GMC Terrain MPG by year

EPA combined, city, and highway gas mileage for every GMC Terrain model year.

Year	Combined	City	Highway
2027	25–26	24	28
2026	25–27	25	28
2025	25–27	25	28
2024	25–26	24	28
2023	26	24	28
2022	26–27	25	29
2021	26–27	25	29
2020	23–27	24	28
2019	23–32	25	32
2018	23–32	25	32
2017	18–25	19	27
2016	18–26	19	27
2015	19–26	19	27
2014	19–26	19	26
2013	19–26	19	26
2012	19–26	19	26
2011	19–26	18	25
2010	20–26	19	28