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2021 GMC Sierra 1500 dimensions: length, width, height, weight, cargo

Length

229.6in long

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229.6 in long139.6 in wheelbase75.4 intall81.2 inwith mirrors
To scale. Dashed: median of 12 trucks (2021).

Dimensions by trim

2021 GMC Sierra 1500: outside dimensions by trim
TrimLengthWidthWith mirrorsHeightWheelbaseGround clearanceTurning circle
LB RWD, LB 4WD, Elevation Standard Double Cab 4WD, Elevation Standard Crew Cab 4WD229.6 in81.1 in81.2 in75.4 in139.6 in8.1 in49.5 ft
2WD Reg Cab 140"229.6 in81.2 in81.2 in75.6 in139.6 in8.1 in44.7 ft
Double Cab RWD, SLE Double Cab RWD231.8 in81.2 in81.2 in75.6 in147.4 in7.9 in to 8.1 in46.3 ft
4WD Reg Cab 140"229.6 in81.2 in81.2 in75.6 in139.6 in8.1 in to 8.3 in44.7 ft
Crew Cab RWD, SLE Crew Cab RWD, Elevation Crew Cab RWD, SLT Crew Cab RWD, Denali Crew Cab RWD231.7 in81.2 in81.2 in75.5 in147.4 in7.9 in to 8.1 in46.3 ft
Double Cab 4WD, SLE Double Cab 4WD231.8 in81.2 in81.2 in75.6 in147.4 in8.1 in46.3 ft
Crew Cab 4WD, SLE Crew Cab 4WD, SLT Crew Cab 4WD, Denali Crew Cab 4WD231.7 in81.2 in81.2 in75.5 in147.4 in8.1 in46.3 ft
Crew Cab LB 4WD, SLE Crew Cab LB 4WD, Elevation Crew Cab LB 4WD, SLT Crew Cab LB 4WD, Denali Crew Cab LB 4WD241.3 in81.2 in81.2 in75.4 in157.0 in8.0 in49.5 ft
Elevation Double Cab RWD231.8 in81.2 in81.2 in75.6 in147.4 in7.9 in to 8.1 in46.9 ft
4WD Double Cab 147" Elevation w/3VL, 4WD Double Cab 147" Elevation w/3SB231.8 in81.2 in81.2 in75.6 in147.4 in8.1 in46.9 ft
Elevation Double Cab 4WD231.8 in81.2 in81.2 in75.6 in147.4 in8.1 in46.9 ft
4WD Crew Cab 147" Elevation w/3VL, 4WD Crew Cab 147" Elevation w/3SB231.7 in81.2 in81.2 in75.5 in147.4 in8.1 in46.9 ft
Elevation Crew Cab 4WD231.7 in81.2 in81.2 in75.5 in147.4 in8.1 in46.3 ft
AT4 Crew Cab 4WD231.7 in81.2 in81.2 in75.5 in147.4 in8.1 in to 10.9 in46.3 ft
AT4 Crew Cab LB 4WD241.3 in81.2 in81.2 in75.4 in157.0 in8.0 in to 10.7 in49.5 ft
2021 GMC Sierra 1500: weight by trim
TrimCurb weightGVWRPayload
LB RWD, LB 4WD, Elevation Standard Double Cab 4WD, Elevation Standard Crew Cab 4WDN/AN/AN/A
2WD Reg Cab 140"4,520 lb6,800 lb2,250 lb to 2,431 lb
Double Cab RWD, SLE Double Cab RWD, Elevation Double Cab RWD4,599 lb6,800 lb2,201 lb
4WD Reg Cab 140"4,582 lb6,900 lb2,318 lb
Crew Cab RWD, SLE Crew Cab RWD, Elevation Crew Cab RWD4,602 lb6,800 lb2,198 lb
Double Cab 4WD4,888 lb7,000 lb2,020 lb to 2,185 lb
Crew Cab 4WD4,888 lb7,000 lb2,010 lb to 2,185 lb
Crew Cab LB 4WD4,867 lb7,000 lb2,020 lb to 2,133 lb
4WD Double Cab 147" Elevation w/3VL, 4WD Double Cab 147" Elevation w/3SB, 4WD Crew Cab 147" Elevation w/3VL, 4WD Crew Cab 147" Elevation w/3SB4,815 lb7,000 lb2,185 lb
SLE Double Cab 4WD4,888 lb7,000 lb2,050 lb to 2,185 lb
Elevation Double Cab 4WD4,920 lb6,970 lb2,050 lb
SLE Crew Cab 4WD4,888 lb7,000 lb2,040 lb to 2,185 lb
SLE Crew Cab LB 4WD, Elevation Crew Cab LB 4WD4,888 lb7,000 lb2,000 lb to 2,133 lb
SLT Crew Cab RWD, Denali Crew Cab RWD4,602 lb6,900 lb2,298 lb
Elevation Crew Cab 4WD4,920 lb6,960 lb2,040 lb
SLT Crew Cab 4WD, Denali Crew Cab 4WD4,815 lb7,100 lb2,030 lb to 2,285 lb
SLT Crew Cab LB 4WD, Denali Crew Cab LB 4WD4,867 lb7,100 lb1,980 lb to 2,233 lb
AT4 Crew Cab 4WD4,815 lb7,000 lb2,030 lb to 2,185 lb
AT4 Crew Cab LB 4WD4,867 lb7,100 lb1,770 lb to 2,233 lb
2021 GMC Sierra 1500: cargo and room by trim
TrimCargo, maxFront legroomRear legroomFront headroomRear headroom
LB RWD, LB 4WD, Elevation Standard Double Cab 4WD, Elevation Standard Crew Cab 4WDN/A44.5 in43.4 in43.0 in40.1 in
2WD Reg Cab 140", 4WD Reg Cab 140"N/A44.5 in43.4 in43.1 in40.1 in
Double Cab RWD, SLE Double Cab RWD, Elevation Double Cab RWD71.7 cu ft44.5 in35.2 in43.0 in39.9 in
Crew Cab RWD, Crew Cab 4WD, Crew Cab LB 4WD, SLE Crew Cab RWD, Elevation Crew Cab RWD, SLE Crew Cab 4WD, 4WD Crew Cab 147" Elevation w/3VL, SLE Crew Cab LB 4WD, SLT Crew Cab RWD, 4WD Crew Cab 147" Elevation w/3SB, Elevation Crew Cab LB 4WD, SLT Crew Cab 4WD, SLT Crew Cab LB 4WD, AT4 Crew Cab 4WD, Denali Crew Cab RWD, AT4 Crew Cab LB 4WD, Denali Crew Cab 4WD, Denali Crew Cab LB 4WDN/A44.5 in43.4 in43.0 in40.1 in
Double Cab 4WD, SLE Double Cab 4WD71.7 cu ft44.5 in35.2 in43.0 in39.9 in
4WD Double Cab 147" Elevation w/3VL, 4WD Double Cab 147" Elevation w/3SBN/A44.5 in35.2 in43.0 in39.9 in
Elevation Double Cab 4WD71.7 cu ft44.5 in35.2 in43.0 in39.9 in
Elevation Crew Cab 4WDN/A44.5 in43.4 in43.0 in40.1 in

Weight

LB RWD: curb weight not listed.

Garage fit

2021 GMC Sierra 1500 in standard garages, centred
GarageFitsSpare lengthEach side
Single, 12 x 22 ftYes34.4 in31.5 in
Single, 14 x 24 ftYes58.4 in43.5 in
Double, 20 x 20 ftYes10.4 in79.5 in
Double, 24 x 24 ftYes58.4 in103.5 in
2021 GMC Sierra 1500 through a garage door
DoorFitsSpare widthAbove roof
8 ft wide, 7 ft tallYes14.8 in8.6 in
9 ft wide, 7 ft tallYes26.8 in8.6 in

Door width check uses the mirrors: 81.2 in.

Your garage

Second car

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

  • Yes. 34.4 in spare length. 31.5 in each side.
  • Door: 26.8 in spare width. 8.6 in above the roof.

Size class

Full-size truck.

Longer than 82% of 12 trucks (2021).

Median of 12 trucks (2021): 215.3 in long.

Bigger and smaller rivals

2021 GMC Sierra 1500 and rivals by length
ModelLengthvs Sierra 1500
RAM 1500232.9 in+3.3 in
Ford F-150231.7 in+2.1 in
GMC Sierra 1500229.6 in-
Chevrolet Silverado 1500229.5 inabout the same
GMC Canyon212.4 in-17.2 in
Toyota Tacoma212.3 in-17.3 in
Nissan Frontier205.5 in-24.1 in

Legroom and headroom

LB RWD.

Front legroom
44.5 inMore than 75% of 13 trucks (2021).
Rear legroom
43.4 inMore than 75% of 13 trucks (2021).
Front headroom
43.0 inMore than 92% of 13 trucks (2021).
Rear headroom
40.1 inMore than 75% of 13 trucks (2021).

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