GMC · 2010–2027 · Gas / Flex-fuel
GMC Terrain MPG by year
The EPA has rated 18 model years of the GMC Terrain, from 2010 to 2027. The most fuel-efficient year is the 2019, at 28 MPG combined in its best configuration. The 2027 model is 4% less efficient than the median small SUV that year (26 vs. 27 MPG).
Combined MPG by model year
- Terrain, most efficient version
- Range across configurations
- Class median
Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.
Every Terrain model year
| Year | Type | Best combined | City / Hwy | Class median | Range | Configs | Fuel / yr |
|---|---|---|---|---|---|---|---|
| 2027 | Gas | 26 MPG lowest 25 |
25 / 28 | 27 | — | 3 | $1,788 |
| 2026 | Gas | 27 MPG lowest 25 |
26 / 28 | 27 | — | 3 | $1,722 |
| 2025 | Gas | 27 MPG lowest 25 |
26 / 28 | 27 | — | 2 | $1,722 |
| 2024 | Gas | 26 MPG lowest 25 |
24 / 29 | 26 | — | 2 | $1,788 |
| 2023 | Gas | 26 MPG | 24 / 29 | 26 | — | 2 | $1,788 |
| 2022 | Gas | 27 MPG lowest 26 |
25 / 30 | 26 | — | 2 | $1,722 |
| 2021 | Gas | 27 MPG lowest 26 |
25 / 30 | 26 | — | 2 | $1,722 |
| 2020 | Gas | 27 MPG lowest 23 |
26 / 30 | 25 | — | 4 | $1,722 |
| 2019 | Gas | 28 MPG lowest 23 |
26 / 30 | 26 | — | 4 | $1,661 |
| 2018 | Gas | 28 MPG lowest 23 |
26 / 30 | 25 | — | 4 | $1,661 |
| 2017 | Gas | 25 MPG lowest 18 |
21 / 31 | 25 | — | 5 | $1,860 |
| 2016 | Gas | 26 MPG lowest 18 |
22 / 31 | 25 | — | 5 | $1,788 |
| 2015 | Flex-fuel | 26 MPG | 22 / 31 | 25 | — | 5 | $1,788 |
| 2014 | Gas | 26 MPG lowest 19 |
22 / 31 | 23 | — | 8 | $1,788 |
| 2013 | Gas | 26 MPG lowest 19 |
22 / 31 | 23 | — | 8 | $1,788 |
| 2012 | Flex-fuel | 26 MPG lowest 19 |
22 / 31 | 20 | — | 8 | $1,788 |
| 2011 | Gas | 26 MPG lowest 19 |
22 / 31 | 19.5 | — | 6 | $1,788 |
| 2010 | Gas | 26 MPG lowest 20 |
22 / 32 | 19 | — | 4 | $1,788 |
Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.
Compare Terrain model years
See how much a newer Terrain would save over an older one.
Models similar to the GMC Terrain
Other GMC Terrain versions
Frequently asked questions
Which GMC Terrain year has the best fuel economy?
The 2018 GMC Terrain, rated up to 28 MPG combined. At 15,000 miles a year with $3.10/gal regular gas, that works out to about $1,661 a year.
Which GMC Terrain year has the worst fuel economy?
The 2017 model, whose most efficient version is rated 25 MPG combined (about $1,860 a year to fuel).
What is the fuel economy of the latest GMC Terrain?
The 2027 GMC Terrain is rated up to 26 MPG combined.