2020 GMC Terrain
4 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| Terrain AWD | 21 | 26 | 23 | Premium Gasoline | All-Wheel Drive | 2L 4-cyl Turbo | Automatic 9-spd |
| Terrain AWD | 25 | 28 | 26 | Regular Gasoline | All-Wheel Drive | 1.5L 4-cyl Turbo | Automatic 9-spd |
| Terrain FWD | 22 | 28 | 24 | Premium Gasoline | Front-Wheel Drive | 2L 4-cyl Turbo | Automatic 9-spd |
| Terrain FWD | 26 | 30 | 27 | Regular Gasoline | Front-Wheel Drive | 1.5L 4-cyl Turbo | Automatic 9-spd |