2021 · Subcompact Car · Hybrid
2021 BMW 4 Series Hybrid MPG & fuel economy
The 2021 BMW 4 Series Hybrid is a subcompact car with one EPA-rated configuration. The most efficient version returns 26 MPG combined (23 city / 31 highway) on premium gasoline. Among 34 subcompact cars rated for 2021, it ranks 19th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,279 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2021 BMW 4 Series Hybrid's fuel average is 11.1 km/L (9.0 L/100 km), or 26 MPG combined: 9.8 km/L in the city and 13.2 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 23 | 9.8 | 10.2 |
| Highway | 31 | 13.2 | 7.6 |
| Combined | 26 | 11.1 | 9.0 |
How it ranks among 2021 Subcompact Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
4 Series Hybrid MPG across model years
Full history →1 EPA-rated configuration
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 3.0L 6-cyl turbo · 8-speed automatic M440i Convertible |
Hybrid | 23 MPG | 31 MPG | 26 MPG | — | $2,279 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 3.0L 6-cyl turbo
- Transmission
- 8-speed automatic
- Drivetrain
- RWD
- Passenger volume
- 84 cu ft
- Cargo volume
- 9 cu ft
- Tailpipe CO₂
- 338 g/mi
- EPA fuel economy score
- 5/10
- EPA greenhouse gas score
- 5/10
2021 BMW 4 Series Hybrid vs. rivals
Compare the 2021 4 Series Hybrid
With any other car from any year, including other 4 Series Hybrid model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 2021 BMW 4 Series (29 MPG)
Frequently asked questions
What is the gas mileage of the 2021 BMW 4 Series Hybrid?
Up to 26 MPG combined (23 city / 31 highway).
What fuel does the 2021 BMW 4 Series Hybrid use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2021 BMW 4 Series Hybrid?
The 2021 BMW 4 Series Hybrid's fuel average is 11.1 km/L (9.0 L/100 km), or 26 MPG combined: 9.8 km/L in the city and 13.2 km/L on the highway.
How much does it cost to fuel the 2021 BMW 4 Series Hybrid per year?
About $2,279 at 15,000 miles a year with $3.95/gal premium gas, or $15.19 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.