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Honda Civic Si Trunk Space

The 2018 Honda Civic Si has 15 cu ft of trunk space: room for 2 checked suitcases or 7 carry-ons.

EPA interior volume · 15 cu ft trunk · 0 cu ft cabin · measured 2018 · Updated Nov 4, 2026
Quick answer

It gives 100% of its interior to luggage, more than most cars give.

What actually fits in a Civic Si

FIG.01·Honda Civic Si — what fits in the trunk
What you are loadingHow many fitEach item
Checked suitcases227 × 21 × 14″ — 4.6 cu ft
Carry-on cases722 × 14 × 9″ — 1.6 cu ft
Grocery bags12about 1 cu ft each
Golf bags2full set, about 5 cu ft
Folded strollerFitsabout 6 cu ft
ROWS 5·SOURCE ForCar, computed from EPA cargo volume

Cars with the same room

FIG.04·Honda Civic Si — cars with the same cargo room
CarTrunk volumevs Honda Civic SiChecked suitcasesMeasured
Maybach 5715 cu ft0 cu ft22012
Maybach 6215 cu ft0 cu ft22012
Maybach 62S15 cu ft0 cu ft22012
Cadillac CT615 cu ft0 cu ft22020
Kia Forte15 cu ft0 cu ft22024
Hyundai Genesis15 cu ft0 cu ft22016
ROWS 6·SOURCE EPA interior volume + ForCar
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Everything on the Honda Civic Si
Recalls28 campaignsReliability3.5/5Common problems985 complaintsCheck a VINAgainst this exact buildDimensionsSize, weight, generationsUsed prices977 listingsWhat yours is worthValue by year & mileageInsurance costEstimated per yearWindow stickerOriginal Monroney labelDecode a VINWhat each character meansAbout this car1990–2026

Frequently asked questions

How much cargo space does the Honda Civic Si have?

15 cu ft in the trunk in the 2018 model.

Which cars have the same cargo room as the Civic Si?

The closest by volume in the same body family are the Maybach 57 (15 cu ft), Maybach 62 (15 cu ft) and Maybach 62S (15 cu ft), against 15 cu ft for the Civic Si.

Cargo and passenger volumes from EPA interior-volume records, measured 2018 for the Honda Civic Si, 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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