# BMW 3 Series specs and mpg by year - **Latest year:** 2026 - **MPG (combined):** 29-31 - **Drive:** AWD, RWD - **Years covered:** 2015-2026 ## Quick answer The 2026 BMW 3 Series is a compact car rated at 29-31 mpg combined. Engines: 2.0L 4-cyl turbo hybrid; 3.0L V6 turbo hybrid. ## Every 2026 BMW 3 Series version | Version | Engine | Drive | Transmission | City/Hwy | Combined | Fuel cost / year | CO2 | | --- | --- | --- | --- | --- | --- | --- | --- | | 330i Sedan | 2.0L 4-cyl turbo hybrid | RWD | Automatic | 28/35 | 31 mpg | $2,650 | 286 g/mi | | 330i xDrive Sedan | 2.0L 4-cyl turbo hybrid | AWD | Automatic | 26/34 | 29 mpg | $2,850 | 298 g/mi | | M340i Sedan | 3.0L V6 turbo hybrid | RWD | Automatic | 27/33 | 29 mpg | $2,850 | 299 g/mi | | M340i xDrive Sedan | 3.0L V6 turbo hybrid | AWD | Automatic | 26/33 | 29 mpg | $2,850 | 304 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 3 Series specs by year | Year | Engines | Transmission | Drive | MPG (combined) | | --- | --- | --- | --- | --- | | 2026 | 2.0L 4-cyl turbo hybrid; 3.0L V6 turbo hybrid | Automatic | AWD, RWD | 29-31 | | 2025 | 2.0L 4-cyl turbo hybrid; 3.0L 4-cyl turbo hybrid | Automatic | AWD, RWD | 29-31 | | 2024 | 2.0L 4-cyl turbo; 3.0L V6 turbo hybrid; 2.0L 4-cyl turbo plug-in hybrid | Automatic | AWD, RWD | 26-29 | | 2023 | 3.0L V6 turbo hybrid; 2.0L 4-cyl turbo; 2.0L 4-cyl turbo plug-in hybrid | Automatic | AWD, RWD | 26-29 | | 2022 | 2.0L 4-cyl turbo; 3.0L V6 turbo hybrid; 2.0L 4-cyl turbo plug-in hybrid | Automatic | AWD, RWD | 25-30 | | 2021 | 2.0L 4-cyl turbo plug-in hybrid; 2.0L 4-cyl turbo | Automatic | AWD, RWD | 25-30 | | 2020 | 2.0L 4-cyl turbo | Automatic | AWD, RWD | 28-30 | | 2019 | 2.0L 4-cyl turbo; 3.0L V6 turbo | Automatic | AWD, RWD | 23-30 | | 2018 | 2.0L 4-cyl turbo; 3.0L V6 turbo; 2.0L 4-cyl turbo plug-in hybrid; 2.0L 4-cyl turbo diesel | Automatic, Manual | AWD, RWD | 23-36 | | 2017 | 2.0L 4-cyl turbo; 3.0L V6 turbo; 2.0L 4-cyl turbo plug-in hybrid; 2.0L 4-cyl turbo diesel | Automatic, Manual | AWD, RWD | 23-36 | | 2016 | 2.0L 4-cyl turbo; 2.0L 4-cyl turbo diesel; 3.0L V6 turbo; 2.0L 4-cyl turbo plug-in hybrid | Manual, Automatic | AWD, RWD | 23-35 | | 2015 | 2.0L 4-cyl turbo; 3.0L V6 turbo; 2.0L 4-cyl turbo diesel; 3.0L V6 turbo hybrid | Automatic, Manual | AWD, RWD | 23-36 | 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 3 Series changed over the years? - **2026:** added 3.0L V6 turbo hybrid; dropped 3.0L 4-cyl turbo hybrid. - **2025:** added 2.0L 4-cyl turbo hybrid and 3.0L 4-cyl turbo hybrid; dropped 2.0L 4-cyl turbo, 3.0L V6 turbo hybrid and 2.0L 4-cyl turbo plug-in hybrid. - **2023:** combined mpg went from 25-30 to 26-29. - **2022:** added 3.0L V6 turbo hybrid. - **2021:** added 2.0L 4-cyl turbo plug-in hybrid. - **2020:** dropped 3.0L V6 turbo. - **2019:** dropped 2.0L 4-cyl turbo plug-in hybrid and 2.0L 4-cyl turbo diesel. - **2017:** combined mpg went from 23-35 to 23-36. - **2016:** added 2.0L 4-cyl turbo plug-in hybrid; dropped 3.0L V6 turbo hybrid. ## What does it cost to run a 3 Series? The EPA puts the 2026 BMW 3 Series's fuel cost at **$2,650-$2,850 a year**, against about $2,327 for other current compact car: roughly 18% more. Over five years at 15,000 miles a year that is about $13,750 in fuel. ## 3 Series vs rivals | Model | Powertrains | Fuel economy | Range | Fuel cost / year | | --- | --- | --- | --- | --- | | [Toyota Corolla](/vehicles/toyota-corolla) | Gas, Hybrid | 22-50 mpg | -- | $1,350-$3,750 | | [Lexus UX](/vehicles/lexus-ux) | Hybrid | 42-43 mpg | -- | $1,550-$1,600 | | [Volkswagen Jetta](/vehicles/volkswagen-jetta) | Gas | 33-34 mpg | -- | $1,950-$2,050 | | [Mercedes-Benz CLA-Class](/vehicles/mercedes-benz-cla-class) | Electric, Gas, Hybrid | 23-33 mpg | 374 mi | $600-$3,550 | | [Mercedes-Benz C-Class](/vehicles/mercedes-benz-c-class) | Hybrid | 22-29 mpg | -- | $2,850-$3,750 | | [Volkswagen GLI](/vehicles/volkswagen-gli) | Gas | 29 mpg | -- | $2,300 | | [Cadillac CT4](/vehicles/cadillac-ct4) | Gas | 18-26 mpg | -- | $3,150-$4,550 | | [Genesis G70](/vehicles/genesis-g70) | Gas | 19-24 mpg | -- | $3,400-$4,350 | Other current compact car from other makes, most efficient first. ## Frequently asked questions ### What mpg does the 2026 BMW 3 Series get? The 2026 BMW 3 Series is EPA-rated at 29-31 mpg combined, depending on engine and drivetrain. Real-world mileage varies with speed, climate and load. ### What engine does the 2026 BMW 3 Series have? The 2026 BMW 3 Series comes with: 2.0L 4-cyl turbo hybrid; 3.0L V6 turbo hybrid. It uses automatic transmission and is offered with AWD and RWD. ### Is there a hybrid BMW 3 Series? Yes. The BMW 3 Series has been offered as a hybrid and a plug-in hybrid in some model years; the table above shows which. ### Which BMW 3 Series year gets the best gas mileage? In the EPA data, the 2018 BMW 3 Series has the highest combined rating, up to 36 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 3 Series for a year? About $2,650-$2,850 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 3 Series? The most efficient 2026 version, the 330i Sedan, is rated 28 mpg city and 35 mpg highway (31 combined). Other engines and drivetrains are rated lower; the versions table above lists each one. ### How much CO2 does the 2026 BMW 3 Series emit? EPA rates its tailpipe CO2 at 286-304 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 3 Series come with all-wheel drive? Yes. The 2026 BMW 3 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 3 Series cheap to run compared with other compact cars? No, dearer than average: its EPA annual fuel cost of $2,650-$2,850 compares with about $2,327 for other current compact 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 8 Series](https://diagxcar.com/vehicles/bmw-8-series) - [BMW M](https://diagxcar.com/vehicles/bmw-m) - [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 compact cars - [Cadillac CT4](https://diagxcar.com/vehicles/cadillac-ct4) - [Genesis G70](https://diagxcar.com/vehicles/genesis-g70) - [Honda Insight](https://diagxcar.com/vehicles/honda-insight) - [Hyundai Accent](https://diagxcar.com/vehicles/hyundai-accent) - [Hyundai Veloster](https://diagxcar.com/vehicles/hyundai-veloster) - [Jaguar XE](https://diagxcar.com/vehicles/jaguar-xe) ## Compared with - [Lexus IS](https://diagxcar.com/vehicles/lexus-is) - [Lexus UX](https://diagxcar.com/vehicles/lexus-ux) - [Mercedes-Benz C-Class](https://diagxcar.com/vehicles/mercedes-benz-c-class) - [Mercedes-Benz CLA-Class](https://diagxcar.com/vehicles/mercedes-benz-cla-class) - [Toyota Corolla](https://diagxcar.com/vehicles/toyota-corolla) - [Toyota Mirai](https://diagxcar.com/vehicles/toyota-mirai) - [Volkswagen GLI](https://diagxcar.com/vehicles/volkswagen-gli) - [Volkswagen Jetta](https://diagxcar.com/vehicles/volkswagen-jetta) ## 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-3-series Updated: 2026-11-03 General information, not a substitute for a qualified mechanic.