2023 GMC Sierra 2500HD dimensions: length, width, height, weight, cargo

Length

235.5in long

19 ft 7.5 in. 5.98 m.
81.8 in wide, 79.9 in tall. 5,937 lb.
2WD Reg Cab 142" Pro. Lengths: 235.5 in to 266.1 in.
Full-size truck.

To scale. Dashed: median of 18 trucks (2023).

Dimensions by trim

2023 GMC Sierra 2500HD: outside dimensions by trim
Trim	Length	Width	With mirrors	Height	Wheelbase	Ground clearance	Turning circle
Pro Regular Cab LB RWD, Pro Regular Cab LB 4WD, Pro Crew Cab RWD, Pro Crew Cab LB RWD, SLE LB RWD, Pro Crew Cab 4WD, Pro Crew Cab LB 4WD, SLE LB 4WD, SLE Crew Cab RWD, SLE Crew Cab LB RWD, SLE Crew Cab 4WD, SLE Crew Cab LB 4WD, SLT Crew Cab RWD, SLT Crew Cab LB RWD, SLT Crew Cab 4WD, SLT Crew Cab LB 4WD, AT4 Crew Cab 4WD, AT4 Crew Cab LB 4WD, Denali Crew Cab 4WD, Denali Crew Cab LB 4WD	266.1 in	81.9 in	81.8 in	79.7 in	172.0 in	N/A	57.0 ft
2WD Reg Cab 142" Pro, 4WD Reg Cab 142" Pro, 2WD Reg Cab 142" SLE, 4WD Reg Cab 142" SLE	235.5 in	81.8 in	81.8 in	79.9 in	141.6 in	10.2 in	46.9 ft
3500HD CC 2WD Reg Cab 146" WB, 60" CA Pro, 3500HD CC 4WD Reg Cab 146" WB, 60" CA Pro, 3500HD CC 2WD Reg Cab 146" WB, 60" CA SLE, 3500HD CC 4WD Reg Cab 146" WB, 60" CA SLE	235.4 in to 266.1 in	80.8 in to 81.9 in	81.8 in	80.1 in	141.7 in to 172.0 in	8.2 in	47.0 ft
3500HD CC 2WD Reg Cab 171" WB, 84.5" CA Pro, 3500HD CC 4WD Reg Cab 171" WB, 84.5" CA Pro, 3500HD CC 2WD Reg Cab 171" WB, 84.5" CA SLE, 3500HD CC 4WD Reg Cab 171" WB, 84.5" CA SLE	235.4 in to 266.1 in	80.8 in to 81.9 in	81.8 in	80.1 in	141.7 in to 172.0 in	8.2 in	54.0 ft
Pro Double Cab RWD, Pro Double Cab 4WD, SLE Double Cab RWD, SLE Double Cab 4WD, SLT Double Cab RWD, SLT Double Cab 4WD	240.4 in	81.8 in	81.8 in	80.0 in	149.4 in	10.2 in	49.5 ft
Pro Double Cab LB RWD, Pro Double Cab LB 4WD, SLE Double Cab LB RWD, SLE Double Cab LB 4WD, SLT Double Cab RWD LB, SLT Double Cab LB 4WD	256.5 in	81.8 in	81.8 in	79.8 in	162.5 in	10.2 in	53.9 ft
2WD Crew Cab 159" Pro, 4WD Crew Cab 159" Pro, 2WD Crew Cab 159" SLE, 4WD Crew Cab 159" SLE, 2WD Crew Cab 159" SLT, 4WD Crew Cab 159" SLT, 4WD Crew Cab 159" AT4, 4WD Crew Cab 159" Denali	250.1 in	81.8 in	81.8 in	79.8 in	158.9 in	10.1 in	52.7 ft
2WD Crew Cab 172" Pro, 4WD Crew Cab 172" Pro, 2WD Crew Cab 172" SLE, 4WD Crew Cab 172" SLE, 2WD Crew Cab 172" SLT, 4WD Crew Cab 172" SLT, 4WD Crew Cab 172" AT4, 4WD Crew Cab 172" Denali	266.1 in	81.8 in	81.8 in	79.7 in	172.0 in	10.1 in	57.0 ft
3500HD CC 2WD Crew Cab 177" WB, 60" CA Pro, 3500HD CC 4WD Crew Cab 177" WB, 60" CA Pro, 3500HD CC 2WD Crew Cab 177" WB, 60" CA SLE, 3500HD CC 4WD Crew Cab 177" WB, 60" CA SLE	235.4 in to 270.3 in	80.8 in to 81.9 in	81.8 in	80.1 in	141.7 in to 176.8 in	8.2 in	57.5 ft

2023 GMC Sierra 2500HD: weight by trim
Trim	Curb weight	GVWR	Payload
Pro Regular Cab LB RWD, Pro Regular Cab LB 4WD, Pro Crew Cab RWD, Pro Crew Cab LB RWD, SLE LB RWD, Pro Crew Cab 4WD, Pro Crew Cab LB 4WD, SLE LB 4WD, SLE Crew Cab RWD, SLE Crew Cab LB RWD, SLE Crew Cab 4WD, SLE Crew Cab LB 4WD, SLT Crew Cab RWD, SLT Crew Cab LB RWD, SLT Crew Cab 4WD, SLT Crew Cab LB 4WD, AT4 Crew Cab 4WD, AT4 Crew Cab LB 4WD, Denali Crew Cab 4WD, Denali Crew Cab LB 4WD	N/A	N/A	N/A
2WD Reg Cab 142" Pro, 2WD Reg Cab 142" SLE	5,937 lb	9,900 lb	3,963 lb
3500HD CC 2WD Reg Cab 146" WB, 60" CA Pro, 3500HD CC 2WD Reg Cab 146" WB, 60" CA SLE	5,924 lb to 6,442 lb	14,000 lb	7,935 lb
3500HD CC 2WD Reg Cab 171" WB, 84.5" CA Pro, 3500HD CC 2WD Reg Cab 171" WB, 84.5" CA SLE	6,183 lb	14,000 lb	7,817 lb
Pro Double Cab RWD, SLE Double Cab RWD	6,253 lb	10,050 lb	3,797 lb
Pro Double Cab LB RWD, SLE Double Cab LB RWD	6,374 lb	10,200 lb	3,826 lb
4WD Reg Cab 142" Pro, 4WD Reg Cab 142" SLE	6,251 lb	10,250 lb	3,999 lb
3500HD CC 4WD Reg Cab 146" WB, 60" CA Pro, 3500HD CC 4WD Reg Cab 146" WB, 60" CA SLE	6,237 lb to 6,731 lb	14,000 lb	7,567 lb
3500HD CC 4WD Reg Cab 171" WB, 84.5" CA Pro, 3500HD CC 4WD Reg Cab 171" WB, 84.5" CA SLE	6,477 lb	14,000 lb	7,523 lb
2WD Crew Cab 159" Pro, 2WD Crew Cab 159" SLE	6,365 lb	10,150 lb	3,785 lb
2WD Crew Cab 172" Pro, 2WD Crew Cab 172" SLE	6,465 lb	10,300 lb	3,835 lb
3500HD CC 2WD Crew Cab 177" WB, 60" CA Pro, 3500HD CC 2WD Crew Cab 177" WB, 60" CA SLE	5,924 lb to 6,598 lb	14,000 lb	7,402 lb
Pro Double Cab 4WD, SLE Double Cab 4WD	6,568 lb	10,350 lb	3,782 lb
Pro Double Cab LB 4WD, SLE Double Cab LB 4WD	6,662 lb	10,500 lb	3,838 lb
4WD Crew Cab 159" Pro, 4WD Crew Cab 159" SLE	6,657 lb	10,450 lb	3,793 lb
4WD Crew Cab 172" Pro, 4WD Crew Cab 172" SLE	6,754 lb	10,650 lb	3,896 lb
3500HD CC 4WD Crew Cab 177" WB, 60" CA Pro, 3500HD CC 4WD Crew Cab 177" WB, 60" CA SLE	6,237 lb to 6,924 lb	14,000 lb	7,076 lb
SLT Double Cab RWD	6,253 lb	10,250 lb	3,997 lb
SLT Double Cab RWD LB	6,374 lb	10,400 lb	4,026 lb
2WD Crew Cab 159" SLT	6,365 lb	10,350 lb	3,985 lb
2WD Crew Cab 172" SLT	6,465 lb	10,500 lb	4,035 lb
SLT Double Cab 4WD	6,568 lb	10,550 lb	3,982 lb
SLT Double Cab LB 4WD	6,662 lb	10,750 lb	4,088 lb
4WD Crew Cab 159" SLT, 4WD Crew Cab 159" AT4, 4WD Crew Cab 159" Denali	6,657 lb	10,650 lb	3,993 lb
4WD Crew Cab 172" SLT, 4WD Crew Cab 172" AT4, 4WD Crew Cab 172" Denali	6,754 lb	10,850 lb	4,096 lb

2023 GMC Sierra 2500HD: cargo and room by trim
Trim	Front legroom	Rear legroom	Front headroom	Rear headroom
Pro Regular Cab LB RWD, Pro Regular Cab LB 4WD, Pro Crew Cab RWD, Pro Crew Cab LB RWD, SLE LB RWD, Pro Crew Cab 4WD, Pro Crew Cab LB 4WD, SLE LB 4WD, SLE Crew Cab RWD, SLE Crew Cab LB RWD, SLE Crew Cab 4WD, SLE Crew Cab LB 4WD, SLT Crew Cab RWD, SLT Crew Cab LB RWD, SLT Crew Cab 4WD, SLT Crew Cab LB 4WD, AT4 Crew Cab 4WD, AT4 Crew Cab LB 4WD, Denali Crew Cab 4WD, Denali Crew Cab LB 4WD	44.5 in	43.4 in	43.0 in	40.1 in
2WD Reg Cab 142" Pro, 3500HD CC 2WD Reg Cab 146" WB, 60" CA Pro, 4WD Reg Cab 142" Pro, 3500HD CC 4WD Reg Cab 146" WB, 60" CA Pro, 3500HD CC 2WD Reg Cab 146" WB, 60" CA SLE, 2WD Reg Cab 142" SLE, 3500HD CC 4WD Reg Cab 146" WB, 60" CA SLE, 4WD Reg Cab 142" SLE	44.5 in	43.4 in	43.1 in	40.1 in
3500HD CC 2WD Reg Cab 171" WB, 84.5" CA Pro, 3500HD CC 4WD Reg Cab 171" WB, 84.5" CA Pro, 3500HD CC 2WD Reg Cab 171" WB, 84.5" CA SLE, 3500HD CC 4WD Reg Cab 171" WB, 84.5" CA SLE	44.5 in	43.4 in	43.0 in	40.1 in
Pro Double Cab RWD, Pro Double Cab LB RWD, Pro Double Cab 4WD, Pro Double Cab LB 4WD, SLE Double Cab RWD, SLE Double Cab LB RWD, SLE Double Cab 4WD, SLE Double Cab LB 4WD, SLT Double Cab RWD, SLT Double Cab RWD LB, SLT Double Cab 4WD, SLT Double Cab LB 4WD	44.5 in	35.2 in	43.0 in	39.9 in
2WD Crew Cab 159" Pro, 2WD Crew Cab 172" Pro, 3500HD CC 2WD Crew Cab 177" WB, 60" CA Pro, 4WD Crew Cab 159" Pro, 4WD Crew Cab 172" Pro, 3500HD CC 4WD Crew Cab 177" WB, 60" CA Pro, 3500HD CC 2WD Crew Cab 177" WB, 60" CA SLE, 2WD Crew Cab 159" SLE, 2WD Crew Cab 172" SLE, 3500HD CC 4WD Crew Cab 177" WB, 60" CA SLE, 4WD Crew Cab 159" SLE, 4WD Crew Cab 172" SLE, 2WD Crew Cab 159" SLT, 2WD Crew Cab 172" SLT, 4WD Crew Cab 159" SLT, 4WD Crew Cab 172" SLT, 4WD Crew Cab 159" AT4, 4WD Crew Cab 172" AT4, 4WD Crew Cab 159" Denali, 4WD Crew Cab 172" Denali	44.5 in	43.4 in	43.0 in	40.1 in

Weight

Curb weight: 5,937 lb
Kilograms: 2,693 kg
US tons: 3.0 tons

2WD Reg Cab 142" Pro. All trims: 5,937 lb to 6,754 lb.

Heavier than 88% of 18 trucks (2023).

Garage fit

2023 GMC Sierra 2500HD in standard garages, centred
Garage	Fits	Spare length	Each side
Single, 12 x 22 ft	Yes	28.5 in	31.1 in
Single, 14 x 24 ft	Yes	52.5 in	43.1 in
Double, 20 x 20 ft	Yes	4.5 in	79.1 in
Double, 24 x 24 ft	Yes	52.5 in	103.1 in

2023 GMC Sierra 2500HD through a garage door
Door	Fits	Spare width	Above roof
8 ft wide, 7 ft tall	Yes	14.2 in	4.1 in
9 ft wide, 7 ft tall	Yes	26.2 in	4.1 in

Door width check uses the mirrors: 81.8 in.

Your garage

Second car

Garage 12 x 22 ft. Door 9 x 7 ft.

Yes. 28.5 in spare length. 31.1 in each side.
Door: 26.2 in spare width. 4.1 in above the roof.

Size class

Full-size truck.

Longest of 18 trucks (2023).

Median of 18 trucks (2023): 215.0 in long.

Bigger and smaller rivals

2023 GMC Sierra 2500HD and rivals by length
Model	Length	vs Sierra 2500HD
RAM 1500	241.8 in	+6.3 in
GMC Sierra 2500HD	235.5 in	-
Toyota Tundra	233.6 in	-1.9 in
Chevrolet Silverado 1500	231.8 in	-3.7 in
Ford F-150	231.7 in	-3.8 in
Ford F-150 Lightning	231.7 in	-3.8 in

Legroom and headroom

2WD Reg Cab 142" Pro.

Front legroom: 44.5 inMore than 82% of 18 trucks (2023).
Rear legroom: 43.4 inMore than 76% of 18 trucks (2023).
Front headroom: 43.1 inHighest of 18 trucks (2023).
Rear headroom: 40.1 inMore than 76% of 18 trucks (2023).

Tall drivers: front legroom and headroom in the top 25% of trucks.

What this cannot tell you

Outline is a body-style template scaled to these numbers.

Garage fit ignores shelves, steps and open doors.

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

How values are checked