2026 GMC Terrain fuel economy
The EPA lists 3 versions of the 2026 GMC Terrain. Combined fuel economy ranges from 25 to 27 MPG; the most efficient version is rated 26 city / 28 highway.
At a glance
- Combined
- 25 to 27 MPG depending on version
- City and highway
- 26 and 28 most efficient version
- Yearly fuel cost
- $2,500 EPA estimate, most efficient version
Source: U.S. EPA fueleconomy.gov
Every version the EPA tested
| Version | Engine | Drive | City | Highway | Combined | Yearly fuel cost |
|---|---|---|---|---|---|---|
| Terrain FWD Automatic (variable gear ratios) | 4-cyl 1.5L | Front-Wheel Drive | 26 | 28 | 27 MPG | $2,500 |
| Terrain AWD Automatic 8-spd | 4-cyl 1.5L | All-Wheel Drive | 24 | 28 | 25 MPG | $2,700 |
| Terrain AWD Denali/AT4 Automatic 8-spd | 4-cyl 1.5L | All-Wheel Drive | 24 | 26 | 25 MPG | $2,700 |
At EPA assumptions, the most efficient version costs about $2,500 per year in fuel, versus $2,700 for the least efficient.