2026 · Subcompact Car · Hybrid
2026 BMW 4 Series Hybrid MPG & fuel economy
The 2026 BMW 4 Series Hybrid is a subcompact car offered in 11 EPA-rated configurations. The most efficient version returns 31 MPG combined (28 city / 36 highway) on premium gasoline. Across the lineup, combined ratings range from 27 to 31 MPG. Efficiency is unchanged from the 2025 model. Among 26 subcompact cars rated for 2026, it ranks 6th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $1,911 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2026 BMW 4 Series Hybrid's fuel average is 13.2 km/L (7.6 L/100 km), or 31 MPG combined: 11.9 km/L in the city and 15.3 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 28 | 11.9 | 8.4 |
| Highway | 36 | 15.3 | 6.5 |
| Combined | 31 | 13.2 | 7.6 |
How it ranks among 2026 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 →11 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 2.0L 4-cyl turbo · 8-speed automatic 430i Coupe |
Hybrid | 28 MPG | 36 MPG | 31 MPG | — | $1,911 |
| AWD · 2.0L 4-cyl turbo · 8-speed automatic 430i xDrive Coupe |
Hybrid | 27 MPG | 34 MPG | 30 MPG | — | $1,975 |
| RWD · 2.0L 4-cyl turbo · 8-speed automatic 430i Convertible |
Hybrid | 27 MPG | 35 MPG | 30 MPG | — | $1,975 |
| RWD · 3.0L 6-cyl turbo · 8-speed automatic M440i Coupe |
Hybrid | 27 MPG | 34 MPG | 30 MPG | — | $1,975 |
| AWD · 3.0L 6-cyl turbo · 8-speed automatic M440i xDrive Coupe |
Hybrid | 26 MPG | 33 MPG | 29 MPG | — | $2,043 |
| RWD · 3.0L 6-cyl turbo · 8-speed automatic M440i Convertible |
Hybrid | 27 MPG | 33 MPG | 29 MPG | — | $2,043 |
| AWD · 2.0L 4-cyl turbo · 8-speed automatic 430i xDrive Gran Coupe |
Hybrid | 25 MPG | 34 MPG | 29 MPG | — | $2,043 |
| AWD · 2.0L 4-cyl turbo · 8-speed automatic 430i xDrive Convertible |
Hybrid | 24 MPG | 33 MPG | 28 MPG | — | $2,116 |
| AWD · 3.0L 6-cyl turbo · 8-speed automatic M440i xDrive Convertible |
Hybrid | 25 MPG | 32 MPG | 28 MPG | — | $2,116 |
| RWD · 3.0L 6-cyl turbo · 8-speed automatic M440i Gran Coupe |
Hybrid | 26 MPG | 32 MPG | 28 MPG | — | $2,116 |
| AWD · 3.0L 6-cyl turbo · 8-speed automatic M440i xDrive Gran Coupe |
Hybrid | 25 MPG | 31 MPG | 27 MPG | — | $2,194 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 2.0L 4-cyl turbo
- Transmission
- 8-speed automatic
- Drivetrain
- RWD
- Passenger volume
- 86 cu ft
- Cargo volume
- 12 cu ft
- Tailpipe CO₂
- 285 g/mi
- EPA fuel economy score
- 6/10
- EPA greenhouse gas score
- 6/10
2026 BMW 4 Series Hybrid vs. rivals
Compare the 2026 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".
Frequently asked questions
What is the gas mileage of the 2026 BMW 4 Series Hybrid?
Up to 31 MPG combined (28 city / 36 highway); ratings range from 27 to 31 MPG depending on configuration.
What fuel does the 2026 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 2026 BMW 4 Series Hybrid?
The 2026 BMW 4 Series Hybrid's fuel average is 13.2 km/L (7.6 L/100 km), or 31 MPG combined: 11.9 km/L in the city and 15.3 km/L on the highway.
How much does it cost to fuel the 2026 BMW 4 Series Hybrid per year?
About $1,911 at 15,000 miles a year with $3.95/gal premium gas, or $12.74 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.