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Company car and fuel benefit-in-kind

Work out the taxable benefit on your company car.

  1. Resources
  2. Online calculators

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.

AAT Sage The Chartered Institute of Payroll Professionals FSB
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Angela Moore is licensed and regulated by the Association of Accounting Technicians to provide services in accordance with licence number 4068 details of which are displayed as the address shown.