# BMW 8 Series specs and mpg by year - **Latest year:** 2026 - **MPG (combined):** 19-24 - **Drive:** AWD, RWD - **Years covered:** 2019-2026 ## Quick answer The 2026 BMW 8 Series is a subcompact car rated at 19-24 mpg combined. Engines: 3.0L V6 turbo; 4.4L V8 turbo. ## Every 2026 BMW 8 Series version | Version | Engine | Drive | Transmission | City/Hwy | Combined | Fuel cost / year | CO2 | | --- | --- | --- | --- | --- | --- | --- | --- | | 840i Coupe | 3.0L V6 turbo | RWD | Automatic | 21/29 | 24 mpg | $3,400 | 368 g/mi | | 840i xDrive Coupe | 3.0L V6 turbo | AWD | Automatic | 21/29 | 24 mpg | $3,400 | 373 g/mi | | 840i Convertible | 3.0L V6 turbo | RWD | Automatic | 21/29 | 24 mpg | $3,400 | 368 g/mi | | 840i xDrive Convertible | 3.0L V6 turbo | AWD | Automatic | 21/29 | 24 mpg | $3,400 | 373 g/mi | | 840i Gran Coupe | 3.0L V6 turbo | RWD | Automatic | 21/29 | 24 mpg | $3,400 | 368 g/mi | | 840i xDrive Gran Coupe | 3.0L V6 turbo | AWD | Automatic | 21/29 | 24 mpg | $3,400 | 373 g/mi | | M850i xDrive Coupe | 4.4L V8 turbo | AWD | Automatic | 17/24 | 19 mpg | $4,350 | 456 g/mi | | M850i xDrive Convertible | 4.4L V8 turbo | AWD | Automatic | 17/24 | 19 mpg | $4,350 | 456 g/mi | | M850i xDrive Gran Coupe | 4.4L V8 turbo | AWD | Automatic | 17/24 | 19 mpg | $4,350 | 456 g/mi | Each row is a version the EPA tested. Fuel cost assumes 15,000 miles a year (55% city) at national average prices; CO2 is tailpipe emissions. ## BMW 8 Series specs by year | Year | Engines | Transmission | Drive | MPG (combined) | | --- | --- | --- | --- | --- | | 2026 | 3.0L V6 turbo; 4.4L V8 turbo | Automatic | AWD, RWD | 19-24 | | 2025 | 3.0L V6 turbo; 4.4L V8 turbo | Automatic | AWD, RWD | 19-24 | | 2024 | 3.0L V6 turbo; 4.4L V8 turbo | Automatic | AWD, RWD | 19-24 | | 2023 | 4.4L V8 turbo; 3.0L V6 turbo | Automatic | AWD, RWD | 19-24 | | 2022 | 4.4L V8 turbo; 3.0L V6 turbo | Automatic | AWD, RWD | 19-25 | | 2021 | 3.0L V6 turbo; 4.4L V8 turbo | Automatic | AWD, RWD | 20-25 | | 2020 | 3.0L V6 turbo | Automatic | AWD, RWD | 23-25 | | 2019 | 4.4L V8 turbo | Automatic | AWD | 20 | EPA combined ratings. MPGe is the EPA efficiency measure for electric cars. Ranges cover every engine and drivetrain EPA tested for that year. ## How has the 8 Series changed over the years? - **2023:** combined mpg went from 19-25 to 19-24. - **2022:** combined mpg went from 20-25 to 19-25. - **2021:** added 4.4L V8 turbo. - **2020:** added 3.0L V6 turbo; dropped 4.4L V8 turbo; RWD became available. ## What does it cost to run a 8 Series? The EPA puts the 2026 BMW 8 Series's fuel cost at **$3,400-$4,350 a year**, against about $3,346 for other current subcompact car: roughly 16% more. Over five years at 15,000 miles a year that is about $19,375 in fuel. ## 8 Series vs rivals | Model | Powertrains | Fuel economy | Fuel cost / year | | --- | --- | --- | --- | | Honda Prelude | Hybrid | 44 mpg | $1,500 | | [Audi A3](/vehicles/audi-a3) | Gas | 28 mpg | $2,950 | | [Mercedes-Benz CLE-Class](/vehicles/mercedes-benz-cle-class) | Hybrid | 22-27 mpg | $3,050-$3,750 | | [Audi S3](/vehicles/audi-s3) | Gas | 26 mpg | $3,150 | | [Ford Mustang](/vehicles/ford-mustang) | Gas | 12-26 mpg | $2,600-$6,850 | | [Audi RS](/vehicles/audi-rs) | Gas, Hybrid | 16-23 mpg | $3,550-$5,150 | Other current subcompact car from other makes, most efficient first. ## Frequently asked questions ### What mpg does the 2026 BMW 8 Series get? The 2026 BMW 8 Series is EPA-rated at 19-24 mpg combined, depending on engine and drivetrain. Real-world mileage varies with speed, climate and load. ### What engine does the 2026 BMW 8 Series have? The 2026 BMW 8 Series comes with: 3.0L V6 turbo; 4.4L V8 turbo. It uses automatic transmission and is offered with AWD and RWD. ### Is there a hybrid BMW 8 Series? No. In the EPA data from 2019-2026 the BMW 8 Series has no hybrid version. ### Which BMW 8 Series year gets the best gas mileage? In the EPA data, the 2022 BMW 8 Series has the highest combined rating, up to 25 mpg. Ratings for the same model can change between years when engines or test procedures change. ### How much does it cost to fuel a 2026 BMW 8 Series for a year? About $3,400-$4,350 a year, using the EPA's assumptions of 15,000 miles (55% city, 45% highway) at national average fuel prices. Your cost depends on your local prices, mileage and driving style. ### What is the city and highway mpg of the 2026 BMW 8 Series? The most efficient 2026 version, the 840i Coupe, is rated 21 mpg city and 29 mpg highway (24 combined). Other engines and drivetrains are rated lower; the versions table above lists each one. ### How much CO2 does the 2026 BMW 8 Series emit? EPA rates its tailpipe CO2 at 368-456 grams per mile depending on version. Lower is better; the cleanest gas cars sit under 250 g/mi and electric cars have none at the tailpipe. ### Does the 2026 BMW 8 Series come with all-wheel drive? Yes. The 2026 BMW 8 Series is offered with AWD and RWD. All- or four-wheel drive usually costs 1-3 mpg compared with the two-wheel-drive version of the same engine, as the versions table shows. ### Is the BMW 8 Series cheap to run compared with other subcompact cars? No, dearer than average: its EPA annual fuel cost of $3,400-$4,350 compares with about $3,346 for other current subcompact car models. Fuel is only part of running costs; insurance, tires and repairs also differ. ## Sources - [fueleconomy.gov (US DOE and EPA)](https://www.fueleconomy.gov/) ## All BMW cars - [BMW X2](https://diagxcar.com/vehicles/bmw-x2) - [BMW Z4](https://diagxcar.com/vehicles/bmw-z4) - [BMW 2 Series](https://diagxcar.com/vehicles/bmw-2-series) - [BMW 4 Series](https://diagxcar.com/vehicles/bmw-4-series) - [BMW M](https://diagxcar.com/vehicles/bmw-m) - [BMW 3 Series](https://diagxcar.com/vehicles/bmw-3-series) - [BMW i4](https://diagxcar.com/vehicles/bmw-i4) - [BMW i5](https://diagxcar.com/vehicles/bmw-i5) - [BMW 5 Series](https://diagxcar.com/vehicles/bmw-5-series) - [BMW 7 Series](https://diagxcar.com/vehicles/bmw-7-series) - [BMW i7](https://diagxcar.com/vehicles/bmw-i7) ## More BMW models - [BMW iX](https://diagxcar.com/vehicles/bmw-ix) - [BMW X1](https://diagxcar.com/vehicles/bmw-x1) - [BMW X3](https://diagxcar.com/vehicles/bmw-x3) - [BMW X5](https://diagxcar.com/vehicles/bmw-x5) - [BMW X6](https://diagxcar.com/vehicles/bmw-x6) ## Other subcompact cars - [BMW i3](https://diagxcar.com/vehicles/bmw-i3) - [Chevrolet Camaro](https://diagxcar.com/vehicles/chevrolet-camaro) - [Chevrolet Spark](https://diagxcar.com/vehicles/chevrolet-spark) - [Ford Mustang](https://diagxcar.com/vehicles/ford-mustang) - [Infiniti Q60](https://diagxcar.com/vehicles/infiniti-q60) - [Lexus RC](https://diagxcar.com/vehicles/lexus-rc) - [Mercedes-Benz A-Class](https://diagxcar.com/vehicles/mercedes-benz-a-class) ## Compared with - [Audi A3](https://diagxcar.com/vehicles/audi-a3) - [Audi RS](https://diagxcar.com/vehicles/audi-rs) - [Audi S3](https://diagxcar.com/vehicles/audi-s3) - [Mercedes-Benz CLE-Class](https://diagxcar.com/vehicles/mercedes-benz-cle-class) ## Car care - [How long do tires last?](https://diagxcar.com/how-long/tires) - [How often to change oil](https://diagxcar.com/how-often/change-oil) - [Tire size calculator](https://diagxcar.com/tools/tire-size-calculator) --- Source page: https://diagxcar.com/vehicles/bmw-8-series Updated: 2026-11-03 General information, not a substitute for a qualified mechanic.