BMW M850I MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated BMW M850I model year from 2019 to 2026 — each engine and transmission with its official city, highway and combined figures. Over these years the M850I has been offered with 4.4L 8-cyl engines; the most efficient version is the 2022 (up to 20 MPG combined). Every rated gas version calls for premium gasoline. Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.

BMW M850I fuel economy by year

YearCombinedEnginesMedian used priceFor sale
2026 19 MPG 4.4L 8-cyl
2025 19 MPG 4.4L 8-cyl
2024 19 MPG 4.4L 8-cyl
2023 19 MPG 4.4L 8-cyl
2022 19–20 MPG 4.4L 8-cyl
2021 19–20 MPG 4.4L 8-cyl
2020 20 MPG 4.4L 8-cyl
2019 20 MPG 4.4L 8-cyl

2026 BMW M850I: engines & MPG

The 2026 M850I was EPA-rated in 3 versions (4.4L 8-cyl), with combined economy of 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
M850i xDrive Coupe 4.4L 8-cyl Automatic (S8) Premium 17 24 19 MPG
M850i xDrive Convertible 4.4L 8-cyl Automatic (S8) Premium 17 24 19 MPG
M850i xDrive Gran Coupe 4.4L 8-cyl Automatic (S8) Premium 17 24 19 MPG

2025 BMW M850I: engines & MPG

The 2025 M850I was EPA-rated in 3 versions (4.4L 8-cyl), with combined economy of 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
M850i xDrive Convertible 4.4L 8-cyl Automatic (S8) Premium 17 24 19 MPG
M850i xDrive Gran Coupe 4.4L 8-cyl Automatic (S8) Premium 17 24 19 MPG
M850i xDrive Coupe 4.4L 8-cyl Automatic (S8) Premium 17 24 19 MPG

2024 BMW M850I: engines & MPG

The 2024 M850I was EPA-rated in 3 versions (4.4L 8-cyl), with combined economy of 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
M850i xDrive Convertible 4.4L 8-cyl Automatic (S8) Premium 17 24 19 MPG
M850i xDrive Gran Coupe 4.4L 8-cyl Automatic (S8) Premium 17 24 19 MPG
M850i xDrive Coupe 4.4L 8-cyl Automatic (S8) Premium 17 24 19 MPG

2023 BMW M850I: engines & MPG

The 2023 M850I was EPA-rated in 3 versions (4.4L 8-cyl), with combined economy of 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
M850i xDrive Coupe 4.4L 8-cyl Automatic (S8) Premium 17 24 19 MPG
M850i xDrive Gran Coupe 4.4L 8-cyl Automatic (S8) Premium 17 24 19 MPG
M850i xDrive Convertible 4.4L 8-cyl Automatic (S8) Premium 17 24 19 MPG

2022 BMW M850I: engines & MPG

The 2022 M850I was EPA-rated in 3 versions (4.4L 8-cyl), with combined economy from 19 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
M850i xDrive Coupe 4.4L 8-cyl Automatic (S8) Premium 17 25 20 MPG
M850i xDrive Convertible 4.4L 8-cyl Automatic (S8) Premium 17 24 19 MPG
M850i xDrive Gran Coupe 4.4L 8-cyl Automatic (S8) Premium 17 24 19 MPG

2021 BMW M850I: engines & MPG

The 2021 M850I was EPA-rated in 3 versions (4.4L 8-cyl), with combined economy from 19 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
M850i xDrive Coupe 4.4L 8-cyl Automatic (S8) Premium 17 25 20 MPG
M850i xDrive Gran Coupe 4.4L 8-cyl Automatic (S8) Premium 17 24 19 MPG
M850i xDrive Convertible 4.4L 8-cyl Automatic (S8) Premium 17 24 19 MPG

2020 BMW M850I: engines & MPG

The 2020 M850I was EPA-rated in 3 versions (4.4L 8-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
M850i xDrive Coupe 4.4L 8-cyl Automatic (S8) Premium 18 25 20 MPG
M850i xDrive Convertible 4.4L 8-cyl Automatic (S8) Premium 17 25 20 MPG
M850i xDrive Gran Coupe 4.4L 8-cyl Automatic (S8) Premium 17 25 20 MPG

2019 BMW M850I: engines & MPG

The 2019 M850I was EPA-rated in 2 versions (4.4L 8-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
M850i xDrive Convertible 4.4L 8-cyl Automatic (S8) Premium 17 26 20 MPG
M850i xDrive Coupe 4.4L 8-cyl Automatic (S8) Premium 18 25 20 MPG

Frequently asked questions

What MPG does a BMW M850I get?

Depending on year and engine, EPA combined ratings for the M850I range from 19 to 20 MPG. The most efficient rated version is the 2022 model year.

What engines does the 2026 BMW M850I have?

The 2026 M850I was EPA-rated with 4.4L 8-cyl engines — see the 2026 table above for each version's exact city/highway figures.

Does the BMW M850I require premium gas?

Yes — every EPA-rated gas M850I version specifies premium gasoline.

About this data: EPA ratings from the official U.S. DOE/EPA dataset (fueleconomy.gov), as of July 2026; refreshed monthly. Market prices and listing counts are live medians from VehiSales inventory, updated daily. How to cite: “VehiSales Research, BMW M850I EPA Fuel Economy by Model Year” with a link to https://vehisales.com/research/fuel-economy/bmw/m850i.

See also: BMW M850I hub — live listings, prices & reliability · Used BMW M850I prices by year · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].

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