Calculate car running costs over 1 to 5 years, including depreciation, fuel or charging, tax, insurance, and servicing.
Estimate and compare the running costs of petrol, diesel, and electric cars. This UK car running cost calculator also shows total cost of ownership (TCO), monthly cost, cost per mile, and an EV-versus-petrol energy-cost comparison.
Calculations use your input figures, standard UK fuel formulas (4.54609 litres per UK gallon), and compounding annual depreciation models. Actual running expenses vary based on driving style, electricity tariff terms, insurance risk profiles, and market resale value fluctuations.
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UK Car Running Cost Calculator estimates and compares the cost of running petrol, diesel, and electric cars over one to five years. It combines depreciation, fuel or charging, road tax, insurance, and servicing, then presents the total cost of ownership (TCO).
Vehicle: Electric EV, Price: £28,000, Mileage: 10,000 miles/yr, Efficiency: 3.8 mi/kWh, Energy: 7.5 p/kWh, Term: 3 years Result: Total 3-Year TCO: £14,842.10 (£412.28/month, £0.49/mile). EV charging saves ~£1,365/year compared to a 42 MPG petrol car.
TCO combines vehicle value depreciation over your chosen period with total fuel or electricity costs, VED road tax, insurance, and routine maintenance/MOT expenses.
Off-peak EV electricity tariffs (e.g. 7p–9p/kWh) can reduce fuel expenses by 70% to 80% compared to petrol or diesel, saving £1,000+ per year over 10,000 miles.
Fuel
Calculate fuel cost from distance, vehicle efficiency, and pump price.
Fuel
Calculate UK miles per gallon from miles travelled and litres used, with a clear comparison to litres per 100 kilometres.
Finance
Calculate monthly car loan repayments, total repayable, and total interest from vehicle price, deposit, APR, and term.