.42	11,000 lbs	16,800 lbs	Max Trailering Package	p. 17
Crew 4WD ShortGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 9	4WD	3.42	10,900 lbs	16,800 lbs	Max Trailering Package	p. 17
Crew 4WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.42	10,900 lbs	16,800 lbs	Max Trailering Package	p. 17
Crew 2WD ShortGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	2WD	3.23	9,500 lbs	16,800 lbs		p. 17
Double 2WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	2WD	3.23	9,500 lbs	16,800 lbs		p. 17
Crew 4WD ShortGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 9	4WD	3.23	9,200 lbs	16,800 lbs		p. 17
AT4, Crew 4WD Shortrating printed in footnote 7 ('AT4 max rating is 9,200 lbs') for this cell	4WD	3.23	9,200 lbs			p. 17
Double 4WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.23	9,200 lbs	16,800 lbs		p. 17
Crew 4WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.23	9,100 lbs	16,800 lbs		p. 17

2021 GMC Sierra 1500 5.3L V8 (L82) and 5.3L V8 (L82/YK9) (Base Sierra Trim Only) towing capacity, conventional hitch
Configuration	Drive	Axle	Max trailer	GCWR	Source
Sierra, Regular 2WD Longengine label limits these ratings to the base Sierra trim	2WD	3.42	9,900 lbs	15,000 lbs	p. 16
Sierra, Crew 2WD Shortengine label limits these ratings to the base Sierra trim	2WD	3.42	9,700 lbs	15,000 lbs	p. 16
Sierra, Double 2WD Standardengine label limits these ratings to the base Sierra trim	2WD	3.42	9,700 lbs	15,000 lbs	p. 16
Sierra, Regular 4WD Longengine label limits these ratings to the base Sierra trim	4WD	3.42	9,700 lbs	15,000 lbs	p. 16
Sierra, Crew 4WD Shortengine label limits these ratings to the base Sierra trim	4WD	3.42	9,400 lbs	15,000 lbs	p. 16
Sierra, Crew 4WD Standardengine label limits these ratings to the base Sierra trim	4WD	3.42	9,400 lbs	15,000 lbs	p. 16
Sierra, Double 4WD Standardengine label limits these ratings to the base Sierra trim	4WD	3.42	9,400 lbs	15,000 lbs	p. 16

2021 GMC Sierra 1500 3.0L Duramax I6 Turbo Diesel towing capacity, conventional hitch
Configuration	Drive	Axle	Max trailer	GCWR	Source
Double 2WD Standard	2WD	3.23	9,300 lbs	15,000 lbs	p. 17
Crew 2WD Short	2WD	3.23	9,200 lbs	15,000 lbs	p. 17
Double 4WD Standard	4WD	3.23	9,000 lbs	15,000 lbs	p. 17
AT4, Crew 4WD Standardrating printed in footnote 15 ('AT4 max rating is 8,900 lbs') for this cell	4WD	3.23	8,900 lbs		p. 17
AT4, Crew 4WD Shortrating printed in footnote 13 ('AT4 max rating is 8,800 lbs') for this cell	4WD	3.23	8,800 lbs		p. 17
Crew 4WD Standard	4WD	3.23	8,800 lbs	15,000 lbs	p. 17
Crew 4WD Short	4WD	3.23	8,500 lbs	15,000 lbs	p. 17

2021 GMC Sierra 1500 2.7L Turbo towing capacity, conventional hitch
Configuration	Drive	Axle	Max trailer	GCWR	Source
Double 2WD Standard	2WD	3.42	9,200 lbs	14,500 lbs	p. 16
Crew 2WD Short	2WD	3.42	9,100 lbs	14,500 lbs	p. 16
Double 4WD Standard	4WD	3.42	9,000 lbs	14,500 lbs	p. 16
Crew 4WD Short	4WD	3.42	8,900 lbs	14,500 lbs	p. 16
Crew 4WD Standard	4WD	3.42	8,900 lbs	14,500 lbs	p. 16

2021 GMC Sierra 1500 4.3L V6 towing capacity, conventional hitch
Configuration	Drive	Axle	Max trailer	GCWR	Source
Regular 2WD Long	2WD	3.42	7,800 lbs	12,800 lbs	p. 16
Crew 2WD Short	2WD	3.42	7,600 lbs	12,800 lbs	p. 16
Double 2WD Standard	2WD	3.42	7,600 lbs	12,800 lbs	p. 16
Regular 4WD Long	4WD	3.42	7,600 lbs	12,800 lbs	p. 16
Crew 4WD Short	4WD	3.42	7,400 lbs	12,800 lbs	p. 16
Crew 4WD Standard	4WD	3.42	7,400 lbs	12,800 lbs	p. 16
Double 4WD Standard	4WD	3.42	7,400 lbs	12,800 lbs	p. 16

Fifth-wheel or gooseneck

2021 GMC Sierra 1500 5.3L V8 (L84) and 5.3L V8 (L84/YK9) towing capacity, fifth-wheel or gooseneck hitch
Configuration	Drive	Axle	Max trailer	GCWR	Needs	Source
Double 2WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	2WD	3.42	10,200 lbs	16,800 lbs	Max Trailering Package	p. 17
Double 2WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	2WD	3.42	10,200 lbs	16,800 lbs	Max Trailering Package	p. 17
Double 4WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.42	9,800 lbs	16,800 lbs	Max Trailering Package	p. 17
Double 4WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.42	9,800 lbs	16,800 lbs	Max Trailering Package	p. 17
Crew 2WD ShortGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	2WD	3.42	9,600 lbs	16,800 lbs	Max Trailering Package	p. 17
Crew 2WD ShortGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	2WD	3.42	9,600 lbs	16,800 lbs	Max Trailering Package	p. 17
Crew 4WD ShortGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 9	4WD	3.42	9,300 lbs	16,800 lbs	Max Trailering Package	p. 17
Crew 4WD ShortGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 9	4WD	3.42	9,300 lbs	16,800 lbs	Max Trailering Package	p. 17
Crew 2WD ShortGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	2WD	3.23	8,900 lbs	16,800 lbs		p. 17
Crew 2WD ShortGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	2WD	3.23	8,900 lbs	16,800 lbs		p. 17
Crew 4WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.42	8,800 lbs	16,800 lbs	Max Trailering Package	p. 17
Crew 4WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.42	8,800 lbs	16,800 lbs	Max Trailering Package	p. 17
Double 2WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	2WD	3.23	8,600 lbs	16,800 lbs		p. 17
Double 2WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	2WD	3.23	8,600 lbs	16,800 lbs		p. 17
Double 4WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.23	8,000 lbs	16,800 lbs		p. 17
Double 4WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.23	8,000 lbs	16,800 lbs		p. 17
Crew 4WD ShortGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 9	4WD	3.23	7,800 lbs	16,800 lbs		p. 17
Crew 4WD ShortGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 9	4WD	3.23	7,800 lbs	16,800 lbs		p. 17
Crew 4WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.23	7,600 lbs	16,800 lbs		p. 17
Crew 4WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.23	7,600 lbs	16,800 lbs		p. 17
AT4, Crew 4WD Shortrating printed in footnote 8 ('AT4 max rating is 7,500 lbs') for this cell	4WD	3.23	7,500 lbs			p. 17
AT4, Crew 4WD Shortrating printed in footnote 8 ('AT4 max rating is 7,500 lbs') for this cell	4WD	3.23	7,500 lbs			p. 17

2021 GMC Sierra 1500 5.3L V8 (L82) and 5.3L V8 (L82/YK9) (Base Sierra Trim Only) towing capacity, fifth-wheel or gooseneck hitch
Configuration	Drive	Axle	Max trailer	GCWR	Source
Sierra, Regular 2WD Longengine label limits these ratings to the base Sierra trim	2WD	3.42	9,800 lbs	15,000 lbs	p. 16
Sierra, Regular 2WD Longengine label limits these ratings to the base Sierra trim	2WD	3.42	9,800 lbs	15,000 lbs	p. 16
Sierra, Crew 2WD Shortengine label limits these ratings to the base Sierra trim	2WD	3.42	9,600 lbs	15,000 lbs	p. 16
Sierra, Crew 2WD Shortengine label limits these ratings to the base Sierra trim	2WD	3.42	9,600 lbs	15,000 lbs	p. 16
Sierra, Double 2WD Standardengine label limits these ratings to the base Sierra trim	2WD	3.42	9,600 lbs	15,000 lbs	p. 16
Sierra, Double 2WD Standardengine label limits these ratings to the base Sierra trim	2WD	3.42	9,600 lbs	15,000 lbs	p. 16
Sierra, Regular 4WD Longengine label limits these ratings to the base Sierra trim	4WD	3.42	9,600 lbs	15,000 lbs	p. 16
Sierra, Regular 4WD Longengine label limits these ratings to the base Sierra trim	4WD	3.42	9,600 lbs	15,000 lbs	p. 16
Sierra, Crew 4WD Standardengine label limits these ratings to the base Sierra trim	4WD	3.42	9,100 lbs	15,000 lbs	p. 16
Sierra, Crew 4WD Standardengine label limits these ratings to the base Sierra trim	4WD	3.42	9,100 lbs	15,000 lbs	p. 16
Sierra, Double 4WD Standardengine label limits these ratings to the base Sierra trim	4WD	3.42	9,100 lbs	15,000 lbs	p. 16
Sierra, Double 4WD Standardengine label limits these ratings to the base Sierra trim	4WD	3.42	9,100 lbs	15,000 lbs	p. 16
Sierra, Crew 4WD Shortengine label limits these ratings to the base Sierra trim	4WD	3.42	8,900 lbs	15,000 lbs	p. 16
Sierra, Crew 4WD Shortengine label limits these ratings to the base Sierra trim	4WD	3.42	8,900 lbs	15,000 lbs	p. 16

2021 GMC Sierra 1500 2.7L Turbo towing capacity, fifth-wheel or gooseneck hitch
Configuration	Drive	Axle	Max trailer	GCWR	Source
Double 2WD Standard	2WD	3.42	9,100 lbs	14,500 lbs	p. 16
Double 2WD Standard	2WD	3.42	9,100 lbs	14,500 lbs	p. 16
Crew 2WD Short	2WD	3.42	9,000 lbs	14,500 lbs	p. 16
Crew 2WD Short	2WD	3.42	9,000 lbs	14,500 lbs	p. 16
Double 4WD Standard	4WD	3.42	8,700 lbs	14,500 lbs	p. 16
Double 4WD Standard	4WD	3.42	8,700 lbs	14,500 lbs	p. 16
Crew 4WD Standard	4WD	3.42	8,600 lbs	14,500 lbs	p. 16
Crew 4WD Standard	4WD	3.42	8,600 lbs	14,500 lbs	p. 16
Crew 4WD Short	4WD	3.42	8,400 lbs	14,500 lbs	p. 16
Crew 4WD Short	4WD	3.42	8,400 lbs	14,500 lbs	p. 16

2021 GMC Sierra 1500 6.2L V8 towing capacity, fifth-wheel or gooseneck hitch
Configuration	Drive	Axle	Max trailer	GCWR	Needs	Source
Crew 4WD ShortGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.42	8,900 lbs	17,800 lbs	Max Trailering Package	p. 17
Crew 4WD ShortGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.42	8,900 lbs	17,800 lbs	Max Trailering Package	p. 17
Crew 4WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.42	8,400 lbs	17,800 lbs	Max Trailering Package	p. 17
Crew 4WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.42	8,400 lbs	17,800 lbs	Max Trailering Package	p. 17
Crew 4WD ShortGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.23	7,100 lbs	17,800 lbs		p. 17
Crew 4WD ShortGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.23	7,100 lbs	17,800 lbs		p. 17
Crew 4WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.23	6,800 lbs	17,800 lbs		p. 17
Crew 4WD StandardGVWR, GCWR and payload cells span both axle-ratio rows of this configuration; GCWR printed with footnote 6; GVWR printed with footnote 6; payload printed with footnote 6	4WD	3.23	6,800 lbs	17,800 lbs		p. 17
AT4, Crew 4WD Standardrating printed in footnote 12 ('AT4 max rating is 6,600 lbs') for this cell	4WD	3.23	6,600 lbs			p. 17
AT4, Crew 4WD Standardrating printed in footnote 12 ('AT4 max rating is 6,600 lbs') for this cell	4WD	3.23	6,600 lbs			p. 17
AT4, Crew 4WD Shortrating printed in footnote 11 ('AT4 max rating is 6,300 lbs') for this cell	4WD	3.23	6,300 lbs			p. 17
AT4, Crew 4WD Shortrating printed in footnote 11 ('AT4 max rating is 6,300 lbs') for this cell	4WD	3.23	6,300 lbs			p. 17

2021 GMC Sierra 1500 4.3L V6 towing capacity, fifth-wheel or gooseneck hitch
Configuration	Drive	Axle	Max trailer	GCWR	Source
Regular 2WD Long	2WD	3.42	7,800 lbs	12,800 lbs	p. 16
Regular 2WD Long	2WD	3.42	7,800 lbs	12,800 lbs	p. 16
Double 2WD Standard	2WD	3.42	7,600 lbs	12,800 lbs	p. 16
Double 2WD Standard	2WD	3.42	7,600 lbs	12,800 lbs	p. 16
Crew 2WD Short	2WD	3.42	7,500 lbs	12,800 lbs	p. 16
Crew 2WD Short	2WD	3.42	7,500 lbs	12,800 lbs	p. 16
Regular 4WD Long	4WD	3.42	7,500 lbs	12,800 lbs	p. 16
Regular 4WD Long	4WD	3.42	7,500 lbs	12,800 lbs	p. 16
Crew 4WD Short	4WD	3.42	7,300 lbs	12,800 lbs	p. 16
Crew 4WD Short	4WD	3.42	7,300 lbs	12,800 lbs	p. 16
Crew 4WD Standard	4WD	3.42	7,300 lbs	12,800 lbs	p. 16
Crew 4WD Standard	4WD	3.42	7,300 lbs	12,800 lbs	p. 16
Double 4WD Standard	4WD	3.42	7,300 lbs	12,800 lbs	p. 16
Double 4WD Standard	4WD	3.42	7,300 lbs	12,800 lbs	p. 16

2021 GMC Sierra 1500 3.0L Duramax I6 Turbo Diesel towing capacity, fifth-wheel or gooseneck hitch
Configuration	Drive	Axle	Max trailer	GCWR	Source
Double 2WD Standard	2WD	3.23	7,800 lbs	15,000 lbs	p. 17
Double 2WD Standard	2WD	3.23	7,800 lbs	15,000 lbs	p. 17
Crew 2WD Short	2WD	3.23	7,600 lbs	15,000 lbs	p. 17
Crew 2WD Short	2WD	3.23	7,600 lbs	15,000 lbs	p. 17
Double 4WD Standard	4WD	3.23	7,100 lbs	15,000 lbs	p. 17
Double 4WD Standard	4WD	3.23	7,100 lbs	15,000 lbs	p. 17
Crew 4WD Short	4WD	3.23	7,000 lbs	15,000 lbs	p. 17
Crew 4WD Short	4WD	3.23	7,000 lbs	15,000 lbs	p. 17
AT4, Crew 4WD Shortrating printed in footnote 14 ('AT4 max rating is 6,700 lbs') for this cell	4WD	3.23	6,700 lbs		p. 17
AT4, Crew 4WD Shortrating printed in footnote 14 ('AT4 max rating is 6,700 lbs') for this cell	4WD	3.23	6,700 lbs		p. 17
Crew 4WD Standard	4WD	3.23	6,500 lbs	15,000 lbs	p. 17
Crew 4WD Standard	4WD	3.23	6,500 lbs	15,000 lbs	p. 17
AT4, Crew 4WD Standardrating printed in footnote 16 ('AT4 max rating is 6,400 lbs') for this cell	4WD	3.23	6,400 lbs		p. 17
AT4, Crew 4WD Standardrating printed in footnote 16 ('AT4 max rating is 6,400 lbs') for this cell	4WD	3.23	6,400 lbs		p. 17

Common questions

Which 2021 GMC Sierra 1500 engine tows the most?

6.2L V8, at up to 11,800 lbs. Next is 5.3L V8 (L84) and 5.3L V8 (L84/YK9) at up to 11,300 lbs.

What does a 2021 GMC Sierra 1500 need to tow 11,800 lbs?

The source lists this for the top-rated configuration: Max Trailering Package.

Can a 2021 GMC Sierra 1500 tow a fifth-wheel or gooseneck trailer?

The manufacturer publishes fifth-wheel or gooseneck ratings for it, up to 10,200 lbs. They are listed by configuration above.

Where do these numbers come from?

From 2021 GMC Trailering Guide. Each row in the tables above links to the document and gives the page the figure is printed on.

Towing equipment for the 2021 GMC Sierra 1500

Parts sold to fit this vehicle. Fitting one does not raise a rating, and the tables above say what each rating needs.

Trailer wiring harness for the 2021 GMC Sierra 1500. See on Amazon (paid link)
Trailer hitch receiver for the 2021 GMC Sierra 1500. See on Amazon (paid link)

As an Amazon Associate we earn from qualifying purchases. The ratings on this page come only from the documents cited.

Where these numbers come from

2021 GMC Trailering Guide, GMC. Manufacturer towing guide. Retrieved October 3, 2026.

Page numbers count pages in the linked file, which can differ from the number printed in the corner. Report a number that looks wrong.

Related ratings

2022 GMC Sierra 1500 towing capacity
2020 GMC Sierra 1500 towing capacity
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