GMC · 2018–2019 · Diesel
GMC Terrain Diesel MPG by year
The EPA has rated 2 model years of the GMC Terrain Diesel, from 2018 to 2019. The most fuel-efficient year is the 2019, at 32 MPG combined in its best configuration. The 2019 model is 23% more efficient than the median small SUV that year (32 vs. 26 MPG).
Combined MPG by model year
- Terrain Diesel, 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 Diesel model year
| Year | Type | Best combined | City / Hwy | Class median | Range | Configs | Fuel / yr |
|---|---|---|---|---|---|---|---|
| 2019 | Diesel | 32 MPG | 28 / 38 | 26 | — | 2 | $1,734 |
| 2018 | Diesel | 32 MPG | 28 / 39 | 25 | — | 2 | $1,734 |
Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.
Compare Terrain Diesel model years
See how much a newer Terrain Diesel would save over an older one.
Models similar to the GMC Terrain Diesel
Other GMC Terrain versions
Frequently asked questions
Which GMC Terrain Diesel year has the best fuel economy?
The 2018 GMC Terrain Diesel, rated up to 32 MPG combined. At 15,000 miles a year with $3.70/gal diesel fuel, that works out to about $1,734 a year.
What is the fuel economy of the latest GMC Terrain Diesel?
The 2019 GMC Terrain Diesel is rated up to 32 MPG combined.