Among 56 SUVs, wagons and vans with a similar-sized cabin, the average is 26.6 cu ft, so the Terrain sits above it.
What actually fits in a Terrain
The trunk grew from 28 cu ft in 2014 to 30 cu ft in 2027. The biggest single change came in 2019: −17 cu ft against the 2018 car.
| What you are loading | How many fit | Each item |
|---|---|---|
| Checked suitcases | 5 | 27 × 21 × 14″ — 4.6 cu ft |
| Carry-on cases | 15 | 22 × 14 × 9″ — 1.6 cu ft |
| Grocery bags | 24 | about 1 cu ft each |
| Golf bags | 4 | full set, about 5 cu ft |
| Folded stroller | Fits | about 6 cu ft |
Cabin or cargo — where the space went
| Space | Volume | Share of total |
|---|---|---|
| Passenger cabin | 104 cu ft | |
| Cargo area | 30 cu ft | |
| Total interior | 134 cu ft |
Against cars with a similar cabin
| Measure | This car | 56 SUVs, wagons and vans with a similar cabin | Difference |
|---|---|---|---|
| Cargo volume | 30 cu ft | 26.6 cu ft | +3.4 cu ft |
| In checked suitcases | 5 | 4 | +1 |
Cars with the same room
Against its closest rivals: the Honda CR-V has 39 cu ft, the Chevrolet Equinox 30 cu ft and the Hyundai Kona 26 cu ft, next to 30 cu ft for the Terrain.
| Car | Trunk volume | vs GMC Terrain | Checked suitcases | Measured |
|---|---|---|---|---|
| Audi A6 allroad | 0 cu ft | 5 | 2026 | |
| Chevrolet Equinox | 0 cu ft | 5 | 2027 | |
| Volkswagen ID.4 | 0 cu ft | 5 | 2026 | |
| Audi RS 6 Avant | 0 cu ft | 5 | 2026 | |
| Volvo XC60 | 0 cu ft | 5 | 2022 | |
| Acura ZDX | 0 cu ft | 5 | 2026 |
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
Frequently asked questions
How much cargo space does the GMC Terrain have?
30 cu ft behind the rear seats in the 2027 model, with 104 cu ft of passenger space. The average for 56 SUVs, wagons and vans with a similar cabin is 26.6 cu ft.
Does the Terrain have more cargo space than the Honda CR-V?
No: 30 cu ft against 39 cu ft for the 2026 Honda CR-V, about 9 cu ft less.
Has the Terrain's trunk got bigger over the years?
Yes: from 28 cu ft in 2014 to 30 cu ft in 2027.
Which cars have the same cargo room as the Terrain?
The closest by volume in the same body family are the Audi A6 allroad (30 cu ft), Chevrolet Equinox (30 cu ft) and Volkswagen ID.4 (30 cu ft), against 30 cu ft for the Terrain.
Mark ForCar as a preferred source and our data shows up first in your Google results. One click, no account.