A3

Audi A3 Trunk Space

The Audi A3 holds 8 cu ft — that is 1 checked suitcases or 4 carry-ons, with the boot loaded properly rather than to the brim.

EPA interior volume · 8 cu ft boot · 89 cu ft cabin · measured 2026 · Updated Sep 19, 2026
Quick answer

The Audi A3 has 8 cu ft of cargo space. In practice that is 1 checked suitcases, or 4 carry-ons, or about 6 supermarket bags. A folded pushchair fits. Against 208 cars with a similar-sized cabin it sits below the average of 14.3 cu ft.

What actually fits in a A3

Cubic feet are an abstraction — 8 cu ft means nothing until you load it. Here is the same number in things people actually load, 1 checked cases or 4 carry-ons for the Audi A3, with a packing allowance — a boot is not a cube, and corners go to waste.

FIG.01·Audi A3 — what fits in the boot
What you are loadingHow many fitEach item
Checked suitcases127 × 21 × 14″ — 4.6 cu ft
Carry-on cases422 × 14 × 9″ — 1.6 cu ft
Supermarket bags6about 1 cu ft each
Golf bags1full set, about 5 cu ft
Folded pushchairFitsabout 6 cu ft
ROWS 5·SOURCE ForCar, computed from EPA cargo volume

Counts assume 80% usable volume: luggage does not tessellate, and a wheel arch eats the rest.

Cabin or boot — where the space went

Every car is a fixed envelope, and designers decide how to split it between people and things — the Audi A3 gives 8.2% of its 97 cu ft to luggage. The share below is the honest way to compare an estate with a coupé of the same footprint, and among 208 cars with a cabin within eight cubic feet of the Audi A3 the boot averages 14.3 cu ft.

FIG.02·Audi A3 — cabin versus cargo
SpaceVolumeShare of total
Passenger cabin89 cu ft91.8%
Cargo area8 cu ft8.2%
Total interior97 cu ft100%
ROWS 3·SOURCE EPA interior volume

Under 15% to luggage — the space went to passengers, not their bags.

Against cars with a similar cabin

Compared with 208 models whose passenger space is within eight cubic feet — a fairer group than marketing classes, which put an estate and a coupé in the same bracket.

FIG.03·Audi A3 against similar cars
MeasureThis carSimilar carsDifference
Cargo volume8 cu ft14.3 cu ft-6.3 cu ft
In checked suitcases12-1
ROWS 2·SOURCE ForCar, computed across cars of similar cabin size

Cars with the same room

Closest matches by trunk volume — useful when the boot is the deciding factor and the badge is not. The Audi A3 sits at 8 cu ft, so these are the cars that carry the same load.

FIG.04·Audi A3 — cars with the same cargo room
CarTrunk volumevs Audi A3Checked suitcasesMeasured
Chevrolet Camaro8 cu ft0 cu ft12024
Audi RS 38 cu ft0 cu ft12026
Audi S38 cu ft0 cu ft12026
BMW 330e9 cu ft+1 cu ft12024
Maserati Grancabrio7 cu ft-1 cu ft12026
Maserati Granturismo9 cu ft+1 cu ft12026
ROWS 6·SOURCE EPA interior volume + ForCar
Upgrade to Pro

Boot space is one number. Buying is a longer list.

  • Check a VIN for recalls, complaints and its exact build
  • Exact value for that car, adjusted for its mileage
  • The original window sticker and factory options
  • Full research report as a PDF you can hand to a mechanic
  • No ads, on every page
  • No ads, no tracking — and much more
Free plan available — no credit card needed

How we count

Cargo and passenger volumes come from EPA interior-volume records — the same figures manufacturers file for the window sticker, measured to a standard method rather than claimed in a brochure.

The luggage counts are ours — 1 checked cases for the Audi A3 come out of its 8 cu ft. We assume 80% usable volume, because a boot is not a cube: wheel arches, a sloping tailgate and the shape of the cases themselves waste the rest, which is why the Audi A3 counts as 6.4 cu ft of usable space rather than 8. Suitcase sizes are the airline standards — 22 × 14 × 9″ for carry-on, 27 × 21 × 14″ for checked, so the Audi A3 takes 4 of the small ones. Numbers are deliberately conservative; if we say four cases fit, four cases fit.

Frequently asked questions

How much cargo space does the Audi A3 have?

8 cu ft behind the rear seats, plus 89 cu ft of passenger cabin.

How many suitcases fit in a A3?

About 1 checked cases (27 × 21 × 14″) or 4 carry-ons, allowing for the fact that a boot is not a perfect cube.

Will a pushchair fit in a A3?

Yes — a folded pushchair takes roughly 6 cu ft and this car has 8, so it fits with room for shopping.

Is that a lot for this size of car?

Compared with 208 cars of a similar cabin size, it is below the average of 14.3 cu ft.

Cargo and passenger volumes from EPA interior-volume records, measured 2026 for the Audi A3, seats up. Luggage capacity computed by ForCar at 80% usable volume against airline-standard case sizes. Last updated Sep 2026. — ForCar Reviewed by , founder of ForCar.
Found this useful?

Mark ForCar as a preferred source and our data shows up first in your Google results. One click, no account.

Prefer ForCar →