GMC Terrain — All Years
| Year | Engine | Fuel | MPG (UK) | NHTSA |
|---|---|---|---|---|
| 2024 | 1.5L 4-cyl | Regular Gasoline | 31 | 5★ |
| 2023 | 1.5L 4-cyl | Regular Gasoline | 31 | 5★ |
| 2022 | 1.5L 4-cyl | Regular Gasoline | 32 | 5★ |
| 2021 | 1.5L 4-cyl | Regular Gasoline | 32 | 5★ |
| 2020 | 2L 4-cyl | Regular Gasoline | 31 | 5★ |
| 2019 | 1.6L 4-cyl | Premium Gasoline | 34 | 5★ |
| 2018 | 1.6L 4-cyl | Premium Gasoline | 34 | 5★ |
| 2017 | 2.4L 4-cyl | Regular Gasoline | 28 | 4★ |
| 2016 | 2.4L 4-cyl | Regular Gasoline | 28 | 4★ |
| 2015 | 2.4L 4-cyl | Regular Gasoline | 28 | 4★ |
| 2014 | 3.6L 6-cyl | Regular Gasoline | 28 | 4★ |
| 2013 | 3.6L 6-cyl | Regular Gasoline | 28 | 4★ |
| 2012 | 3L 6-cyl | Regular Gasoline | 28 | 4★ |
| 2011 | 3L 6-cyl | Regular Gasoline | 24 | 4★ |
| 2010 | 3L 6-cyl | Regular Gasoline | 28 | — |
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