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2021 BMW Z4 dimensions: length, width, height, weight, cargo

Length

170.7in long

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170.7 in long97.2 in wheelbase51.4 intall79.7 inwith mirrors
To scale. Dashed: median of 15 convertibles (2021).

Dimensions by trim

2021 BMW Z4: outside dimensions by trim
TrimLengthWidthWith mirrorsHeightWheelbaseTurning circle
sDrive 30i Roadster 2D RWD, M40i RWD170.7 in73.2 in79.7 in51.4 in97.2 in36.1 ft
sDrive30i RWD, sDriveM40i Roadster RWD170.7 in73.4 in79.7 in51.4 in97.2 in36.1 ft
2021 BMW Z4: weight by trim
TrimCurb weight
sDrive 30i Roadster 2D RWD, sDrive30i RWD3,287 lb
M40i RWD, sDriveM40i Roadster RWD3,457 lb
2021 BMW Z4: cargo and room by trim
TrimCargo, seats upFront legroomFront headroom
sDrive 30i Roadster 2D RWD, M40i RWD9.9 cu ft42.2 in38.9 in
sDrive30i RWD, sDriveM40i Roadster RWD9.9 cu ft42.2 in38.9 in

Weight

Curb weight
3,287 lb
Kilograms
1,491 kg
US tons
1.6 tons

sDrive30i RWD. All trims: 3,287 lb to 3,457 lb.

Heavier than 36% of 15 convertibles (2021).

Garage fit

2021 BMW Z4 in standard garages, centred
GarageFitsSpare lengthEach side
Single, 12 x 22 ftYes93.3 in35.3 in
Single, 14 x 24 ftYes117.3 in47.3 in
Double, 20 x 20 ftYes69.3 in83.3 in
Double, 24 x 24 ftYes117.3 in107.3 in
2021 BMW Z4 through a garage door
DoorFitsSpare widthAbove roof
8 ft wide, 7 ft tallYes16.3 in32.6 in
9 ft wide, 7 ft tallYes28.3 in32.6 in

Door width check uses the mirrors: 79.7 in.

Your garage

Second car

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

  • Yes. 93.3 in spare length. 35.3 in each side.
  • Door: 28.3 in spare width. 32.6 in above the roof.

Size class

Subcompact convertible.

Longer than 14% of 15 convertibles (2021).

Median of 15 convertibles (2021): 181.5 in long.

Cargo, seats up: 9.9 cu ft. More than 33% of 10 convertibles (2021).

Bigger and smaller rivals

2021 BMW Z4 and rivals by length
ModelLengthvs Z4Cargo, seats upvs Z4
Audi A5187.2 in+16.5 inN/AN/A
Ferrari Portofino180.6 in+9.9 in10.3 cu ftabout the same
BMW 2 Series178.5 in+7.8 in11.8 cu ft+1.9 cu ft
Porsche 718 Boxster172.4 in+1.7 in4.4 cu ft-5.5 cu ft
BMW Z4170.7 in-9.9 cu ft-

Legroom and headroom

sDrive30i RWD.

Front legroom
42.2 inMore than 80% of 11 convertibles (2021).
Front headroom
38.9 inMore than 44% of 10 convertibles (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