2020 · Subcompact Car · Plug-in hybrid
2020 BMW i8 MPG & fuel economy
The 2020 BMW i8 is a subcompact car with one EPA-rated configuration. This plug-in hybrid covers about 18 miles on electricity (69 MPGe), then returns 27 MPG on gas. Efficiency is unchanged from the 2019 model. Among 39 subcompact cars rated for 2020, it ranks 8th for lowest fuel cost. At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, it costs about $1,828 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2020 BMW i8's fuel average is 11.5 km/L (8.7 L/100 km), or 27 MPG combined: 11.1 km/L in the city and 12.3 km/L on the highway. On electricity it is rated 69 MPGe.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City (gas) | 26 | 11.1 | 9.0 |
| Highway (gas) | 29 | 12.3 | 8.1 |
| Combined (gas) | 27 | 11.5 | 8.7 |
How it ranks among 2020 Subcompact Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
i8 MPG across model years
Full history →1 EPA-rated configuration
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| AWD · 1.5L 3-cyl turbo · 6-speed automatic I8 Coupe |
Plug-in hybrid | 68 MPGe + 26 MPG | 70 MPGe + 29 MPG | 69 MPGe + 27 MPG | 320 mi | $1,828 |
Specs (most efficient configuration)
- Fuel
- Premium gas + electricity
- Engine / motor
- 1.5L 3-cyl turbo
- Transmission
- 6-speed automatic
- Drivetrain
- AWD
- Electricity use
- 49 kWh/100 mi
- All-electric range
- 18 mi
- Charge time (240V)
- 3 hrs
- Passenger volume
- 81 cu ft
- Cargo volume
- 5 cu ft
- Tailpipe CO₂
- 191 g/mi
- EPA fuel economy score
- 8/10
- EPA greenhouse gas score
- 10/10
2020 BMW i8 vs. rivals
Compare the 2020 i8
With any other car from any year, including other i8 model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2020 BMW i8?
Up to 69 MPGe + 27 MPG combined.
What fuel does the 2020 BMW i8 use?
Premium gas + electricity (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2020 BMW i8?
The 2020 BMW i8's fuel average is 11.5 km/L (8.7 L/100 km), or 27 MPG combined: 11.1 km/L in the city and 12.3 km/L on the highway. On electricity it is rated 69 MPGe.
How much does it cost to fuel the 2020 BMW i8 per year?
About $1,828 at 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, or $12.19 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.