Journey Cost CalculatorUse the Journey Cost Calculator to discover the savings you could enjoy by switching from a petrol or diesel car to an electric vehicle (EV).EVs offer a number of benefits over conventional petrol or diesel models. Lower fuel costs, reduced maintenance bills, and zero or discounted car tax are just some of them.To use the Journey Cost Calculator, select an EV from the list and choose a petrol or diesel car you’d like to compare. Enter your journey distance, journey frequency and both your home electricity costs and petrol/diesel costs.Compare costs of an electric car with a petrol or diesel carYou can use the Journey Cost Calculator to compare the costs of driving an electric vehicle on a typical journey with those of driving a petrol or diesel car.To use the tool, select an electric vehicle from our list of new or used plug-in vehicles and select a petrol or diesel car that you’d like to compare with an EV. Then enter your journey distance, journey frequency and both your home electricity costs and petrol/diesel costs.Your results will show how much you could save on the total journey fuel cost, when driving electric instead of petrol or diesel. The benefits in cost of driving an EV will also be shown in cost per mile and annual cost for your chosen journey.For details on how to use the Journey Cost Calculator and how it estimates fuel costs, see our Journey Cost Calculator Guide.