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2023 GMC Sierra 3500HD dimensions: length, width, height, weight, cargo

Length

235.5in long

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235.5 in long141.6 in wheelbase80.9 intall81.8 inwith mirrors
To scale. Dashed: median of 18 trucks (2023).

Dimensions by trim

2023 GMC Sierra 3500HD: outside dimensions by trim
TrimLengthWidthWith mirrorsHeightWheelbaseGround clearanceTurning circle
Pro Regular Cab LB RWD, Pro Regular Cab LB DRW RWD, Pro Double Cab LB RWD, Pro Regular Cab LB 4WD, Pro Double Cab LB DRW RWD, Pro Regular Cab LB DRW 4WD, Pro Double Cab LB 4WD, Pro Crew Cab LB DRW RWD, Pro Double Cab LB DRW 4WD, SLE Regular Cab LB RWD, SLE Regular Cab LB DRW RWD, Pro Crew Cab LB DRW 4WD, SLE Double LB RWD, SLE Regular Cab LB 4WD, SLE Double LB DRW RWD, SLE Regular Cab LB DRW 4WD, SLE Double Cab LB 4WD, SLE Crew Cab LB DRW RWD, SLE Double Cab LB DRW 4WD, SLE Crew Cab LB DRW 4WD, SLT Crew Cab LB DRW RWD, SLT Crew Cab LB DRW 4WD, Denali Crew Cab LB DRW 4WD266.1 in81.9 in81.8 in80.7 in172.0 inN/A57.0 ft
2WD Reg Cab 142" Pro, 4WD Reg Cab 142" Pro, 2WD Reg Cab 142" SLE, 4WD Reg Cab 142" SLE235.5 in81.8 in81.8 in80.9 in141.6 in11.2 in46.9 ft
2WD Double Cab 162" Pro, 4WD Double Cab 162" Pro, 2WD Double Cab 162" SLE, 4WD Double Cab 162" SLE256.5 in81.8 in81.8 in80.9 in162.5 in11.2 in53.9 ft
Pro Crew Cab RWD, Pro Crew Cab 4WD, SLE Crew Cab RWD, SLE Crew Cab 4WD, SLT Crew Cab RWD, SLT Crew Cab 4WD, AT4 Crew Cab 4WD, Denali Crew Cab 4WD250.1 in81.8 in81.8 in80.9 in158.9 in11.2 in52.7 ft
Pro Crew Cab LB RWD, Pro Crew Cab LB 4WD, SLE Crew Cab LB RWD, SLE Crew Cab LB 4WD, SLT Crew Cab LB RWD, SLT Crew Cab LB 4WD, AT4 Crew Cab LB 4WD, Denali Crew Cab LB 4WD266.1 in81.8 in81.8 in80.7 in172.0 in11.1 in57.0 ft
2023 GMC Sierra 3500HD: weight by trim
TrimCurb weightGVWRPayload
Pro Regular Cab LB RWD, Pro Regular Cab LB DRW RWD, Pro Double Cab LB RWD, Pro Regular Cab LB 4WD, Pro Double Cab LB DRW RWD, Pro Regular Cab LB DRW 4WD, Pro Double Cab LB 4WD, Pro Crew Cab LB DRW RWD, Pro Double Cab LB DRW 4WD, SLE Regular Cab LB RWD, SLE Regular Cab LB DRW RWD, Pro Crew Cab LB DRW 4WD, SLE Double LB RWD, SLE Regular Cab LB 4WD, SLE Double LB DRW RWD, SLE Regular Cab LB DRW 4WD, SLE Double Cab LB 4WD, SLE Crew Cab LB DRW RWD, SLE Double Cab LB DRW 4WD, SLE Crew Cab LB DRW 4WD, SLT Crew Cab LB DRW RWD, SLT Crew Cab LB DRW 4WD, Denali Crew Cab LB DRW 4WDN/AN/AN/A
2WD Reg Cab 142" Pro, 2WD Reg Cab 142" SLE6,339 lb10,750 lb4,411 lb
2WD Double Cab 162" Pro, 2WD Double Cab 162" SLE6,796 lb11,100 lb4,304 lb
4WD Reg Cab 142" Pro, 4WD Reg Cab 142" SLE6,636 lb11,100 lb4,464 lb
Pro Crew Cab RWD, SLE Crew Cab RWD, SLT Crew Cab RWD6,466 lb11,000 lb4,534 lb
Pro Crew Cab LB RWD, SLE Crew Cab LB RWD, SLT Crew Cab LB RWD6,887 lb11,150 lb4,263 lb
4WD Double Cab 162" Pro, 4WD Double Cab 162" SLE7,079 lb11,400 lb4,321 lb
Pro Crew Cab 4WD, SLE Crew Cab 4WD, SLT Crew Cab 4WD, AT4 Crew Cab 4WD, Denali Crew Cab 4WD6,766 lb11,350 lb4,584 lb
Pro Crew Cab LB 4WD, SLE Crew Cab LB 4WD, SLT Crew Cab LB 4WD, AT4 Crew Cab LB 4WD, Denali Crew Cab LB 4WD7,172 lb11,500 lb4,328 lb
2023 GMC Sierra 3500HD: cargo and room by trim
TrimFront legroomRear legroomFront headroomRear headroom
Pro Regular Cab LB RWD, Pro Regular Cab LB DRW RWD, Pro Double Cab LB RWD, Pro Regular Cab LB 4WD, Pro Double Cab LB DRW RWD, Pro Regular Cab LB DRW 4WD, Pro Double Cab LB 4WD, Pro Crew Cab LB DRW RWD, Pro Double Cab LB DRW 4WD, SLE Regular Cab LB RWD, SLE Regular Cab LB DRW RWD, Pro Crew Cab LB DRW 4WD, SLE Double LB RWD, SLE Regular Cab LB 4WD, SLE Double LB DRW RWD, SLE Regular Cab LB DRW 4WD, SLE Double Cab LB 4WD, SLE Crew Cab LB DRW RWD, SLE Double Cab LB DRW 4WD, SLE Crew Cab LB DRW 4WD, SLT Crew Cab LB DRW RWD, SLT Crew Cab LB DRW 4WD, Denali Crew Cab LB DRW 4WD44.5 in43.4 in43.0 in40.1 in
2WD Reg Cab 142" Pro, 4WD Reg Cab 142" Pro, 2WD Reg Cab 142" SLE, 4WD Reg Cab 142" SLE44.5 in43.4 in43.1 in40.1 in
2WD Double Cab 162" Pro, 4WD Double Cab 162" Pro, 2WD Double Cab 162" SLE, 4WD Double Cab 162" SLE44.5 in35.2 in43.0 in39.9 in
Pro Crew Cab RWD, Pro Crew Cab LB RWD, Pro Crew Cab 4WD, Pro Crew Cab 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 4WD44.5 in43.4 in43.0 in40.1 in

Weight

Curb weight
6,339 lb
Kilograms
2,875 kg
US tons
3.2 tons

2WD Reg Cab 142" Pro. All trims: 6,339 lb to 7,172 lb.

Heavier than 94% of 18 trucks (2023).

Garage fit

2023 GMC Sierra 3500HD in standard garages, centred
GarageFitsSpare lengthEach side
Single, 12 x 22 ftYes28.5 in31.1 in
Single, 14 x 24 ftYes52.5 in43.1 in
Double, 20 x 20 ftYes4.5 in79.1 in
Double, 24 x 24 ftYes52.5 in103.1 in
2023 GMC Sierra 3500HD through a garage door
DoorFitsSpare widthAbove roof
8 ft wide, 7 ft tallYes14.2 in3.1 in
9 ft wide, 7 ft tallYes26.2 in3.1 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. 3.1 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 3500HD and rivals by length
ModelLengthvs Sierra 3500HD
RAM 1500241.8 in+6.3 in
GMC Sierra 3500HD235.5 in-
Toyota Tundra233.6 in-1.9 in
Chevrolet Silverado 1500231.8 in-3.7 in
Ford F-150231.7 in-3.8 in
Ford F-150 Lightning231.7 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.

How values are checked