Car tax and company car benefit in kind UK 2026: how company car BiK tax is calculated. CO2-based BiK percentages, electric company car rates and how to reduce your company car tax bill.
Understanding Company Car Benefit in Kind Tax UK 2026
Vehicle Excise Duty (VED) rules in the UK cover a wide range of vehicle types and uses. Understanding how road tax applies to your specific situation is essential for staying compliant with DVLA requirements and avoiding fines.
VED Rates and Classifications
UK road tax is calculated based on vehicle type, CO2 emissions and usage. The following table summarises key rates for company car benefit in kind tax uk 2026:
| Vehicle Type | VED Class | Notes | Annual Cost |
|---|---|---|---|
| Pure Electric | 2 percent | P11D value | Very low tax |
| Plug-in Hybrid 1-50g | 5-14 percent | P11D value | Moderate tax |
| Petrol 165g/km plus | 37 percent | P11D value | Highest rate |
How Road Tax Works for This Vehicle Type
Company car benefit in kind tax is calculated by applying a BiK percentage to the vehicle's P11D value (list price including options). The BiK percentage is based on CO2 emissions, with pure electric vehicles attracting just 2 percent from April 2026. Drivers pay income tax on the BiK value at their marginal rate. The fuel benefit charge applies when an employer provides fuel for private use.
Key Takeaways
- BiK Formula: BiK tax = BiK percentage x P11D value x your income tax rate
- Electric Car Advantage: EV company cars are taxed at just 2 percent of their P11D value
Note: If you drive your company car fewer than 500 miles per year for business, you may be able to opt out of the BiK scheme and receive a cash allowance instead. Compare the cash equivalent value against your expected BiK liability.
For more information about UK vehicle tax and to calculate your specific road tax obligations, use our free car tax calculator covering all UK vehicle types and emissions bands.