Buick Encore GX AWD: MPG and fuel economy by year
The EPA has rated the Buick Encore GX AWD across 7 model years, from the 2020 Buick Encore GX AWD through the 2026 Buick Encore GX AWD. The most recent 2026 Buick Encore GX AWD returns 27 combined MPG. The most efficient model year was the 2021 Buick Encore GX AWD at 28 MPG.
Pick a year below to open the full Buick Encore GX AWD page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.
Fuel economy by model year
Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the Buick Encore GX AWD. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.
| Year | Model | Combined MPG | City | Highway | Annual fuel cost |
|---|---|---|---|---|---|
| 2026 | 2026 Buick Encore GX AWD | 27 MPG | 26 MPG | 28 MPG | $2,200 |
| 2025 | 2025 Buick Encore GX AWD | 27 MPG | 26 MPG | 28 MPG | $2,200 |
| 2024 | 2024 Buick Encore GX AWD | 27 MPG | 26 MPG | 28 MPG | $2,200 |
| 2023 | 2023 Buick Encore GX AWD | 27 MPG | 26 MPG | 29 MPG | $2,200 |
| 2022 | 2022 Buick Encore GX AWD | 27 MPG | 26 MPG | 29 MPG | $2,200 |
| 2021 | 2021 Buick Encore GX AWD | 28 MPG | 26 MPG | 29 MPG | $2,150 |
| 2020 | 2020 Buick Encore GX AWD | 28 MPG | 26 MPG | 29 MPG | $2,150 |
How the Buick Encore GX AWD compares against the Small Sport Utility Vehicle 4WD class
Buyers usually compare the Buick Encore GX AWD against other cars in the same EPA class. The list below shows the most efficient cars in the Small Sport Utility Vehicle 4WD class for the 2026 model year, the latest year on this page. Each link opens the full page for that car.
Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.