BMW i4 M50: real kWh per mile and charging cost
The BMW i4 M50 consumes 0.329 kWh per mile in real-world UK driving (3.04 miles per kWh), versus an official figure of 3.77 mi/kWh.
Charging and efficiency figures
- Real-world efficiency: 3.04 mi/kWh
- Official efficiency: 3.77 mi/kWh
- Battery (usable): 84 kWh
- Real-world range: 255 miles
- Official WLTP range: 317 miles
- Annual home-charging energy (10,000 mi): 3,289 kWh
- Annual home-charging cost (8.5p/kWh off-peak): £280
On a 7kW home charger and an EV-friendly off-peak tariff (around 8.5p/kWh), 10,000 miles costs roughly £280 per year — about 23 pounds a month.