List price incl. VAT and most options, less any one-off capital contribution.
HMRC sets a fixed figure each year (check the current car fuel benefit charge on gov.uk). The fuel benefit = this figure × your BIK %.
Your employer pays Class 1A NI on the total benefit. Confirm the current rate on gov.uk.
Annual company car tax
per month from your pay
Cost to your employer
Class 1A NI per year on the total benefit (in addition to your own tax).
Estimate only. The BIK % depends on the car's CO₂ emissions - electric cars are very low. Check your band on gov.uk.
How your annual tax changes as the BIK percentage rises - a low-emission or electric car can sit at the far left, a high-emission car at the right.
Based on a P11D of at . Your current band is highlighted in the table below.
| BIK % | Taxable benefit | Annual tax | Per month |
|---|---|---|---|
The Company Car Tax Calculator does more than show a number. Below your result it explains what your figures mean in practice - your effective and marginal rates, any allowances or thresholds you are close to, and the specific steps to take next. Enter your details above and the guidance updates to match your situation.
Do this next, in order
Estimates only - not financial or tax advice. Confirm figures on GOV.UK or with an adviser.
| Car | P11D | BIK | Annual tax | Per month | |
|---|---|---|---|---|---|
Company Car Tax Calculator by TaxFly — free UK tax calculators