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2021 BMW M3 dimensions: length, width, height, weight, cargo

Length

189.1in long

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189.1 in long112.5 in wheelbase56.4 intall81.4 inwith mirrors
To scale. Dashed: median of 81 sedans (2021).

Dimensions by trim

2021 BMW M3: outside dimensions by trim
TrimsLengthWidthWith mirrorsHeightWheelbaseGround clearanceTurning circle
All 2 trims189.1 in74.3 in81.4 in56.4 in112.5 in4.7 in20.0 ft to 40.0 ft
2021 BMW M3: weight by trim
TrimCurb weightGVWRPayload
RWD3,840 lb4,898 lb1,058 lb
Competition RWD3,759 lb to 3,890 lb4,948 lb1,058 lb
2021 BMW M3: cargo and room by trim
TrimsCargo, seats upCargo, maxFront legroomRear legroomFront headroomRear headroom
All 2 trims13.0 cu ft13.0 cu ft41.6 in35.6 in40.6 in37.8 in

Weight

Curb weight
3,840 lb
Kilograms
1,742 kg
US tons
1.9 tons

RWD.

Heavier than 56% of 81 sedans (2021).

Garage fit

2021 BMW M3 in standard garages, centred
GarageFitsSpare lengthEach side
Single, 12 x 22 ftYes74.9 in34.9 in
Single, 14 x 24 ftYes98.9 in46.9 in
Double, 20 x 20 ftYes50.9 in82.8 in
Double, 24 x 24 ftYes98.9 in106.8 in
2021 BMW M3 through a garage door
DoorFitsSpare widthAbove roof
8 ft wide, 7 ft tallYes14.6 in27.6 in
9 ft wide, 7 ft tallYes26.6 in27.6 in

Door width check uses the mirrors: 81.4 in.

Your garage

Second car

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

  • Yes. 74.9 in spare length. 34.9 in each side.
  • Door: 26.6 in spare width. 27.6 in above the roof.

Size class

Mid-size sedan.

Longer than 39% of 81 sedans (2021).

Median of 81 sedans (2021): 192.9 in long.

Cargo, seats up: 13.0 cu ft. More than 23% of 74 sedans (2021).

Bigger and smaller rivals

2021 BMW M3 and rivals by length
ModelLengthvs M3Cargo, seats upvs M3
Audi A7195.6 in+6.5 in24.9 cu ft+11.9 cu ft
Porsche Taycan195.4 in+6.3 in14.3 cu ft+1.3 cu ft
Audi S6195.0 in+5.9 in13.7 cu ft+0.7 cu ft
Audi A6 Allroad194.9 in+5.8 in30.0 cu ft+17.0 cu ft
BMW M3189.1 in-13.0 cu ft-
Audi A4187.5 in-1.6 in12.0 cu ft-1.0 cu ft
Audi A4 Allroad187.5 in-1.6 in24.2 cu ft+11.2 cu ft
Audi S4187.5 in-1.6 in12.0 cu ft-1.0 cu ft
Volvo S60187.4 in-1.7 in11.6 cu ft-1.4 cu ft

Legroom and headroom

RWD.

Front legroom
41.6 inMore than 28% of 79 sedans (2021).
Rear legroom
35.6 inMore than 42% of 80 sedans (2021).
Front headroom
40.6 inMore than 92% of 79 sedans (2021).
Rear headroom
37.8 inMore than 68% of 80 sedans (2021).

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