Inputs
Enter your annual mileage, realistic EV miles per kWh, home or public charging price, petrol MPG, and pump price per litre.
Vehicle cost calculator
Electric car vs petrol cost calculator
Compare annual running energy costs for an electric car and a petrol car. Use your mileage, tariff, EV efficiency, MPG, and petrol price for a quick like-for-like estimate.
Method
EV cost is annual kWh multiplied by electricity price. Petrol cost converts MPG to litres using an imperial gallon of 4.54609 litres.
Result
The result compares energy and optional annual extras only. It does not include purchase price, insurance, tax, depreciation, servicing, charging losses, or finance.