MPGCheck

BMW M850i xDrive Convertible Fuel Economy History

MPG by year — EPA official data.

Best MPG Year
2020
20 MPG combined
Latest Model
2026
19 MPG combined
YearEngineCityHwyCombinedFuel Cost/yr
2026Premium172419$4,300Details →
2025Premium172419$4,300Details →
2024Premium172419$4,300Details →
2023Premium172419$4,300Details →
2022Premium172419$4,300Details →
2021Premium172419$4,300Details →
2020Premium172520$4,100Details →
2019Premium172620$4,100Details →