Mercedes-AMG GT XX Performance: real kWh per mile and charging cost
The Mercedes-AMG GT XX Performance consumes 0.455 kWh per mile in real-world UK driving (2.2 miles per kWh), versus an official figure of 2.8 mi/kWh.
Charging and efficiency figures
- Real-world efficiency: 2.2 mi/kWh
- Official efficiency: 2.8 mi/kWh
- Battery (usable): 110 kWh
- Real-world range: 320 miles
- Official WLTP range: 400 miles
- Annual home-charging energy (10,000 mi): 4,545 kWh
- Annual home-charging cost (8.5p/kWh off-peak): £386
On a 7kW home charger and an EV-friendly off-peak tariff (around 8.5p/kWh), 10,000 miles costs roughly £386 per year — about 32 pounds a month.