Cadillac Optiq Trunk Space — 26 cu ft and What Fits

Quick answer

Among 63 SUVs, wagons and vans with a similar-sized cabin, the average is 26.5 cu ft, so the Optiq sits right on it.

What actually fits in a Optiq

FIG.01·Cadillac Optiq — what fits in the trunk
What you are loading	How many fit	Each item
Checked suitcases	4	27 × 21 × 14″ — 4.6 cu ft
Carry-on cases	13	22 × 14 × 9″ — 1.6 cu ft
Grocery bags	20	about 1 cu ft each
Golf bags	4	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·Cadillac Optiq — cabin versus cargo
Space	Volume	Share of total
Passenger cabin	102 cu ft	79.7%
Cargo area	26 cu ft	20.3%
Total interior	128 cu ft	100%

ROWS 3·SOURCE EPA interior volume

Against cars with a similar cabin

FIG.03·Cadillac Optiq against similar cars
Measure	This car	63 SUVs, wagons and vans with a similar cabin	Difference
Cargo volume	26 cu ft	26.5 cu ft	-0.5 cu ft
In checked suitcases	4	4	+0

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

Cars with the same room

Against its closest rivals: the Honda Prologue has 26 cu ft, the Lamborghini URUS 16 cu ft and the Audi Q8 28 cu ft, next to 26 cu ft for the Optiq.

FIG.04·Cadillac Optiq — cars with the same cargo room
Car	Trunk volume	vs Cadillac Optiq	Checked suitcases	Measured
Toyota Crown Signia	26 cu ft	0 cu ft	4	2026
Hyundai Kona	26 cu ft	0 cu ft	4	2024
Honda Prologue	26 cu ft	0 cu ft	4	2026
Audi Q4	26 cu ft	0 cu ft	4	2026
Buick Envision	25 cu ft	-1 cu ft	4	2023
Hyundai Ioniq 5	27 cu ft	+1 cu ft	4	2022

ROWS 6·SOURCE EPA interior volume + ForCar

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Everything on the Cadillac Optiq

Recalls6 campaigns Fuel economy105 mpg best Reliability4.0/5 Common problems12 complaints Check a VINAgainst this exact build DimensionsSize, weight, generations Window stickerOriginal Monroney label Decode a VINWhat each character means About this car2025–2026

Frequently asked questions

How much cargo space does the Cadillac Optiq have?

26 cu ft behind the rear seats in the 2026 model, with 102 cu ft of passenger space. The average for 63 SUVs, wagons and vans with a similar cabin is 26.5 cu ft.

Does the Optiq have more cargo space than the Honda Prologue?

About the same: 26 cu ft against 26 cu ft for the 2026 Honda Prologue.

Which cars have the same cargo room as the Optiq?

The closest by volume in the same body family are the Toyota Crown Signia (26 cu ft), Hyundai Kona (26 cu ft) and Honda Prologue (26 cu ft), against 26 cu ft for the Optiq.

Cargo and passenger volumes from EPA interior-volume records, measured 2026 for the Cadillac Optiq, 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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