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Buick Century Trunk Space

The 2005 Buick Century has 17 cu ft of trunk space: room for 2 checked suitcases or 8 carry-ons.

EPA interior volume · 17 cu ft trunk · 102 cu ft cabin · measured 2005 · Updated Nov 3, 2026
Quick answer

Among 200 sedans and coupes with a similar-sized cabin, the average is 14.9 cu ft, so the Century carries more than 82% of them.

What actually fits in a Century

FIG.01·Buick Century — 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 bags13about 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·Buick Century — cabin versus cargo
SpaceVolumeShare of total
Passenger cabin102 cu ft85.7%
Cargo area17 cu ft14.3%
Total interior119 cu ft100%
ROWS 3·SOURCE EPA interior volume

Against cars with a similar cabin

FIG.03·Buick Century against similar cars
MeasureThis car200 sedans and coupes with a similar cabinDifference
Cargo volume17 cu ft14.9 cu ft+2.1 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 Lincoln Zephyr has 16 cu ft, the Jaguar S-Type 12 cu ft and the Dodge Stratus 16 cu ft, next to 17 cu ft for the Century. That makes the Century the roomiest of the four.

FIG.04·Buick Century — cars with the same cargo room
CarTrunk volumevs Buick CenturyChecked suitcasesMeasured
Pontiac G817 cu ft0 cu ft22009
Buick Lucerne17 cu ft0 cu ft22011
BMW 745i18 cu ft+1 cu ft32005
BMW 745Li18 cu ft+1 cu ft32005
Kia Amanti16 cu ft-1 cu ft22009
Saturn Aura16 cu ft-1 cu ft22010
ROWS 6·SOURCE EPA interior volume + ForCar
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Everything on the Buick Century
Recalls71 campaignsFuel economy27 mpg bestReliability3.5/5Common problems2,040 complaintsCheck a VINAgainst this exact buildDimensionsSize, weight, generationsUsed prices245 listingsWhat yours is worthValue by year & mileageWindow stickerOriginal Monroney labelDecode a VINWhat each character meansAbout this car1981–2005

Frequently asked questions

How much cargo space does the Buick Century have?

17 cu ft in the trunk in the 2005 model, with 102 cu ft of passenger space. The average for 200 sedans and coupes with a similar cabin is 14.9 cu ft.

Does the Century have more cargo space than the Lincoln Zephyr?

Yes: 17 cu ft against 16 cu ft for the 2006 Lincoln Zephyr, about 1 cu ft more.

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

Not much overall: 16 cu ft in 1984 and 17 cu ft in 2005, within 2 cu ft in every year we hold.

Which cars have the same cargo room as the Century?

The closest by volume in the same body family are the Pontiac G8 (17 cu ft), Buick Lucerne (17 cu ft) and BMW 745i (18 cu ft), against 17 cu ft for the Century.

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