2026 head-to-head · Small SUV
2026 GMC Terrain vs Mitsubishi Outlander
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 2026 GMC Terrain 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 2026 Mitsubishi Outlander (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
- Mitsubishi Outlander
Side by side
| GMC Terrain | Mitsubishi Outlander | |
|---|---|---|
| $1,722 | Your annual fuel cost | $1,788 |
| 27 MPG | Combined efficiency | 26 MPG |
| 26 MPG | City | 23 MPG |
| 28 MPG | Highway | 29 MPG |
| 329 g/mi | Tailpipe CO₂ (g/mi) | 344 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 1.5L 4-cyl turbo | Engine / motor | 2.0L 4-cyl |
| CVT | Transmission | CVT |
| FWD | Drivetrain | 4WD |
✓ 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 Mitsubishi Outlander across model years
- GMC Terrain
- Mitsubishi Outlander
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 114 2026 small SUVs, the GMC Terrain ranks 65th and the Mitsubishi Outlander 70th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2026 GMC Terrain or the 2026 Mitsubishi Outlander?
Measured by cost to drive, the GMC Terrain. The GMC Terrain is rated 27 MPG combined and the Mitsubishi Outlander 26 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 GMC Terrain vs. the Mitsubishi Outlander per year?
At 15,000 miles a year with $3.10/gal regular gas, about $1,722 for the GMC Terrain and $1,788 for the Mitsubishi Outlander.
GMC Terrain vs Mitsubishi Outlander in other years
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