Pontiac G3 Trunk Space — 12 cu ft and What Fits

Quick answer

Among 206 sedans and coupes with a similar-sized cabin, the average is 13.1 cu ft, so the G3 sits below it.

What actually fits in a G3

FIG.01·Pontiac G3 — what fits in the trunk
What you are loading	How many fit	Each item
Checked suitcases	2	27 × 21 × 14″ — 4.6 cu ft
Carry-on cases	6	22 × 14 × 9″ — 1.6 cu ft
Grocery bags	9	about 1 cu ft each
Golf bags	1	full set, about 5 cu ft
Folded stroller	Fits	about 6 cu ft

ROWS 5·SOURCE ForCar, computed from EPA cargo volume

Cabin or cargo — where the space went

FIG.02·Pontiac G3 — cabin versus cargo
Space	Volume	Share of total
Passenger cabin	91 cu ft	88.3%
Cargo area	12 cu ft	11.7%
Total interior	103 cu ft	100%

ROWS 3·SOURCE EPA interior volume

Against cars with a similar cabin

FIG.03·Pontiac G3 against similar cars
Measure	This car	206 sedans and coupes with a similar cabin	Difference
Cargo volume	12 cu ft	13.1 cu ft	-1.1 cu ft
In checked suitcases	2	2	+0

ROWS 2·SOURCE ForCar, computed across cars of similar cabin size

Cars with the same room

Against its closest rivals: the Chevrolet Cobalt has 14 cu ft and the Hyundai Tiburon 15 cu ft, next to 12 cu ft for the G3. That makes the G3 the tightest of the three.

FIG.04·Pontiac G3 — cars with the same cargo room
Car	Trunk volume	vs Pontiac G3	Checked suitcases	Measured
BMW 325i	12 cu ft	0 cu ft	2	2006
BMW 325xi	12 cu ft	0 cu ft	2	2006
BMW 328xi	12 cu ft	0 cu ft	2	2008
BMW 330xi	12 cu ft	0 cu ft	2	2006
BMW 335d	12 cu ft	0 cu ft	2	2011
BMW 335xi	12 cu ft	0 cu ft	2	2008

ROWS 6·SOURCE EPA interior volume + ForCar

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Everything on the Pontiac G3

Recalls1 campaigns Fuel economy30 mpg best Reliability4.0/5 Common problems18 complaints Check a VINAgainst this exact build Window stickerOriginal Monroney label Decode a VINWhat each character means About this car2009–2010

Frequently asked questions

How much cargo space does the Pontiac G3 have?

12 cu ft in the trunk in the 2010 model, with 91 cu ft of passenger space. The average for 206 sedans and coupes with a similar cabin is 13.1 cu ft.

Does the G3 have more cargo space than the Chevrolet Cobalt?

No: 12 cu ft against 14 cu ft for the 2010 Chevrolet Cobalt, about 2 cu ft less.

Which cars have the same cargo room as the G3?

The closest by volume in the same body family are the BMW 325i (12 cu ft), BMW 325xi (12 cu ft) and BMW 328xi (12 cu ft), against 12 cu ft for the G3.

Cargo and passenger volumes from EPA interior-volume records, measured 2010 for the Pontiac G3, 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 Denis Kataev, founder of ForCar.

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