Saturn Ion Trunk Space

The 2007 Saturn Ion has 15 cu ft of trunk space: room for 2 checked suitcases or 7 carry-ons.

EPA interior volume · 15 cu ft trunk · 92 cu ft cabin · measured 2007 · Updated Nov 4, 2026
Quick answer

Among 217 sedans and coupes with a similar-sized cabin, the average is 13.2 cu ft, so the Ion sits above it.

What actually fits in a Ion

It has stayed at about 15 cu ft in every model year we hold, 2003 to 2007.

FIG.01·Saturn Ion — 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

Cabin or cargo — where the space went

FIG.02·Saturn Ion — cabin versus cargo
SpaceVolumeShare of total
Passenger cabin92 cu ft86%
Cargo area15 cu ft14%
Total interior107 cu ft100%
ROWS 3·SOURCE EPA interior volume

Against cars with a similar cabin

FIG.03·Saturn Ion against similar cars
MeasureThis car217 sedans and coupes with a similar cabinDifference
Cargo volume15 cu ft13.2 cu ft+1.8 cu ft
In checked suitcases22+0
ROWS 2·SOURCE ForCar, computed across cars of similar cabin size

Cars with the same room

Against its closest rivals: the Dodge Neon has 13 cu ft, the Chrysler Sebring 14 cu ft and the Toyota Echo 14 cu ft, next to 15 cu ft for the Ion. That makes the Ion the roomiest of the four.

FIG.04·Saturn Ion — cars with the same cargo room
CarTrunk volumevs Saturn IonChecked suitcasesMeasured
Suzuki Aerio15 cu ft0 cu ft22007
Cadillac Eldorado15 cu ft0 cu ft22002
Pontiac Grand Am15 cu ft0 cu ft22005
Infiniti I3015 cu ft0 cu ft22001
Infiniti I3515 cu ft0 cu ft22004
BMW 525i14 cu ft-1 cu ft22007
ROWS 6·SOURCE EPA interior volume + ForCar
Upgrade to Pro

Trunk 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

Frequently asked questions

How much cargo space does the Saturn Ion have?

15 cu ft in the trunk in the 2007 model, with 92 cu ft of passenger space. The average for 217 sedans and coupes with a similar cabin is 13.2 cu ft.

Does the Ion have more cargo space than the Dodge Neon?

Yes: 15 cu ft against 13 cu ft for the 2005 Dodge Neon, about 2 cu ft more.

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

Not much overall: 15 cu ft in 2003 and 15 cu ft in 2007, within 2 cu ft in every year we hold.

Which cars have the same cargo room as the Ion?

The closest by volume in the same body family are the Suzuki Aerio (15 cu ft), Cadillac Eldorado (15 cu ft) and Pontiac Grand Am (15 cu ft), against 15 cu ft for the Ion.

Cargo and passenger volumes from EPA interior-volume records, measured 2007 for the Saturn Ion, 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.
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 →