Fuel economy & running costsPlug-in hybrid
27MPGcombined
26city
29highway
49 kWh/100 mienergy use
18 midriving range
A year of fuel$3,050
Charge at 240 V3 h
CO₂ from the tailpipe191 g/mi
Figures from the EPA label (fueleconomy.gov), the same as on the car's window sticker.
Against the 2,720 BMW cars
Bars are scaled to the best in the list; the mark shows the list average. Lower is better for fuel cost; higher is better for the rest. All figures are the EPA's.
Summary
2020 BMW I8 Roadster by BMW. The figures below are from US EPA fueleconomy.gov, with the page each one came from.
Details
- Model year
- 2020fueleconomy.gov · 3 Oct 2026
Efficiency
- Combined MPG
- 27fueleconomy.gov · 3 Oct 2026
- City MPG
- 26fueleconomy.gov · 3 Oct 2026
- Highway MPG
- 29fueleconomy.gov · 3 Oct 2026
- Combined MPGe
- 69fueleconomy.gov · 3 Oct 2026
- EPA range
- 18 mifueleconomy.gov · 3 Oct 2026
- Energy use
- 49 kWh/100 mifueleconomy.gov · 3 Oct 2026
Running cost
- Annual fuel cost
- $3,050fueleconomy.gov · 3 Oct 2026
- CO₂ (tailpipe)
- 191 g/mifueleconomy.gov · 3 Oct 2026
Charging
- Charge time at 240 V
- 3 hfueleconomy.gov · 3 Oct 2026
Car
- Body
- Carfueleconomy.gov · 3 Oct 2026
- EPA class
- Two Seatersfueleconomy.gov · 3 Oct 2026
- Drive
- All-Wheel Drivefueleconomy.gov · 3 Oct 2026
Powertrain
- Engine
- 1.5 L 3-cyl turbofueleconomy.gov · 3 Oct 2026
- Transmission
- Automatic 6-spdfueleconomy.gov · 3 Oct 2026
- Fuel
- Gasolinefueleconomy.gov · 3 Oct 2026
More BMW cars
See the list
#1 2027 · BMW 228 Gran Coupe 31Combined MPG $2,650Fuel / year #2 2027 · BMW 228 xDrive Gran Coupe 30Combined MPG $2,750Fuel / year 
#3 2027 · BMW 430i Convertible 30Combined MPG $2,750Fuel / year #4 2027 · BMW 430i Coupe 31Combined MPG $2,650Fuel / year #5 2027 · BMW 430i Gran Coupe 30Combined MPG $2,750Fuel / year #6 2027 · BMW 430i xDrive Convertible 28Combined MPG $2,950Fuel / year Listed on CarCody
- BMW Cars: Every Model and Year With MPG2720 listed
Sources
- fueleconomy.gov/feg/noframes/42370.shtml· checked 3 Oct 2026