2020 GMC Sierra 2500HD towing capacity

Max tow rating

18,500lb

2WD Crew Cab 159", 6.6L.
Base trim: 14,500 lb.

Trailer check

Trailer weight, lbTrim

Yes. 14,800 lb is within 80% of the rating.

Tow rating: 18,500 lb
80% rule: Up to 14,800 lb
Margin: 3,700 lb (20%)
Hitch class needed: V, over 10,000 lb
Share of curb weight: 233% of 6,352 lb

Over the 85% curb weight guideline.

Pounds. Blue: fits under 14,800 lb, 80% of the rating. Orange: lighter ones fit. Grey: too heavy.

What it can pull

Rule: keep the trailer at 80% of the rating or less.

Max tow rating: 18,500 lb
80% of the rating: 14,800 lb
Hitch class at max: V, over 10,000 lb

What it can pull at 14,800 lb
Trailer	Loaded weight	Fits
Teardrop camper	1,000 to 2,500 lb	Yes
Utility trailer	1,000 to 3,000 lb	Yes
Pop-up camper	1,500 to 3,000 lb	Yes
Boat on a trailer	2,000 to 6,000 lb	Yes
Small travel trailer	3,000 to 5,000 lb	Yes
Mid-size travel trailer	5,000 to 7,500 lb	Yes
Car on a car hauler	5,500 to 7,500 lb	Yes
Large travel trailer	7,500 to 10,000 lb	Yes
Fifth wheel	10,000 to 16,000 lb	Some, up to 14,800 lb

Trailer weights are typical loaded weights.

Tow rating by trim

Cheapest at 18,500 lb: 2WD Crew Cab 159", $40,200.

2020 GMC Sierra 2500HD tow rating by trim
Trim	Engine	Drivetrain	Tow rating	Payload	GVWR	Curb weight	MSRP
2WD Crew Cab 159"	6.6L	2WD	18,500 lb	3,798 lb	10,150 lb	6,352 lb	$40,200
2WD Crew Cab 172"	6.6L	2WD	18,500 lb	3,848 lb	10,300 lb	6,452 lb	$40,400
4WD Crew Cab 159"	6.6L	4WD	18,500 lb	3,808 lb	10,450 lb	6,642 lb	$43,000
4WD Crew Cab 172"	6.6L	4WD	18,500 lb	3,909 lb	10,650 lb	6,741 lb	$43,200
2WD Crew Cab 159" SLE	6.6L	2WD	18,500 lb	3,798 lb	10,150 lb	6,352 lb	$44,200
2WD Crew Cab 172" SLE	6.6L	2WD	18,500 lb	3,848 lb	10,300 lb	6,452 lb	$44,400
4WD Crew Cab 159" SLE	6.6L	4WD	18,500 lb	3,808 lb	10,450 lb	6,642 lb	$47,000
4WD Crew Cab 172" SLE	6.6L	4WD	18,500 lb	3,909 lb	10,650 lb	6,741 lb	$47,200
2WD Crew Cab 159" SLT	6.6L	2WD	18,500 lb	3,998 lb	10,350 lb	6,352 lb	$52,800
2WD Crew Cab 172" SLT	6.6L	2WD	18,500 lb	4,048 lb	10,500 lb	6,452 lb	$53,000
4WD Crew Cab 159" SLT	6.6L	4WD	18,500 lb	4,008 lb	10,650 lb	6,642 lb	$55,600
4WD Crew Cab 172" SLT	6.6L	4WD	18,500 lb	4,109 lb	10,850 lb	6,741 lb	$55,800
4WD Crew Cab 159" AT4	6.6L	4WD	18,500 lb	4,008 lb	10,650 lb	6,642 lb	$58,300
4WD Crew Cab 172" AT4	6.6L	4WD	18,500 lb	4,109 lb	10,850 lb	6,741 lb	$58,500
4WD Crew Cab 159" Denali	6.6L	4WD	18,500 lb	4,008 lb	10,650 lb	6,642 lb	$64,300
4WD Crew Cab 172" Denali	6.6L	4WD	18,500 lb	4,109 lb	10,850 lb	6,741 lb	$64,500
2WD Reg Cab 142"	6.6L	2WD	14,500 lb	3,976 lb	9,900 lb	5,924 lb	$35,800
Double Cab RWD	6.6L	RWD	14,500 lb	3,811 lb	10,050 lb	6,239 lb	$38,400
Double Cab LB RWD	6.6L	RWD	14,500 lb	3,840 lb	10,200 lb	6,360 lb	$38,600
4WD Reg Cab 142"	6.6L	4WD	14,500 lb	4,013 lb	10,250 lb	6,237 lb	$38,600
2WD Reg Cab 142" SLE	6.6L	2WD	14,500 lb	3,976 lb	9,900 lb	5,924 lb	$40,400
Base Double Cab 4WD	6.6L	4WD	14,500 lb	3,795 lb	10,350 lb	6,555 lb	$41,200
4WD Double Cab 162"	6.6L	4WD	14,500 lb	3,851 lb	10,500 lb	6,649 lb	$41,400
SLE Double Cab RWD	6.6L	RWD	14,500 lb	3,811 lb	10,050 lb	6,239 lb	$42,400
SLE Double Cab LB RWD	6.6L	RWD	14,500 lb	3,840 lb	10,200 lb	6,360 lb	$42,600
4WD Reg Cab 142" SLE	6.6L	4WD	14,500 lb	4,013 lb	10,250 lb	6,237 lb	$43,200
SLE Double Cab 4WD	6.6L	4WD	14,500 lb	3,795 lb	10,350 lb	6,555 lb	$45,200
SLE Double Cab LB 4WD	6.6L	4WD	14,500 lb	3,851 lb	10,500 lb	6,649 lb	$45,400
SLT Double Cab RWD	6.6L	RWD	14,500 lb	4,011 lb	10,250 lb	6,239 lb	$51,000
SLT Double Cab RWD LB	6.6L	RWD	14,500 lb	4,040 lb	10,400 lb	6,360 lb	$51,200
SLT Double Cab 4WD	6.6L	4WD	14,500 lb	3,995 lb	10,550 lb	6,555 lb	$53,800
SLT Double Cab LB 4WD	6.6L	4WD	14,500 lb	4,101 lb	10,750 lb	6,649 lb	$54,000

No rating listed: 32 trims.

Max rating by year

Highest rating each year, 2014 to 2026. Pounds.

Changed in 2015: 17,800 lb to 14,500 lb.
Changed in 2016: 14,500 lb to 13,000 lb.
Changed in 2018: 13,000 lb to 14,500 lb.
Changed in 2020: 14,500 lb to 18,500 lb.
Changed in 2024: 18,500 lb to 20,000 lb.

Rivals: max tow rating

2020 rivals by max tow rating
Model	Max tow rating	Cheapest trim at max	MSRP
GMC Sierra 2500HD (this car)	18,500 lb	2WD Crew Cab 159"	$40,200
Ford F-150	9,300 lb	Raptor 4WD SuperCab 5.5' Box	$53,455

Lists by trailer weight

Other models rated for these weights.

What can tow 1,500 lb? 173 models (2026)
What can tow 2,000 lb? 155 models (2026)
What can tow 3,500 lb? 135 models (2026)
What can tow 5,000 lb? 92 models (2026)
What can tow 7,500 lb? 47 models (2026)
What can tow 10,000 lb? 12 models (2026)

What this cannot tell you

Ratings need the right hitch and tow package.

Passengers and cargo count against the payload.

2 or more sources
1 source
Model-level, rule or estimate
Sources disagree

How values are checked