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BMW 8 Series MPG

EPA fuel economy for 80 BMW 8 Series trims sold from 1991 to 2026. Best ever: 25 MPG (2022 840i Convertible). Latest model year 2026: 19 to 24 MPG combined across 9 trims.

25best combined MPG (2022)
22 / 29city / highway of the best trim
13lowest combined MPG (1995)
36model years rated
$3,430a year to fuel, cheapest 2026 trim at EPA prices

BMW 8 Series fuel cost calculator

Enter what you pay for fuel and how far you drive in a year. The starting prices are the ones the EPA uses for its own yearly fuel-cost estimates. Every cost on this page updates as you type.

At $5.49 a gallon for premium and 15,000 miles a year, the cheapest 2026 BMW 8 Series to fuel is the 840i Convertible, 3.0 L, 6 cyl (24 MPG) at $3,430 a year. The M850i xDrive Gran Coupe, 4.4 L, 8 cyl (19 MPG) costs $4,330, so the thriftier trim saves $900 a year and $4,500 over five years.

2026 trimEngineTransmissionDriveFuelCombCost/yrvs cheapest
840i Convertible3.0 L, 6 cylAuto (S8)RWDPremium24$3,430cheapest
840i Coupe3.0 L, 6 cylAuto (S8)RWDPremium24$3,430cheapest
840i Gran Coupe3.0 L, 6 cylAuto (S8)RWDPremium24$3,430cheapest
840i xDrive Convertible3.0 L, 6 cylAuto (S8)AWDPremium24$3,430cheapest
840i xDrive Coupe3.0 L, 6 cylAuto (S8)AWDPremium24$3,430cheapest
840i xDrive Gran Coupe3.0 L, 6 cylAuto (S8)AWDPremium24$3,430cheapest
M850i xDrive Convertible4.4 L, 8 cylAuto (S8)AWDPremium19$4,330+$900
M850i xDrive Coupe4.4 L, 8 cylAuto (S8)AWDPremium19$4,330+$900
M850i xDrive Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium19$4,330+$900

Cost per year is miles per year divided by the EPA combined rating, times your fuel price; electric vehicles use the EPA's kWh per 100 miles instead. Rounded to the nearest $10. Your prices are kept in this browser only.

BMW 8 Series MPG by year

YearBest combinedCityHwyBest trim that yearTrims
2026242129840i Convertible, 3.0 L, 6 cyl, Auto (S8)9
2025242129840i Convertible, 3.0 L, 6 cyl, Auto (S8)10
2024242129840i Convertible, 3.0 L, 6 cyl, Auto (S8)10
2023242129840i Convertible, 3.0 L, 6 cyl, Auto (S8)10
2022252229840i Convertible, 3.0 L, 6 cyl, Auto (S8)10
2021252229840i Convertible, 3.0 L, 6 cyl, Auto (S8)7
2020252330840i Coupe, 3.0 L, 6 cyl, Auto (S8)6
2019201726M850i xDrive Convertible, 4.4 L, 8 cyl, Auto (S8)2
1997151419840ci, 4.4 L, 8 cyl, Auto 5-spd2
1996151419840ci, 4.4 L, 8 cyl, Auto 5-spd2
1995171522840ci, 4.0 L, 8 cyl, Auto 5-spd3
1994161320840ci, 4.0 L, 8 cyl, Auto 5-spd3
1993131117850ci, 5.0 L, 12 cyl, Auto 4-spd2
1992131117850i, 5.0 L, 12 cyl, Auto 4-spd2
1991131117850i, 5.0 L, 12 cyl, Auto 4-spd2

Every BMW 8 Series trim

YearTrimEngineTransmissionDriveFuelCityHwyCombCO2 g/miFuel cost/yr
2026840i Convertible3.0 L, 6 cylAuto (S8)RWDPremium212924368$3,430
2026840i Coupe3.0 L, 6 cylAuto (S8)RWDPremium212924368$3,430
2026840i Gran Coupe3.0 L, 6 cylAuto (S8)RWDPremium212924368$3,430
2026840i xDrive Convertible3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,430
2026840i xDrive Coupe3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,430
2026840i xDrive Gran Coupe3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,430
2026M850i xDrive Convertible4.4 L, 8 cylAuto (S8)AWDPremium172419456$4,330
2026M850i xDrive Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419456$4,330
2026M850i xDrive Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419456$4,330
2025840i Convertible3.0 L, 6 cylAuto (S8)RWDPremium212924368$3,430
2025840i Coupe3.0 L, 6 cylAuto (S8)RWDPremium212924368$3,430
2025840i Gran Coupe3.0 L, 6 cylAuto (S8)RWDPremium212924368$3,430
2025840i xDrive Convertible3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,430
2025840i xDrive Coupe3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,430
2025840i xDrive Gran Coupe3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,430
2025Alpina B8 Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419458$4,330
2025M850i xDrive Convertible4.4 L, 8 cylAuto (S8)AWDPremium172419458$4,330
2025M850i xDrive Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419456$4,330
2025M850i xDrive Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419458$4,330
2024840i Convertible3.0 L, 6 cylAuto (S8)RWDPremium212924374$3,430
2024840i Coupe3.0 L, 6 cylAuto (S8)RWDPremium212924373$3,430
2024840i Gran Coupe3.0 L, 6 cylAuto (S8)RWDPremium212924374$3,430
2024840i xDrive Convertible3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,430
2024840i xDrive Coupe3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,430
2024840i xDrive Gran Coupe3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,430
2024Alpina B8 Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419457$4,330
2024M850i xDrive Convertible4.4 L, 8 cylAuto (S8)AWDPremium172419457$4,330
2024M850i xDrive Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419457$4,330
2024M850i xDrive Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419457$4,330
2023840i Convertible3.0 L, 6 cylAuto (S8)RWDPremium212924374$3,430
2023840i Coupe3.0 L, 6 cylAuto (S8)RWDPremium212924373$3,430
2023840i Gran Coupe3.0 L, 6 cylAuto (S8)RWDPremium212924374$3,430
2023840i xDrive Convertible3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,430
2023840i xDrive Coupe3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,430
2023840i xDrive Gran Coupe3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,430
2023Alpina B8 Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419457$4,330
2023M850i xDrive Convertible4.4 L, 8 cylAuto (S8)AWDPremium172419457$4,330
2023M850i xDrive Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419457$4,330
2023M850i xDrive Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419457$4,330
2022840i Convertible3.0 L, 6 cylAuto (S8)RWDPremium222925360$3,290
2022840i Coupe3.0 L, 6 cylAuto (S8)RWDPremium233025347$3,290
2022840i Gran Coupe3.0 L, 6 cylAuto (S8)RWDPremium222925360$3,290
2022840i xDrive Convertible3.0 L, 6 cylAuto (S8)AWDPremium202723388$3,580
2022840i xDrive Coupe3.0 L, 6 cylAuto (S8)AWDPremium202723388$3,580
2022840i xDrive Gran Coupe3.0 L, 6 cylAuto (S8)AWDPremium202723388$3,580
2022M850i xDrive Coupe4.4 L, 8 cylAuto (S8)AWDPremium172520442$4,120
2022Alpina B8 Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419454$4,330
2022M850i xDrive Convertible4.4 L, 8 cylAuto (S8)AWDPremium172419454$4,330
2022M850i xDrive Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419454$4,330
2021840i Convertible3.0 L, 6 cylAuto (S8)RWDPremium222925360$3,290
2021840i Coupe3.0 L, 6 cylAuto (S8)RWDPremium233025347$3,290
2021840i Gran Coupe3.0 L, 6 cylAuto (S8)RWDPremium222925360$3,290
2021840i xDrive Convertible3.0 L, 6 cylAuto (S8)AWDPremium202723387$3,580
2021840i xDrive Coupe3.0 L, 6 cylAuto (S8)AWDPremium202723387$3,580
2021840i xDrive Gran Coupe3.0 L, 6 cylAuto (S8)AWDPremium202723387$3,580
2021M850i xDrive Coupe4.4 L, 8 cylAuto (S8)AWDPremium172520439$4,120
2020840i Coupe3.0 L, 6 cylAuto (S8)RWDPremium233025347$3,290
2020840i Convertible3.0 L, 6 cylAuto (S8)RWDPremium222924361$3,430
2020840i Gran Coupe3.0 L, 6 cylAuto (S8)RWDPremium222924361$3,430
2020840i xDrive Convertible3.0 L, 6 cylAuto (S8)AWDPremium202723388$3,580
2020840i xDrive Coupe3.0 L, 6 cylAuto (S8)AWDPremium212723380$3,580
2020840i xDrive Gran Coupe3.0 L, 6 cylAuto (S8)AWDPremium202723388$3,580
2019M850i xDrive Convertible4.4 L, 8 cylAuto (S8)AWDPremium172620434$4,120
2019M850i xDrive Coupe4.4 L, 8 cylAuto (S8)AWDPremium182520433$4,120
1997840ci4.4 L, 8 cylAuto 5-spdRWDPremium141915592$5,490
1997850ci5.4 L, 12 cylAuto 5-spdRWDPremium121915592$5,490
1996840ci4.4 L, 8 cylAuto 5-spdRWDPremium141915592$5,490
1996850ci5.4 L, 12 cylAuto 5-spdRWDPremium121915592$5,490
1995840ci4.0 L, 8 cylAuto 5-spdRWDPremium152217523$4,840
1995850ci5.4 L, 12 cylAuto 5-spdRWDPremium121915592$5,490
1995850csi5.4 L, 12 cylManual 6-spdRWDPremium101813684$6,330
1994840ci4.0 L, 8 cylAuto 5-spdRWDPremium132016555$5,150
1994850ci5.0 L, 12 cylAuto 4-spdRWDRegular111713684$5,170
1994850csi5.6 L, 12 cylManual 6-spdRWDPremium111913684$6,330
1993850ci5.0 L, 12 cylAuto 4-spdRWDRegular111713684$5,170
1993850ci5.0 L, 12 cylManual 6-spdRWDRegular111713684$5,170
1992850i5.0 L, 12 cylAuto 4-spdRWDRegular111713684$5,170
1992850i5.0 L, 12 cylManual 6-spdRWDRegular111713684$5,170
1991850i5.0 L, 12 cylAuto 4-spdRWDRegular111713684$5,170
1991850i5.0 L, 12 cylManual 6-spdRWDRegular111713684$5,170

CO2 is tailpipe grams per mile from the EPA test. Fuel cost per year uses the prices and miles in the calculator above (the EPA's own prices and 15,000 miles a year until you change them); blank when the fuel has no price here (hydrogen, natural gas).

Compare with other 2026 Subcompact Cars

VehicleCombinedCityHwy
2026 Maserati Grancabrio Folgore838482
2026 Honda Prelude444641
2026 MINI Cooper C 2 Door322739
2026 BMW 430i Coupe312836
2026 BMW 230i Coupe302635
2026 MINI JCW 2 Door302737

All Subcompact Cars ranked by MPG

Questions people ask

What is the best MPG for a BMW 8 Series?

The most efficient BMW 8 Series the EPA has rated is the 2022 840i Convertible at 25 MPG combined (22 city, 29 highway).

What MPG does the 2026 BMW 8 Series get?

2026 BMW 8 Series trims range from 19 to 24 MPG combined, depending on engine, transmission and drivetrain.

Which BMW 8 Series has the worst fuel economy?

The 1995 850csi is the lowest rated at 13 MPG combined.

How much does it cost to fuel a BMW 8 Series for a year?

At $5.49 a gallon for premium and 15,000 miles a year, the cheapest 2026 BMW 8 Series to fuel is the 840i Convertible, 3.0 L, 6 cyl (24 MPG) at $3,430 a year. The M850i xDrive Gran Coupe, 4.4 L, 8 cyl (19 MPG) costs $4,330, so the thriftier trim saves $900 a year and $4,500 over five years.

More from BMW: every BMW model. Fuel types on this model: Premium, Regular. EPA classes: Midsize Cars, Subcompact Cars.