2025 head-to-head · Small SUV
2025 GMC Terrain vs Kia Sportage
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 2025 Kia Sportage is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,661 a year to fuel (28 MPG), versus $1,722 for the 2025 GMC Terrain (27 MPG). That's roughly $62 a year, or about $308 over five years.
Your numbers
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Fuel cost over 10 years
- GMC Terrain
- Kia Sportage
Side by side
| GMC Terrain | Kia Sportage | |
|---|---|---|
| $1,722 | Your annual fuel cost | $1,661 |
| 27 MPG | Combined efficiency | 28 MPG |
| 26 MPG | City | 25 MPG |
| 28 MPG | Highway | 32 MPG |
| 332 g/mi | Tailpipe CO₂ (g/mi) | 317 g/mi |
| 5/10 | EPA fuel economy score | 6/10 |
| 5/10 | EPA greenhouse gas score | 6/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 1.5L 4-cyl turbo | Engine / motor | 2.5L 4-cyl |
| CVT | Transmission | 8-speed automatic |
| 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 vs Kia Sportage across model years
- GMC Terrain
- Kia Sportage
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 133 2025 small SUVs, the GMC Terrain ranks 77th and the Kia Sportage 68th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2025 GMC Terrain or the 2025 Kia Sportage?
Measured by cost to drive, the Kia Sportage. The GMC Terrain is rated 27 MPG combined and the Kia Sportage 28 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 GMC Terrain vs. the Kia Sportage per year?
At 15,000 miles a year with $3.10/gal regular gas, about $1,722 for the GMC Terrain and $1,661 for the Kia Sportage.
GMC Terrain vs Kia Sportage in other years
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