Company car and fuel benefit-in-kind

Work out the taxable benefit on your company car.

The taxable benefit on your company car is based on the CO2 emissions of the car. These calculations are for the 2025/26 tax year.

The list price of the car and the cost of any optional extras.

The approved CO2 emissions of the vehicle - you can look it up on the official government website
The Diesel Supplement applies to diesel cars that (i) do NOT meet the Euro 6d emissions standard OR (ii) were registered BEFORE 1 September 2017. Diesel Electric hybrids are exempted from the supplement.

Please enter the electric range if applicable.

Does your employer pay for any private fuel for a company car?

Note: These calculations are only for illustrative purposes and are not a substitute for professional advice.

Alternative calculators

ACCA Approved EmployerACCA sage aat xero

© 2025 Walkers Chartered Accountants. All rights reserved.

We use cookies on this website, you can find more information about cookies here.

Walkers Accountants Ltd is a limited company registered in England and Wales, number 06421546. The registered office is Aireside House, Aireside Business Centre, Royd Ings Avenue, Keighley, BD21 4BZ where a list of members is kept.
Walkers Accountants Ltd is regulated by the Institute of Chartered Accountants in England and Wales for a range of investment business activities. Walkers Chartered Accountants is a trading style of Walkers Accountants Ltd.