Company car & fuel benefit-in-kind
Estimate the benefit-in-kind tax on a company car (and fuel benefit) using current CO₂-based rates.
The calculator
How the company car tax calculator works
A company car available for private use is a taxable benefit in kind. The taxable amount is based on the car’s list price multiplied by an “appropriate percentage” set by its CO₂ emissions (with the lowest percentages for electric and low-emission cars), then taxed at your income tax rate. Where private fuel is also provided, a separate fuel benefit applies.
This calculator estimates the benefit-in-kind and the tax on it. The percentage bands change each year, so the result is a guide — we can advise on the most tax-efficient vehicle choice for you or your business.
Frequently asked
Are electric company cars taxed less?+
Yes — fully electric cars attract a very low appropriate percentage, making them highly tax-efficient as a company car compared with petrol or diesel equivalents.
Should I provide private fuel?+
The fuel benefit charge is often more than the fuel is worth for lower-mileage drivers. We can model whether providing private fuel makes sense in your case.