# BMW 4 Series specs and mpg by year

- **Latest year:** 2027
- **MPG (combined):** 27-31
- **Drive:** AWD, RWD
- **Years covered:** 2015-2027

## Quick answer

The 2027 BMW 4 Series is a subcompact car rated at 27-31 mpg combined. Engines: 2.0L 4-cyl turbo hybrid; 3.0L V6 turbo hybrid.

## Every 2027 BMW 4 Series version

| Version | Engine | Drive | Transmission | City/Hwy | Combined | Fuel cost / year | CO2 |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 430i Coupe | 2.0L 4-cyl turbo hybrid | RWD | Automatic | 28/36 | 31 mpg | $2,650 | 285 g/mi |
| 430i xDrive Coupe | 2.0L 4-cyl turbo hybrid | AWD | Automatic | 27/34 | 30 mpg | $2,750 | 294 g/mi |
| 430i Convertible | 2.0L 4-cyl turbo hybrid | RWD | Automatic | 27/35 | 30 mpg | $2,750 | 295 g/mi |
| M440i Coupe | 3.0L V6 turbo hybrid | RWD | Automatic | 27/34 | 30 mpg | $2,750 | 295 g/mi |
| 430i Gran Coupe | 2.0L 4-cyl turbo hybrid | RWD | Automatic | 27/35 | 30 mpg | $2,750 | 290 g/mi |
| M440i xDrive Coupe | 3.0L V6 turbo hybrid | AWD | Automatic | 26/33 | 29 mpg | $2,850 | 300 g/mi |
| M440i Convertible | 3.0L V6 turbo hybrid | RWD | Automatic | 27/33 | 29 mpg | $2,850 | 299 g/mi |
| 430i xDrive Gran Coupe | 2.0L 4-cyl turbo hybrid | AWD | Automatic | 25/34 | 29 mpg | $2,850 | 305 g/mi |
| 430i xDrive Convertible | 2.0L 4-cyl turbo hybrid | AWD | Automatic | 24/33 | 28 mpg | $2,950 | 316 g/mi |
| M440i xDrive Convertible | 3.0L V6 turbo hybrid | AWD | Automatic | 26/32 | 28 mpg | $2,950 | 311 g/mi |
| M440i Gran Coupe | 3.0L V6 turbo hybrid | RWD | Automatic | 26/32 | 28 mpg | $2,950 | 312 g/mi |
| M440i xDrive Gran Coupe | 3.0L V6 turbo hybrid | AWD | Automatic | 25/31 | 27 mpg | $3,050 | 320 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 4 Series specs by year

| Year | Engines | Transmission | Drive | MPG (combined) |
| --- | --- | --- | --- | --- |
| 2027 | 2.0L 4-cyl turbo hybrid; 3.0L V6 turbo hybrid | Automatic | AWD, RWD | 27-31 |
| 2026 | 2.0L 4-cyl turbo hybrid; 3.0L V6 turbo hybrid | Automatic | AWD, RWD | 27-31 |
| 2025 | 2.0L 4-cyl turbo hybrid; 3.0L 4-cyl turbo hybrid | Automatic | AWD, RWD | 27-31 |
| 2024 | 2.0L 4-cyl turbo; 3.0L V6 turbo hybrid | Automatic | AWD, RWD | 25-28 |
| 2023 | 2.0L 4-cyl turbo; 3.0L V6 turbo hybrid | Automatic | AWD, RWD | 25-28 |
| 2022 | 2.0L 4-cyl turbo; 3.0L V6 turbo hybrid | Automatic | AWD, RWD | 25-28 |
| 2021 | 2.0L 4-cyl turbo; 3.0L V6 turbo hybrid | Automatic | AWD, RWD | 26-29 |
| 2020 | 2.0L 4-cyl turbo; 3.0L V6 turbo | Automatic, Manual | AWD, RWD | 21-27 |
| 2019 | 2.0L 4-cyl turbo; 3.0L V6 turbo | Automatic, Manual | AWD, RWD | 21-27 |
| 2018 | 2.0L 4-cyl turbo; 3.0L V6 turbo | Automatic, Manual | AWD, RWD | 23-27 |
| 2017 | 2.0L 4-cyl turbo; 3.0L V6 turbo | Automatic, Manual | AWD, RWD | 23-27 |
| 2016 | 3.0L V6 turbo; 2.0L 4-cyl turbo | Automatic, Manual | AWD, RWD | 22-27 |
| 2015 | 2.0L 4-cyl turbo; 3.0L V6 turbo | Automatic, Manual | AWD, RWD | 23-27 |

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 4 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 and 3.0L V6 turbo hybrid.
- **2022:** combined mpg went from 26-29 to 25-28.
- **2021:** added 3.0L V6 turbo hybrid; dropped 3.0L V6 turbo.
- **2019:** combined mpg went from 23-27 to 21-27.
- **2017:** combined mpg went from 22-27 to 23-27.
- **2016:** combined mpg went from 23-27 to 22-27.

## What does it cost to run a 4 Series?

The EPA puts the 2027 BMW 4 Series's fuel cost at **$2,650-$3,050 a year**, against about $3,346 for other current subcompact car: roughly 15% less. Over five years at 15,000 miles a year that is about $14,250 in fuel.

## 4 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 2027 BMW 4 Series get?

The 2027 BMW 4 Series is EPA-rated at 27-31 mpg combined, depending on engine and drivetrain. Real-world mileage varies with speed, climate and load.

### What engine does the 2027 BMW 4 Series have?

The 2027 BMW 4 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 4 Series?

Yes. The BMW 4 Series has been offered as a hybrid in some model years; the table above shows which.

### Which BMW 4 Series year gets the best gas mileage?

In the EPA data, the 2027 BMW 4 Series has the highest combined rating, up to 31 mpg. Ratings for the same model can change between years when engines or test procedures change.

### How much does it cost to fuel a 2027 BMW 4 Series for a year?

About $2,650-$3,050 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 2027 BMW 4 Series?

The most efficient 2027 version, the 430i Coupe, is rated 28 mpg city and 36 mpg highway (31 combined). Other engines and drivetrains are rated lower; the versions table above lists each one.

### How much CO2 does the 2027 BMW 4 Series emit?

EPA rates its tailpipe CO2 at 285-320 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 2027 BMW 4 Series come with all-wheel drive?

Yes. The 2027 BMW 4 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 4 Series cheap to run compared with other subcompact cars?

Yes, cheaper than average: its EPA annual fuel cost of $2,650-$3,050 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 8 Series](https://diagxcar.com/vehicles/bmw-8-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)

## 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)

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Source page: https://diagxcar.com/vehicles/bmw-4-series
Updated: 2026-11-03
General information, not a substitute for a qualified mechanic.