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2025 BMW M8 dimensions: length, width, height, weight, cargo

Length

191.3in long

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191.3 in long111.1 in wheelbase53.0 intall84.1 inwith mirrors
To scale. Dashed: median of 35 coupes (2025).

Dimensions by trim

2025 BMW M8: outside dimensions by trim
TrimLengthWidthWith mirrorsHeightWheelbaseGround clearanceTurning circle
Competition Coupe AWD, Competition Convertible AWD191.3 in74.9 in84.1 in53.0 in111.1 in4.8 in to 5.0 in39.0 ft
Competition AWD, 8 Series M850i xDrive Gran Coupe AWD, 8 Series M850i xDrive AWD, 8 Series 840i Gran Coupe RWD, 8 Series 840i xDrive Gran Coupe AWD, 8 Series 840i RWD, 8 Series 840i xDrive AWD191.8 in74.8 in84.1 in53.1 in111.3 in4.8 in39.0 ft
Competition Gran Coupe AWD191.8 in74.8 in84.1 in53.1 in to 55.9 in119.2 in5.1 in42.3 ft
2025 BMW M8: weight by trim
TrimCurb weightGVWRPayload
Competition Coupe AWD, Competition AWD4,295 lbN/AN/A
Competition Gran Coupe AWD4,480 lb5,538 lb1,058 lb
Competition Convertible AWD4,560 lbN/AN/A
8 Series M850i xDrive Gran Coupe AWD4,303 lb to 4,696 lbN/AN/A
8 Series M850i xDrive AWD4,427 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 840i RWD3,902 lb to 4,570 lbN/AN/A
8 Series 840i xDrive AWD4,266 lbN/AN/A
2025 BMW M8: cargo and room by trim
TrimCargo, seats upCargo, maxFront legroomRear legroomFront headroomRear headroom
Competition Coupe AWD14.8 cu ftN/A42.1 in29.5 in38.9 in33.6 in
Competition AWDN/A14.8 cu ft42.1 in29.5 in38.9 in34.7 in
Competition Gran Coupe AWDN/A15.5 cu ft42.1 in29.5 in40.6 in34.7 in
Competition Convertible AWD12.4 cu ftN/A42.1 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 M850i xDrive AWD, 8 Series 840i RWD, 8 Series 840i xDrive AWDN/A10.0 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 Coupe AWD. All trims: 4,266 lb to 4,560 lb.

Heavier than 83% of 36 coupes (2025).

Garage fit

2025 BMW M8 in standard garages, centred
GarageFitsSpare lengthEach side
Single, 12 x 22 ftYes72.7 in34.5 in
Single, 14 x 24 ftYes96.7 in46.5 in
Double, 20 x 20 ftYes48.7 in82.5 in
Double, 24 x 24 ftYes96.7 in106.5 in
2025 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. 72.7 in spare length. 34.5 in each side.
  • Door: 23.9 in spare width. 31.0 in above the roof.

Size class

Full-size coupe.

Longer than 82% of 35 coupes (2025).

Median of 35 coupes (2025): 185.0 in long.

Cargo, seats up: 14.8 cu ft. More than 90% of 21 coupes (2025).

Bigger and smaller rivals

2025 BMW M8 and rivals by length
ModelLengthvs M8Cargo, seats upvs M8
Maserati GranTurismo195.2 in+3.9 in10.9 cu ft-3.9 cu ft
Lamborghini Revuelto194.8 in+3.5 inN/AN/A
Aston Martin Vanquish192.5 in+1.2 in8.8 cu ft-6.0 cu ft
BMW M8191.3 in-14.8 cu ft-
BMW 8 Series191.2 inabout the same14.8 cu ftabout the same
Mercedes-Benz CLE191.0 inabout the sameN/AN/A
BMW M4189.1 in-2.2 in12.0 cu ft-2.8 cu ft
Porsche 911178.8 in-12.5 inN/AN/A

Legroom and headroom

Competition Coupe AWD.

Front legroom
42.1 inMore than 43% of 22 coupes (2025).
Rear legroom
29.5 inMore than 27% of 16 coupes (2025).
Front headroom
38.9 inMore than 64% of 23 coupes (2025).
Rear headroom
33.6 inMore than 19% of 17 coupes (2025).

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