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BMW i8 Trunk Space

The 2020 BMW i8 has 5 cu ft of trunk space: room for 2 carry-ons, but not a checked suitcase.

EPA interior volume · 5 cu ft trunk · 81 cu ft cabin · measured 2020 · Updated Nov 4, 2026
Quick answer

Among 98 sedans and coupes with a similar-sized cabin, the average is 10.4 cu ft, so the i8 carries less than 93% of them. It gives 5.8% of its interior to luggage, one of the smallest shares we measure. A folded stroller will not fit alongside luggage.

What actually fits in a i8

It has stayed at about 5 cu ft in every model year we hold, 2014 to 2020.

FIG.01·BMW i8 — what fits in the trunk
What you are loadingHow many fitEach item
Checked suitcases027 × 21 × 14″ — 4.6 cu ft
Carry-on cases222 × 14 × 9″ — 1.6 cu ft
Grocery bags4about 1 cu ft each
Golf bags0full set, about 5 cu ft
Folded strollerDoes not fitabout 6 cu ft
ROWS 5·SOURCE ForCar, computed from EPA cargo volume

Cabin or cargo — where the space went

FIG.02·BMW i8 — cabin versus cargo
SpaceVolumeShare of total
Passenger cabin81 cu ft94.2%
Cargo area5 cu ft5.8%
Total interior86 cu ft100%
ROWS 3·SOURCE EPA interior volume

Against cars with a similar cabin

FIG.03·BMW i8 against similar cars
MeasureThis car98 sedans and coupes with a similar cabinDifference
Cargo volume5 cu ft10.4 cu ft-5.4 cu ft
In checked suitcases01-1
ROWS 2·SOURCE ForCar, computed across cars of similar cabin size

Cars with the same room

FIG.04·BMW i8 — cars with the same cargo room
CarTrunk volumevs BMW i8Checked suitcasesMeasured
Mini Cooper Convertible5 cu ft0 cu ft02025
Aston Martin DB95 cu ft0 cu ft02016
Lexus LC5 cu ft0 cu ft02026
Ferrari Portofino5 cu ft0 cu ft02021
Ferrari Portofino M5 cu ft0 cu ft02023
Polestar 14 cu ft-1 cu ft02021
ROWS 6·SOURCE EPA interior volume + ForCar
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Frequently asked questions

How much cargo space does the BMW i8 have?

5 cu ft in the trunk in the 2020 model, with 81 cu ft of passenger space. The average for 98 sedans and coupes with a similar cabin is 10.4 cu ft.

Has the i8's trunk got bigger over the years?

Not much overall: 5 cu ft in 2014 and 5 cu ft in 2020, within 2 cu ft in every year we hold.

Will a stroller fit in a i8?

Not with luggage. A folded stroller needs about 6 cu ft and the i8 offers 5 cu ft in total.

Which cars have the same cargo room as the i8?

The closest by volume in the same body family are the Mini Cooper Convertible (5 cu ft), Aston Martin DB9 (5 cu ft) and Lexus LC (5 cu ft), against 5 cu ft for the i8.

Cargo and passenger volumes from EPA interior-volume records, measured 2020 for the BMW i8, 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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