Buick Park Avenue Trunk Space

The 2005 Buick Park Avenue has 19 cu ft of trunk space: room for 3 checked suitcases or 9 carry-ons.

EPA interior volume · 19 cu ft trunk · 111 cu ft cabin · measured 2005 · Updated Nov 3, 2026
Quick answer

Among 100 sedans and coupes with a similar-sized cabin, the average is 15.7 cu ft, so the Park Avenue carries more than 82% of them.

What actually fits in a Park Avenue

FIG.01·Buick Park Avenue — what fits in the trunk
What you are loadingHow many fitEach item
Checked suitcases327 × 21 × 14″ — 4.6 cu ft
Carry-on cases922 × 14 × 9″ — 1.6 cu ft
Grocery bags15about 1 cu ft each
Golf bags3full 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·Buick Park Avenue — cabin versus cargo
SpaceVolumeShare of total
Passenger cabin111 cu ft85.4%
Cargo area19 cu ft14.6%
Total interior130 cu ft100%
ROWS 3·SOURCE EPA interior volume

Against cars with a similar cabin

FIG.03·Buick Park Avenue against similar cars
MeasureThis car100 sedans and coupes with a similar cabinDifference
Cargo volume19 cu ft15.7 cu ft+3.3 cu ft
In checked suitcases32+1
ROWS 2·SOURCE ForCar, computed across cars of similar cabin size

Cars with the same room

Against its closest rivals: the Cadillac Deville has 19 cu ft, the Chrysler 300C 24 cu ft and the Dodge Intrepid 18 cu ft, next to 19 cu ft for the Park Avenue.

FIG.04·Buick Park Avenue — cars with the same cargo room
CarTrunk volumevs Buick Park AvenueChecked suitcasesMeasured
Chrysler Concorde19 cu ft0 cu ft32004
Cadillac Deville19 cu ft0 cu ft32005
Cadillac DTS19 cu ft0 cu ft32011
Chrysler LHS19 cu ft0 cu ft32001
BMW 745i18 cu ft-1 cu ft32005
BMW 745Li18 cu ft-1 cu ft32005
ROWS 6·SOURCE EPA interior volume + ForCar
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Frequently asked questions

How much cargo space does the Buick Park Avenue have?

19 cu ft in the trunk in the 2005 model, with 111 cu ft of passenger space. The average for 100 sedans and coupes with a similar cabin is 15.7 cu ft.

Does the Park Avenue have more cargo space than the Cadillac Deville?

About the same: 19 cu ft against 19 cu ft for the 2005 Cadillac Deville.

Has the Park Avenue's trunk got bigger over the years?

Not much overall: 20 cu ft in 1991 and 19 cu ft in 2005, within 2 cu ft in every year we hold.

Which cars have the same cargo room as the Park Avenue?

The closest by volume in the same body family are the Chrysler Concorde (19 cu ft), Cadillac Deville (19 cu ft) and Cadillac DTS (19 cu ft), against 19 cu ft for the Park Avenue.

Cargo and passenger volumes from EPA interior-volume records, measured 2005 for the Buick Park Avenue, 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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