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Car Tax Calculator

Calculate the tax on a company car

Just got a new job or promotion? If you've been offered a company car, find out how much it will cost you using our calculator.

Explanation of terms     Terms & conditions     CO2 company car tax rules

Car Details

Add details for your car to the form below. If you don't have the relevant details to hand, you can:

  • use the 'look up car data' facility – if you know which make and model you want to use, or
  • use the Car Searchfacility – if you want to browse for an appropriate make and model to use

Once you have the relevant details, complete the form and select 'calculate'.

Petrol  Diesel

Finance Details

You will find these details on your payslip. If you're unsure, check with your payroll department.


Mileage Details

If you've been using your own car for business, calculate how many miles you do on average per year. If you already have a company car, enter your business miles for last year.




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