BMW M4 Trunk Space

The 2020 BMW M4 has 11 cu ft of trunk space: room for 1 checked suitcase or 5 carry-ons.

EPA interior volume · 11 cu ft trunk · 91 cu ft cabin · measured 2020 · Updated Nov 4, 2026
Quick answer

Among 206 sedans and coupes with a similar-sized cabin, the average is 13.1 cu ft, so the M4 sits below it.

What actually fits in a M4

FIG.01·BMW M4 — what fits in the trunk
What you are loadingHow many fitEach item
Checked suitcases127 × 21 × 14″ — 4.6 cu ft
Carry-on cases522 × 14 × 9″ — 1.6 cu ft
Grocery bags8about 1 cu ft each
Golf bags1full set, about 5 cu ft
Folded strollerFitsabout 6 cu ft
ROWS 5·SOURCE ForCar, computed from EPA cargo volume

Cabin or cargo — where the space went

FIG.02·BMW M4 — cabin versus cargo
SpaceVolumeShare of total
Passenger cabin91 cu ft89.2%
Cargo area11 cu ft10.8%
Total interior102 cu ft100%
ROWS 3·SOURCE EPA interior volume

Against cars with a similar cabin

FIG.03·BMW M4 against similar cars
MeasureThis car206 sedans and coupes with a similar cabinDifference
Cargo volume11 cu ft13.1 cu ft-2.1 cu ft
In checked suitcases12-1
ROWS 2·SOURCE ForCar, computed across cars of similar cabin size

Cars with the same room

FIG.04·BMW M4 — cars with the same cargo room
CarTrunk volumevs BMW M4Checked suitcasesMeasured
Cadillac CT411 cu ft0 cu ft12026
Cadillac CT511 cu ft0 cu ft12026
Audi e-tron GT11 cu ft0 cu ft12024
Cadillac ELR11 cu ft0 cu ft12016
Lexus IS11 cu ft0 cu ft12026
Audi RS e-tron GT11 cu ft0 cu ft12026
ROWS 6·SOURCE EPA interior volume + ForCar
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Frequently asked questions

How much cargo space does the BMW M4 have?

11 cu ft in the trunk in the 2020 model, with 91 cu ft of passenger space. The average for 206 sedans and coupes with a similar cabin is 13.1 cu ft.

Which cars have the same cargo room as the M4?

The closest by volume in the same body family are the Cadillac CT4 (11 cu ft), Cadillac CT5 (11 cu ft) and Audi e-tron GT (11 cu ft), against 11 cu ft for the M4.

Cargo and passenger volumes from EPA interior-volume records, measured 2020 for the BMW M4, seats up. Luggage capacity computed by ForCar at 80% usable volume against airline-standard case sizes (how we count). Last updated Nov 2026. — ForCar Reviewed by , founder of ForCar.
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