2025 head-to-head · Small SUV
2025 GMC Terrain vs Kia Sorento
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 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 2025 Kia Sorento (26 MPG). That's roughly $66 a year, or about $331 over five years.
Your numbers
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Fuel cost over 10 years
- GMC Terrain
- Kia Sorento
Side by side
| GMC Terrain | Kia Sorento | |
|---|---|---|
| $1,722 | Your annual fuel cost | $1,788 |
| 27 MPG | Combined efficiency | 26 MPG |
| 26 MPG | City | 23 MPG |
| 28 MPG | Highway | 31 MPG |
| 332 g/mi | Tailpipe CO₂ (g/mi) | 339 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 | 2.5L 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 Sorento across model years
- GMC Terrain
- Kia Sorento
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 Sorento 79th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2025 GMC Terrain or the 2025 Kia Sorento?
Measured by cost to drive, the GMC Terrain. The GMC Terrain is rated 27 MPG combined and the Kia Sorento 26 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 GMC Terrain vs. the Kia Sorento 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 Kia Sorento.
GMC Terrain vs Kia Sorento in other years
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