GMC Terrain FWD Fuel Economy History
MPG by year — EPA official data.
Best MPG Year
2019
32 MPG combined
Latest Model
2026
27 MPG combined
| Year | Engine | City | Hwy | Combined | Fuel Cost/yr | |
|---|---|---|---|---|---|---|
| 2026 | Regular | 26 | 28 | 27 | $2,500 | Details → |
| 2025 | Regular | 26 | 28 | 27 | $2,500 | Details → |
| 2024 | Regular | 24 | 29 | 26 | $2,600 | Details → |
| 2023 | Regular | 24 | 29 | 26 | $2,600 | Details → |
| 2022 | Regular | 25 | 30 | 27 | $2,500 | Details → |
| 2021 | Regular | 25 | 30 | 27 | $2,500 | Details → |
| 2020 | Regular | 26 | 30 | 27 | $2,500 | Details → |
| 2019 | Diesel Diesel | 28 | 39 | 32 | $2,650 | Details → |
| 2018 | Diesel Diesel | 28 | 39 | 32 | $2,650 | Details → |
| 2017 | Regular | 21 | 31 | 25 | $2,700 | Details → |
| 2016 | Regular | 22 | 31 | 26 | $2,600 | Details → |
| 2015 | Regular | 22 | 31 | 26 | $2,600 | Details → |
| 2014 | Gasoline or E85 FFV | 22 | 31 | 26 | $2,600 | Details → |
| 2013 | Regular | 22 | 31 | 26 | $2,600 | Details → |
| 2012 | Gasoline or E85 FFV | 22 | 31 | 26 | $2,600 | Details → |
| 2011 | Regular | 22 | 31 | 26 | $2,600 | Details → |
| 2010 | Regular | 22 | 32 | 26 | $2,600 | Details → |