2018 head-to-head · Small SUV
2018 GMC Terrain Diesel 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.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.70/gal diesel fuel and $3.10/gal regular gas, the most efficient 2018 GMC Terrain Diesel (32 MPG) costs about $1,734 a year to fuel and the 2018 Mitsubishi Outlander (27 MPG) about $1,722.
Your numbers
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Fuel cost over 10 years
- GMC Terrain Diesel
- Mitsubishi Outlander
Side by side
| GMC Terrain Diesel | Mitsubishi Outlander | |
|---|---|---|
| $1,734 | Your annual fuel cost | $1,722 |
| 32 MPG | Combined efficiency | 27 MPG |
| 28 MPG | City | 25 MPG |
| 39 MPG | Highway | 30 MPG |
| 104 cu ft | Passenger volume | — |
| 30 cu ft | Cargo volume | — |
| 319 g/mi | Tailpipe CO₂ (g/mi) | 326 g/mi |
| 7/10 | EPA fuel economy score | 6/10 |
| 6/10 | EPA greenhouse gas score | 6/10 |
| Diesel | Powertrain | Gas |
| Diesel | Fuel | Regular gasoline |
| 1.6L 4-cyl turbo | Engine / motor | 2.4L 4-cyl |
| 6-speed automatic | Transmission | CVT |
| FWD | Drivetrain | FWD |
✓ 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 Diesel vs Mitsubishi Outlander across model years
- GMC Terrain Diesel
- 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 68 2018 small SUVs, the GMC Terrain Diesel ranks 22nd and the Mitsubishi Outlander 18th for lowest fuel cost.
The powertrains differ: the GMC Terrain Diesel is a diesel, while the Mitsubishi Outlander is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2018 GMC Terrain Diesel or the 2018 Mitsubishi Outlander?
Measured by cost to drive, the Mitsubishi Outlander. The GMC Terrain Diesel is rated 32 MPG combined and the Mitsubishi Outlander 27 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 GMC Terrain Diesel vs. the Mitsubishi Outlander per year?
At 15,000 miles a year with $3.70/gal diesel fuel and $3.10/gal regular gas, about $1,734 for the GMC Terrain Diesel and $1,722 for the Mitsubishi Outlander.
GMC Terrain Diesel vs Mitsubishi Outlander in other years
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