BMW · Subcompact cars · Plug-in hybrid
BMW i8: MPG and annual fuel cost, 2020
The BMW i8 was last rated in the data for model year 2020, at 27 MPG combined.
- 27MPG combined
- $3,050a year in fuel
- 191g/mile CO2
Where it stands
A plug-in hybrid can run on its battery for a distance and then on fuel. The MPG, fuel cost and CO2 figures on this site are for running on fuel with the battery depleted, so a driver who charges often will use less fuel than shown.
Fuel cost and CO2
At 15,000 miles a year with 55% of them in the city, with premium gasoline at $5.48 per gallon, the annual fuel bill of the most efficient version is about $3,050.
Tailpipe CO2 is 191 g/mile for the most efficient version.
Rated versions
In the city the most efficient version is rated 26 and on the highway 29, 3 better on the open road. 2 versions are rated for 2020. All of them share the same combined rating of 27 MPG.
| Version | Combined MPG | City MPG | Highway MPG | Annual fuel cost | CO2 g/mile | Electric range |
|---|---|---|---|---|---|---|
| I8 Coupe: 1.5 L, 3 cyl hybrid, Automatic 6-spd, AWD | 27 | 26 | 29 | $3,050 | 191 | 18 |
| I8 Roadster: 1.5 L, 3 cyl hybrid, Automatic 6-spd, AWD | 27 | 26 | 29 | $3,050 | 191 | 18 |
Year by year
The BMW i8 is in the data for 2 of the 8 model years from 2019 to 2026. Its best combined rating is 27 MPG in both 2019 and 2020.
| Model year | Versions | Best MPG | Lowest MPG | Fuel cost | CO2 g/mi | Class median |
|---|---|---|---|---|---|---|
| 2020 | 2 | 27 | 27 | $3,050 | 191 | 26 |
| 2019 | 2 | 27 | 27 | $3,050 | 191 | 25 |
Similar models
| Model | Powertrain | Combined MPG | Annual fuel cost | Model year |
|---|---|---|---|---|
| Karma Revero | Plug-in hybrid | 26 | $3,150 | 2020 |
| Roush Performance Stage 3 Mustang | Gasoline | 15 | $5,500 | 2020 |
Compare and rank
Rankings: Subcompact cars.
Data: US EPA and DOE, as prepared in methods and data.