Buick Encore GX FWD (Flex Fuel) Fuel Economy History
MPG by year — EPA official data.
Best MPG Year
2026
30 MPG combined
Latest Model
2026
30 MPG combined
| Year | Engine | City | Hwy | Combined | Fuel Cost/yr | |
|---|---|---|---|---|---|---|
| 2026 | Gasoline or E85 FFV | 30 | 31 | 30 | $2,250 | Details → |
MPG by year — EPA official data.
| Year | Engine | City | Hwy | Combined | Fuel Cost/yr | |
|---|---|---|---|---|---|---|
| 2026 | Gasoline or E85 FFV | 30 | 31 | 30 | $2,250 | Details → |