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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
$3,230a 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 $5.16 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 $3,230 a year. The M850i xDrive Gran Coupe, 4.4 L, 8 cyl (19 MPG) costs $4,070, so the thriftier trim saves $840 a year and $4,200 over five years.

2026 trimEngineTransmissionDriveFuelCombCost/yrvs cheapest
840i Convertible3.0 L, 6 cylAuto (S8)RWDPremium24$3,230cheapest
840i Coupe3.0 L, 6 cylAuto (S8)RWDPremium24$3,230cheapest
840i Gran Coupe3.0 L, 6 cylAuto (S8)RWDPremium24$3,230cheapest
840i xDrive Convertible3.0 L, 6 cylAuto (S8)AWDPremium24$3,230cheapest
840i xDrive Coupe3.0 L, 6 cylAuto (S8)AWDPremium24$3,230cheapest
840i xDrive Gran Coupe3.0 L, 6 cylAuto (S8)AWDPremium24$3,230cheapest
M850i xDrive Convertible4.4 L, 8 cylAuto (S8)AWDPremium19$4,070+$850
M850i xDrive Coupe4.4 L, 8 cylAuto (S8)AWDPremium19$4,070+$850
M850i xDrive Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium19$4,070+$850

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$3,230
2026840i Coupe3.0 L, 6 cylAuto (S8)RWDPremium212924368$3,230
2026840i Gran Coupe3.0 L, 6 cylAuto (S8)RWDPremium212924368$3,230
2026840i xDrive Convertible3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,230
2026840i xDrive Coupe3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,230
2026840i xDrive Gran Coupe3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,230
2026M850i xDrive Convertible4.4 L, 8 cylAuto (S8)AWDPremium172419456$4,070
2026M850i xDrive Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419456$4,070
2026M850i xDrive Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419456$4,070
2025840i Convertible3.0 L, 6 cylAuto (S8)RWDPremium212924368$3,230
2025840i Coupe3.0 L, 6 cylAuto (S8)RWDPremium212924368$3,230
2025840i Gran Coupe3.0 L, 6 cylAuto (S8)RWDPremium212924368$3,230
2025840i xDrive Convertible3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,230
2025840i xDrive Coupe3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,230
2025840i xDrive Gran Coupe3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,230
2025Alpina B8 Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419458$4,070
2025M850i xDrive Convertible4.4 L, 8 cylAuto (S8)AWDPremium172419458$4,070
2025M850i xDrive Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419456$4,070
2025M850i xDrive Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419458$4,070
2024840i Convertible3.0 L, 6 cylAuto (S8)RWDPremium212924374$3,230
2024840i Coupe3.0 L, 6 cylAuto (S8)RWDPremium212924373$3,230
2024840i Gran Coupe3.0 L, 6 cylAuto (S8)RWDPremium212924374$3,230
2024840i xDrive Convertible3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,230
2024840i xDrive Coupe3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,230
2024840i xDrive Gran Coupe3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,230
2024Alpina B8 Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419457$4,070
2024M850i xDrive Convertible4.4 L, 8 cylAuto (S8)AWDPremium172419457$4,070
2024M850i xDrive Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419457$4,070
2024M850i xDrive Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419457$4,070
2023840i Convertible3.0 L, 6 cylAuto (S8)RWDPremium212924374$3,230
2023840i Coupe3.0 L, 6 cylAuto (S8)RWDPremium212924373$3,230
2023840i Gran Coupe3.0 L, 6 cylAuto (S8)RWDPremium212924374$3,230
2023840i xDrive Convertible3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,230
2023840i xDrive Coupe3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,230
2023840i xDrive Gran Coupe3.0 L, 6 cylAuto (S8)AWDPremium212924373$3,230
2023Alpina B8 Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419457$4,070
2023M850i xDrive Convertible4.4 L, 8 cylAuto (S8)AWDPremium172419457$4,070
2023M850i xDrive Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419457$4,070
2023M850i xDrive Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419457$4,070
2022840i Convertible3.0 L, 6 cylAuto (S8)RWDPremium222925360$3,100
2022840i Coupe3.0 L, 6 cylAuto (S8)RWDPremium233025347$3,100
2022840i Gran Coupe3.0 L, 6 cylAuto (S8)RWDPremium222925360$3,100
2022840i xDrive Convertible3.0 L, 6 cylAuto (S8)AWDPremium202723388$3,370
2022840i xDrive Coupe3.0 L, 6 cylAuto (S8)AWDPremium202723388$3,370
2022840i xDrive Gran Coupe3.0 L, 6 cylAuto (S8)AWDPremium202723388$3,370
2022M850i xDrive Coupe4.4 L, 8 cylAuto (S8)AWDPremium172520442$3,870
2022Alpina B8 Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419454$4,070
2022M850i xDrive Convertible4.4 L, 8 cylAuto (S8)AWDPremium172419454$4,070
2022M850i xDrive Gran Coupe4.4 L, 8 cylAuto (S8)AWDPremium172419454$4,070
2021840i Convertible3.0 L, 6 cylAuto (S8)RWDPremium222925360$3,100
2021840i Coupe3.0 L, 6 cylAuto (S8)RWDPremium233025347$3,100
2021840i Gran Coupe3.0 L, 6 cylAuto (S8)RWDPremium222925360$3,100
2021840i xDrive Convertible3.0 L, 6 cylAuto (S8)AWDPremium202723387$3,370
2021840i xDrive Coupe3.0 L, 6 cylAuto (S8)AWDPremium202723387$3,370
2021840i xDrive Gran Coupe3.0 L, 6 cylAuto (S8)AWDPremium202723387$3,370
2021M850i xDrive Coupe4.4 L, 8 cylAuto (S8)AWDPremium172520439$3,870
2020840i Coupe3.0 L, 6 cylAuto (S8)RWDPremium233025347$3,100
2020840i Convertible3.0 L, 6 cylAuto (S8)RWDPremium222924361$3,230
2020840i Gran Coupe3.0 L, 6 cylAuto (S8)RWDPremium222924361$3,230
2020840i xDrive Convertible3.0 L, 6 cylAuto (S8)AWDPremium202723388$3,370
2020840i xDrive Coupe3.0 L, 6 cylAuto (S8)AWDPremium212723380$3,370
2020840i xDrive Gran Coupe3.0 L, 6 cylAuto (S8)AWDPremium202723388$3,370
2019M850i xDrive Convertible4.4 L, 8 cylAuto (S8)AWDPremium172620434$3,870
2019M850i xDrive Coupe4.4 L, 8 cylAuto (S8)AWDPremium182520433$3,870
1997840ci4.4 L, 8 cylAuto 5-spdRWDPremium141915592$5,160
1997850ci5.4 L, 12 cylAuto 5-spdRWDPremium121915592$5,160
1996840ci4.4 L, 8 cylAuto 5-spdRWDPremium141915592$5,160
1996850ci5.4 L, 12 cylAuto 5-spdRWDPremium121915592$5,160
1995840ci4.0 L, 8 cylAuto 5-spdRWDPremium152217523$4,550
1995850ci5.4 L, 12 cylAuto 5-spdRWDPremium121915592$5,160
1995850csi5.4 L, 12 cylManual 6-spdRWDPremium101813684$5,950
1994840ci4.0 L, 8 cylAuto 5-spdRWDPremium132016555$4,840
1994850ci5.0 L, 12 cylAuto 4-spdRWDRegular111713684$4,800
1994850csi5.6 L, 12 cylManual 6-spdRWDPremium111913684$5,950
1993850ci5.0 L, 12 cylAuto 4-spdRWDRegular111713684$4,800
1993850ci5.0 L, 12 cylManual 6-spdRWDRegular111713684$4,800
1992850i5.0 L, 12 cylAuto 4-spdRWDRegular111713684$4,800
1992850i5.0 L, 12 cylManual 6-spdRWDRegular111713684$4,800
1991850i5.0 L, 12 cylAuto 4-spdRWDRegular111713684$4,800
1991850i5.0 L, 12 cylManual 6-spdRWDRegular111713684$4,800

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 $5.16 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 $3,230 a year. The M850i xDrive Gran Coupe, 4.4 L, 8 cyl (19 MPG) costs $4,070, so the thriftier trim saves $840 a year and $4,200 over five years.

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