EPA-verified MPG for all 23 variants (2017–2026)
330i by model year — click a row to jump to that year
| Year | Best MPG | Avg MPG | Variants |
|---|---|---|---|
| 2026 | 31 MPG | 30 MPG | 2 |
| 2025 | 31 MPG | 30 MPG | 2 |
| 2024 | 29 MPG | 28 MPG | 2 |
| 2023 | 29 MPG | 28 MPG | 2 |
| 2022 | 30 MPG | 29 MPG | 2 |
| 2021 | 30 MPG | 29 MPG | 2 |
| 2020 | 30 MPG | 29 MPG | 2 |
| 2019 | 30 MPG | 28 MPG | 3 |
| 2018 | 27 MPG | 27 MPG | 3 |
| 2017 | 27 MPG | 26 MPG | 3 |