BMW i8 MPG
EPA fuel economy for 8 BMW i8 trims sold from 2014 to 2020. Best ever: 28 MPG (2017 i8). Latest model year 2020: 27 MPG combined across 2 trims.
BMW i8 fuel cost calculator
Enter what you pay for fuel and how far you drive in a year. The starting prices are the ones the EPA uses for its own yearly fuel-cost estimates. Every cost on this page updates as you type.
At $5.16 a gallon for premium, $0.15 per kWh and 15,000 miles a year, every 2020 BMW i8 trim costs about $2,130 a year to fuel.
| 2020 trim | Engine | Transmission | Drive | Fuel | Comb | Cost/yr | vs cheapest |
|---|---|---|---|---|---|---|---|
| I8 Coupe | 1.5 L, 3 cyl, Plug-in Hybrid | Auto 6-spd | AWD | Premium and Electricity | 27 | $2,130 | cheapest |
| I8 Roadster | 1.5 L, 3 cyl, Plug-in Hybrid | Auto 6-spd | AWD | Premium and Electricity | 27 | $2,130 | cheapest |
Cost per year is miles per year divided by the EPA combined rating, times your fuel price; electric vehicles use the EPA's kWh per 100 miles instead. Plug-in hybrids blend electricity and gasoline by the EPA utility factor, the share of miles the EPA expects on battery power. Rounded to the nearest $10. Your prices are kept in this browser only.
BMW i8 MPG by year
| Year | Best combined | City | Hwy | Best trim that year | Trims |
|---|---|---|---|---|---|
| 2020 | 27 | 26 | 29 | I8 Coupe, 1.5 L, 3 cyl, Plug-in Hybrid, Auto 6-spd | 2 |
| 2019 | 27 | 26 | 29 | I8 Coupe, 1.5 L, 3 cyl, Plug-in Hybrid, Auto 6-spd | 2 |
| 2017 | 28 | 28 | 29 | i8, 1.5 L, 3 cyl, Plug-in Hybrid, Auto 6-spd | 1 |
| 2016 | 28 | 28 | 29 | i8, 1.5 L, 3 cyl, Plug-in Hybrid, Auto 6-spd | 1 |
| 2015 | 28 | 28 | 29 | i8, 1.5 L, 3 cyl, Plug-in Hybrid, Auto 6-spd | 1 |
| 2014 | 28 | 28 | 29 | i8, 1.5 L, 3 cyl, Plug-in Hybrid, Auto 6-spd | 1 |
Every BMW i8 trim
| Year | Trim | Engine | Transmission | Drive | Fuel | City | Hwy | Comb | CO2 g/mi | Fuel cost/yr |
|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | I8 Coupe | 1.5 L, 3 cyl, Plug-in Hybrid | Auto 6-spd | AWD | Premium and Electricity | 26 | 29 | 27 | 191 | $2,130 |
| 2020 | I8 Roadster | 1.5 L, 3 cyl, Plug-in Hybrid | Auto 6-spd | AWD | Premium and Electricity | 26 | 29 | 27 | 191 | $2,130 |
| 2019 | I8 Coupe | 1.5 L, 3 cyl, Plug-in Hybrid | Auto 6-spd | AWD | Premium and Electricity | 26 | 29 | 27 | 191 | $2,130 |
| 2019 | I8 Roadster | 1.5 L, 3 cyl, Plug-in Hybrid | Auto 6-spd | AWD | Premium and Electricity | 26 | 29 | 27 | 191 | $2,130 |
| 2017 | i8 | 1.5 L, 3 cyl, Plug-in Hybrid | Auto 6-spd | AWD | Premium and Electricity | 28 | 29 | 28 | 199 | $2,120 |
| 2016 | i8 | 1.5 L, 3 cyl, Plug-in Hybrid | Auto 6-spd | AWD | Premium and Electricity | 28 | 29 | 28 | 198 | $2,120 |
| 2015 | i8 | 1.5 L, 3 cyl, Plug-in Hybrid | Auto 6-spd | AWD | Premium and Electricity | 28 | 29 | 28 | 198 | $2,120 |
| 2014 | i8 | 1.5 L, 3 cyl, Plug-in Hybrid | Auto 6-spd | AWD | Premium and Electricity | 28 | 29 | 28 | 198 | $2,120 |
CO2 is tailpipe grams per mile from the EPA test. Fuel cost per year uses the prices and miles in the calculator above (the EPA's own prices and 15,000 miles a year until you change them); blank when the fuel has no price here (hydrogen, natural gas).
Compare with other 2020 Subcompact Cars
| Vehicle | Combined | City | Hwy |
|---|---|---|---|
| 2020 BMW i3 | 113 | 124 | 102 |
| 2020 MINI Cooper SE Hardtop 2 door | 108 | 115 | 100 |
| 2020 Toyota Mirai | 67 | 67 | 67 |
| 2020 Chevrolet Spark | 33 | 30 | 38 |
| 2020 Audi A3 | 30 | 27 | 36 |
| 2020 Lexus LC 500h | 30 | 27 | 35 |
All Subcompact Cars ranked by MPG
Questions people ask
What is the best MPG for a BMW i8?
The most efficient BMW i8 the EPA has rated is the 2017 i8 at 28 MPG combined (28 city, 29 highway).
What MPG does the 2020 BMW i8 get?
Every 2020 BMW i8 trim is rated 27 MPG combined.
Which BMW i8 has the worst fuel economy?
The 2020 I8 Coupe is the lowest rated at 27 MPG combined.
How much does it cost to fuel a BMW i8 for a year?
At $5.16 a gallon for premium, $0.15 per kWh and 15,000 miles a year, every 2020 BMW i8 trim costs about $2,130 a year to fuel.
More from BMW: every BMW model. Fuel types on this model: Premium and Electricity. EPA classes: Subcompact Cars, Two Seaters.