Car Running Cost Calculator
Estimate your monthly and annual cost to run a car in the UK.
Fuel, insurance, tax, servicing, tyres, brakes and repair reserve.
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Vehicle details
Choose the exact vehicle and year you want to model.
Usage
Adjust how the car is used and confirm the fuel economy you expect.
Running costs
Fill in your real monthly costs and fine-tune editable estimates.
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Your estimate will appear here
Choose your car and enter a few details to see your estimated running cost.
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How this estimate works
Vehicle details
We use the car you choose, your annual mileage and your driving pattern to shape the estimate.
Editable real-world costs
Insurance, finance, MPG, tax and repair reserve stay editable so you can reflect your own situation.
Maintenance assumptions
Servicing, tyres and brakes are estimated from the vehicle type, wheel size and quality levels you choose.
What is included
Included
- Fuel or electricity
- Insurance
- Estimated vehicle tax
- Servicing budget
- Tyres and brakes
- Monthly repair reserve
Not included
- Parking, tolls and congestion charges
- Unexpected finance fees or penalties
- Optional warranties or cosmetic work
- Depreciation and resale timing
Frequently asked questions
Does this include depreciation?
No. This calculator focuses on the regular monthly and annual costs of keeping the car on the road.
Why is tax still an estimate?
Tax can vary with registration timing and official DVLA rules, so it is best used as a helpful guide.
Why do I enter insurance myself?
Insurance depends heavily on the driver, postcode, cover level and claims history, so manual input is more realistic.
Can I edit the MPG or tax figure?
Yes. If you know your own real-world MPG or confirmed tax amount, you can update both fields.