2015 head-to-head · Small SUV
2015 GMC Terrain vs Subaru Forester
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2015 Subaru Forester is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,722 a year to fuel (27 MPG), versus $1,788 for the 2015 GMC Terrain (26 MPG). That's roughly $66 a year, or about $331 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- GMC Terrain
- Subaru Forester
Side by side
| GMC Terrain | Subaru Forester | |
|---|---|---|
| $1,788 | Your annual fuel cost | $1,722 |
| 26 MPG | Combined efficiency | 27 MPG |
| 22 MPG | City | 24 MPG |
| 31 MPG | Highway | 31 MPG |
| 100 cu ft | Passenger volume | — |
| 28 cu ft | Cargo volume | — |
| 347 g/mi | Tailpipe CO₂ (g/mi) | 332 g/mi |
| 6/10 | EPA fuel economy score | 7/10 |
| 6/10 | EPA greenhouse gas score | 7/10 |
| Flex-fuel | Powertrain | Gas |
| Regular gasoline or E85 | Fuel | Regular gasoline |
| 2.4L 4-cyl | Engine / motor | 2.5L 4-cyl |
| 6-speed automatic | Transmission | CVT |
| FWD | Drivetrain | AWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
GMC Terrain vs Subaru Forester across model years
- GMC Terrain
- Subaru Forester
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Among 60 2015 small SUVs, the GMC Terrain ranks 18th and the Subaru Forester 12th for lowest fuel cost.
The powertrains differ: the GMC Terrain is a flex-fuel model, while the Subaru Forester is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2015 GMC Terrain or the 2015 Subaru Forester?
Measured by cost to drive, the Subaru Forester. The GMC Terrain is rated 26 MPG combined and the Subaru Forester 27 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 GMC Terrain vs. the Subaru Forester per year?
At 15,000 miles a year with $3.10/gal regular gas, about $1,788 for the GMC Terrain and $1,722 for the Subaru Forester.
GMC Terrain vs Subaru Forester in other years
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