BMW M440i Convertible: MPG and fuel economy by year
The EPA has rated the BMW M440i Convertible across 6 model years, from the 2021 BMW M440i Convertible through the 2026 BMW M440i Convertible. The most recent 2026 BMW M440i Convertible returns 29 combined MPG.
Pick a year below to open the full BMW M440i Convertible 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 BMW M440i Convertible. 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 BMW M440i Convertible | 29 MPG | 27 MPG | 33 MPG | $2,400 |
| 2025 | 2025 BMW M440i Convertible | 29 MPG | 27 MPG | 33 MPG | $2,400 |
| 2024 | 2024 BMW M440i Convertible | 26 MPG | 23 MPG | 31 MPG | $2,650 |
| 2023 | 2023 BMW M440i Convertible | 26 MPG | 23 MPG | 31 MPG | $2,650 |
| 2022 | 2022 BMW M440i Convertible | 26 MPG | 23 MPG | 31 MPG | $2,650 |
| 2021 | 2021 BMW M440i Convertible | 26 MPG | 23 MPG | 31 MPG | $2,650 |
How the BMW M440i Convertible compares against the Subcompact Cars class
Buyers usually compare the BMW M440i Convertible against other cars in the same EPA class. The list below shows the most efficient cars in the Subcompact Cars 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.