EPA-verified MPG for all 31 variants (2015–2026)
X6 by model year — click a row to jump to that year
| Year | Best MPG | Avg MPG | Variants |
|---|---|---|---|
| 2026 | 23 MPG | 21 MPG | 2 |
| 2025 | 24 MPG | 22 MPG | 2 |
| 2024 | 24 MPG | 22 MPG | 2 |
| 2023 | 23 MPG | 21 MPG | 2 |
| 2022 | 23 MPG | 21 MPG | 2 |
| 2021 | 23 MPG | 21 MPG | 3 |
| 2020 | 23 MPG | 21 MPG | 3 |
| 2019 | 20 MPG | 20 MPG | 3 |
| 2018 | 21 MPG | 19 MPG | 3 |
| 2017 | 21 MPG | 19 MPG | 3 |
| 2016 | 21 MPG | 19 MPG | 3 |
| 2015 | 22 MPG | 20 MPG | 3 |