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2026 BMW 8 Series dimensions: length, width, height, weight, cargo

Length

200.3in long

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200.3 in long119.0 in wheelbase53.0 intall84.1 inwith mirrors
To scale. Dashed: median of 31 coupes (2026).

Dimensions by trim

2026 BMW 8 Series: outside dimensions by trim
TrimLengthWidthWith mirrorsHeightWheelbaseGround clearanceTurning circle
840i RWD200.3 in74.8 in84.1 in53.0 in119.0 in4.8 in39.0 ft
840i xDrive AWD, M850i xDrive AWD, M850i Edition M Heritage Gran Coupe xDrive200.3 in74.8 in84.1 in53.0 in119.0 in4.9 in39.0 ft
840i Coupe RWD191.1 in74.9 in84.1 in52.8 in111.1 in4.8 in38.2 ft
840i Gran Coupe RWD, 840i xDrive Gran Coupe AWD200.3 in74.8 in84.1 in55.4 in119.0 in5.0 in40.4 ft
840i xDrive Coupe191.1 in74.9 in84.1 in52.8 in111.1 in4.8 in39.0 ft
840i Convertible RWD191.1 in74.9 in84.1 in52.7 in111.1 in4.6 in38.2 ft
840i xDrive Convertible191.1 in74.9 in84.1 in52.7 in111.1 in4.6 in39.0 ft
M850i xDrive Gran Coupe AWD200.3 in74.8 in84.1 in55.4 in119.0 in5.0 in41.3 ft
M850i xDrive Coupe, M850i xDrive Convertible191.2 in74.9 in84.1 in53.0 in111.1 in5.0 in39.0 ft
2026 BMW 8 Series: weight by trim
TrimCurb weight
840i RWD3,902 lb to 4,769 lb
840i xDrive AWD4,012 lb to 4,769 lb
840i Coupe RWD3,933 lb to 4,769 lb
840i Gran Coupe RWD4,180 lb to 4,769 lb
840i xDrive Coupe4,081 lb to 4,769 lb
840i xDrive Gran Coupe AWD4,281 lb to 4,769 lb
840i Convertible RWD4,211 lb to 4,769 lb
840i xDrive Convertible4,356 lb to 4,769 lb
M850i xDrive Gran Coupe AWD4,696 lb
M850i xDrive Coupe4,478 lb
M850i xDrive AWD4,427 lb
M850i xDrive Convertible4,736 lb
M850i Edition M Heritage Gran Coupe xDrive4,453 lb
2026 BMW 8 Series: cargo and room by trim
TrimCargo, seats upCargo, maxFront legroomRear legroomFront headroomRear headroom
840i RWD, 840i xDrive AWD, M850i xDrive AWD14.8 cu ft10.0 cu ft42.1 in29.5 in38.9 in34.7 in
840i Coupe RWD, 840i xDrive Coupe, M850i xDrive Coupe14.8 cu ft10.0 cu ft42.1 in29.5 in38.9 in33.6 in
840i Gran Coupe RWD, 840i xDrive Gran Coupe AWD, M850i xDrive Gran Coupe AWDN/A15.5 cu ft42.1 in29.5 in39.1 in34.7 in
840i Convertible RWD, 840i xDrive Convertible, M850i xDrive Convertible12.4 cu ftN/A42.1 in29.5 in38.9 in34.7 in
M850i Edition M Heritage Gran Coupe xDrive14.8 cu ft10.0 cu ft42.1 in29.5 in38.9 in34.7 in

Weight

840i RWD: curb weight not listed.

Garage fit

2026 BMW 8 Series in standard garages, centred
GarageFitsSpare lengthEach side
Single, 12 x 22 ftYes63.7 in34.6 in
Single, 14 x 24 ftYes87.7 in46.6 in
Double, 20 x 20 ftYes39.7 in82.6 in
Double, 24 x 24 ftYes87.7 in106.6 in
2026 BMW 8 Series 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. 63.7 in spare length. 34.6 in each side.
  • Door: 23.9 in spare width. 31.0 in above the roof.

Size class

Full-size coupe.

Longer than 97% of 31 coupes (2026).

Median of 31 coupes (2026): 184.5 in long.

Cargo, seats up: 14.8 cu ft. More than 94% of 19 coupes (2026).

Bigger and smaller rivals

2026 BMW 8 Series and rivals by length
ModelLengthvs 8 SeriesCargo, seats upvs 8 Series
BMW 8 Series200.3 in-14.8 cu ft-
BMW M4189.1 in-11.2 in12.0 cu ft-2.8 cu ft
Lexus LC187.4 in-12.9 inN/AN/A
Chevrolet Corvette E-Ray184.5 in-15.8 in13.0 cu ft-1.8 cu ft
Lotus Emira173.7 in-26.6 in5.3 cu ft-9.5 cu ft

Legroom and headroom

840i RWD.

Front legroom
42.1 inMore than 45% of 21 coupes (2026).
Rear legroom
29.5 inMore than 18% of 12 coupes (2026).
Front headroom
38.9 inMore than 79% of 20 coupes (2026).
Rear headroom
34.7 inMore than 36% of 12 coupes (2026).

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