The BMW i8 can go from 0–100 km/h (0–62 mph) in 4.4 seconds and has a top speed of 250 km/h (155 mph). The BMW i8 has a fuel efficiency of 2.1 L/100 km (134.5 mpg-imp; 112.0 mpg-US) under the NEDC test with carbon emissions of 49 g/km. EPA rated the i8 combined fuel economy at 76 equivalent (MPG-equivalent) (3.1 L gasoline equivalent/100 km; 91 mpg-imp gasoline equivalent) and ’29 miles per gallon’ when running in pure gasoline mode (after the battery is drained empty).