FORCAR
Go Pro

Pontiac Grand Prix Trunk Space

The 2008 Pontiac Grand Prix has 16 cu ft of trunk space: room for 2 checked suitcases or 8 carry-ons.

EPA interior volume · 16 cu ft trunk · 100 cu ft cabin · measured 2008 · Updated Nov 4, 2026
Quick answer

Among 218 sedans and coupes with a similar-sized cabin, the average is 14.6 cu ft, so the Grand Prix sits above it.

What actually fits in a Grand Prix

FIG.01·Pontiac Grand Prix — what fits in the trunk
What you are loadingHow many fitEach item
Checked suitcases227 × 21 × 14″ — 4.6 cu ft
Carry-on cases822 × 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·Pontiac Grand Prix — cabin versus cargo
SpaceVolumeShare of total
Passenger cabin100 cu ft86.2%
Cargo area16 cu ft13.8%
Total interior116 cu ft100%
ROWS 3·SOURCE EPA interior volume

Against cars with a similar cabin

FIG.03·Pontiac Grand Prix against similar cars
MeasureThis car218 sedans and coupes with a similar cabinDifference
Cargo volume16 cu ft14.6 cu ft+1.4 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 Buick Century has 17 cu ft, the Cadillac STS 14 cu ft and the Lincoln Zephyr 16 cu ft, next to 16 cu ft for the Grand Prix.

FIG.04·Pontiac Grand Prix — cars with the same cargo room
CarTrunk volumevs Pontiac Grand PrixChecked suitcasesMeasured
Kia Amanti16 cu ft0 cu ft22009
Saturn Aura16 cu ft0 cu ft22010
Ford Escort16 cu ft0 cu ft22003
Dodge Stratus16 cu ft0 cu ft22006
Jaguar XJ816 cu ft0 cu ft22008
Jaguar XJR16 cu ft0 cu ft22009
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
See plans → Start free →
Free plan available — no credit card needed
Everything on the Pontiac Grand Prix
Recalls82 campaignsFuel economy21 mpg bestReliability3.0/5Common problems4,570 complaintsCheck a VINAgainst this exact buildDimensionsSize, weight, generationsUsed prices302 listingsWhat yours is worthValue by year & mileageWindow stickerOriginal Monroney labelDecode a VINWhat each character meansAbout this car1984–2008

Frequently asked questions

How much cargo space does the Pontiac Grand Prix have?

16 cu ft in the trunk in the 2008 model, with 100 cu ft of passenger space. The average for 218 sedans and coupes with a similar cabin is 14.6 cu ft.

Does the Grand Prix have more cargo space than the Buick Century?

No: 16 cu ft against 17 cu ft for the 2005 Buick Century, about 1 cu ft less.

Has the Grand Prix's trunk got bigger over the years?

Not much overall: 16 cu ft in 1984 and 16 cu ft in 2008, within 2 cu ft in every year we hold.

Which cars have the same cargo room as the Grand Prix?

The closest by volume in the same body family are the Kia Amanti (16 cu ft), Saturn Aura (16 cu ft) and Ford Escort (16 cu ft), against 16 cu ft for the Grand Prix.

Cargo and passenger volumes from EPA interior-volume records, measured 2008 for the Pontiac Grand Prix, 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 →