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2023 BMW M8 dimensions: length, width, height, weight, cargo

Length

191.2in long

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191.2 in long111.1 in wheelbase53.0 intall84.1 inwith mirrors
To scale. Dashed: median of 18 convertibles (2023).

Dimensions by trim

2023 BMW M8: outside dimensions by trim
TrimLengthWidthWith mirrorsHeightWheelbaseGround clearanceTurning circle
Competition AWD, Competition AWD191.2 in74.9 in84.1 in53.0 in111.1 in5.0 in39.0 ft
Competition Gran Coupe AWD, 8 Series M850i xDrive AWD, 8 Series M850i xDrive Gran Coupe AWD, 8 Series 840i RWD, 8 Series 840i xDrive AWD, 8 Series 840i Gran Coupe RWD, 8 Series 840i xDrive Gran Coupe AWD, 8 Series ALPINA B8 xDrive Gran Coupe AWD191.2 in74.8 in84.1 in53.0 in119.2 in5.0 in39.0 ft
Competition Gran Coupe AWD191.3 in to 200.9 in74.8 in84.1 in53.1 in to 55.9 in119.2 in5.0 in39.0 ft
2023 BMW M8: weight by trim
TrimCurb weightGVWRPayload
Competition AWD4,295 lbN/AN/A
Competition Gran Coupe AWD4,458 lbN/AN/A
Competition Gran Coupe AWD4,480 lb5,538 lb1,058 lb
Competition AWD4,560 lbN/AN/A
8 Series M850i xDrive AWD4,303 lb to 4,691 lbN/AN/A
8 Series M850i xDrive Gran Coupe AWD4,303 lb to 4,696 lbN/AN/A
8 Series 840i RWD4,156 lb to 4,570 lbN/AN/A
8 Series 840i xDrive AWD4,356 lbN/AN/A
8 Series 840i Gran Coupe RWD4,180 lb to 4,570 lbN/AN/A
8 Series 840i xDrive Gran Coupe AWD4,281 lbN/AN/A
8 Series ALPINA B8 xDrive Gran Coupe AWD4,303 lb to 4,831 lbN/AN/A
2023 BMW M8: cargo and room by trim
TrimCargo, seats upCargo, maxFront legroomRear legroomFront headroomRear headroom
Competition AWD14.8 cu ft14.8 cu ft42.1 in29.5 in38.9 in33.6 in
Competition Gran Coupe AWDN/AN/A42.1 in29.5 in38.9 in34.7 in
Competition Gran Coupe AWDN/A11.0 cu ft42.1 in29.5 in40.6 in34.7 in
Competition AWD12.4 cu ft12.0 cu ft42.1 in29.5 in38.9 in34.7 in
8 Series M850i xDrive AWD, 8 Series 840i RWD, 8 Series 840i xDrive AWDN/A12.4 cu ft42.1 in29.5 in38.9 in34.7 in
8 Series M850i xDrive Gran Coupe AWD, 8 Series 840i Gran Coupe RWD, 8 Series 840i xDrive Gran Coupe AWDN/A15.5 cu ft42.1 in29.5 in38.9 in34.7 in
8 Series ALPINA B8 xDrive Gran Coupe AWDN/A15.5 cu ft42.1 in29.5 in38.9 in34.7 in

Weight

Curb weight
4,295 lb
Kilograms
1,948 kg
US tons
2.1 tons

Competition AWD. All trims: 4,281 lb to 4,560 lb.

Heavier than 88% of 18 convertibles (2023).

Garage fit

2023 BMW M8 in standard garages, centred
GarageFitsSpare lengthEach side
Single, 12 x 22 ftYes72.8 in34.5 in
Single, 14 x 24 ftYes96.8 in46.5 in
Double, 20 x 20 ftYes48.8 in82.5 in
Double, 24 x 24 ftYes96.8 in106.5 in
2023 BMW M8 through a garage door
DoorFitsSpare widthAbove roof
8 ft wide, 7 ft tallYes11.9 in31.0 in
9 ft wide, 7 ft tallYes23.9 in31.0 in

Door width check uses the mirrors: 84.1 in.

Your garage

Second car

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

  • Yes. 72.8 in spare length. 34.5 in each side.
  • Door: 23.9 in spare width. 31.0 in above the roof.

Size class

Full-size convertible.

Longer than 94% of 18 convertibles (2023).

Median of 18 convertibles (2023): 182.8 in long.

Cargo, seats up: 14.8 cu ft. More than 92% of 13 convertibles (2023).

Bigger and smaller rivals

2023 BMW M8 and rivals by length
ModelLengthvs M8Cargo, seats upvs M8
BMW M8191.2 in-14.8 cu ft-
BMW 8 Series191.2 inabout the same14.8 cu ftabout the same
Bentley Continental GT190.9 inabout the same8.3 cu ft-6.5 cu ft
Audi A5187.3 in-3.9 inN/AN/A
Aston Martin Vantage175.8 in-15.4 inN/AN/A

Legroom and headroom

Competition AWD.

Front legroom
42.1 inMore than 45% of 12 convertibles (2023).
Rear legroom
29.5 inLowest of 5 convertibles (2023).
Front headroom
38.9 inMore than 73% of 12 convertibles (2023).
Rear headroom
33.6 inMore than 17% of 7 convertibles (2023).

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