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Benefit In Kind Calculator
COMPANY CAR — 2026/27
Calculate the income tax you'll pay on a company car benefit. Based on the car's P11D list price, CO2 emissions and your marginal income tax rate.
Manufacturer's list price including VAT & optional extras, less any capital contributions.
Only used for petrol / non-RDE2 diesel cars.
For guidance only. Uses HMRC 2025/26 BIK rates. Electric: 4% in 2026/27 (rising to 5% in 2027/28, 7% in 2028/29, 9% in 2029/30). Petrol bands rise by 1% from 51g/km in 5g/km increments to 37% max. Diesels not meeting RDE2 standard get +4% (capped at 37%). Also payable: employer Class 1A NI at 15% of the benefit. Doesn't cover: car fuel benefit, vans, classic cars, pool cars, or capital contributions. For company car structuring, book a free call.
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