Electric (EV) Company Car Tax — £40,000 List Price
£30,000 salary · 3% BIK rate · England & Wales 2025-26
Company car BIK tax breakdown — 2025-26
| Car list price | £40,000 |
| BIK percentage (Electric (EV)) | 3% |
| Taxable BIK value | £1,200 |
| Gross salary | £30,000 |
| Total taxable income (salary + BIK) | £31,200 |
| Income Tax on BIK | £240/year |
| National Insurance on BIK | £96/year |
| Total annual BIK tax cost | £336/year |
| Monthly BIK tax cost | £28/month |
BIK value = £40,000 × 3% = £1,200. Tax calculated using 2025-26 England & Wales Income Tax and National Insurance rates.
Is this company car worth it?
Electric company cars are generally excellent value in 2025-26. At 3% BIK, the tax cost is minimal and running costs are low — no fuel, free workplace charging, no road tax, and often lower servicing costs.
| Scenario | Monthly cost |
|---|---|
| Company car BIK tax (this car) | £28 |
| Typical private car lease (comparable) | £200–£267 |
| EV alternative at 3% BIK (same list price) | £28/mo approx. |
Private lease estimates are approximate (list price ÷ 150–200). EV alternative uses 3% BIK rate at basic rate tax (20% IT + 8% NI). Actual figures depend on individual lease terms and tax position.
Personalised insights for this company car
On a £30,000 salary, the £336/year BIK charge consumes 1.1% of your gross income. For context, it would take 0.2 months of National Living Wage gross pay (£1,984/month) to cover this tax bill. The company car works out roughly £206/month cheaper than running a comparable Electric (EV) privately, making it a net financial win.
Electric (EV) company car tax on £30,000 salary — explained
With a £40,000 Electric (EV) on a £30,000 salary, HMRC applies the 3% BIK rate to calculate a benefit in kind value of £1,200 per year. This amount is added to your gross salary, bringing your total taxable income to £31,200.
The additional Income Tax on this BIK is £240 per year (£28/month equivalent). You also pay National Insurance of £96 per year on the BIK value. Combined, the company car costs you £336 per year in extra tax — deducted through PAYE each pay period.
Unlike salary, you do not receive cash for the BIK — the car is the benefit. The question is whether the car's value to you (private fuel, convenience, cost vs. personal leasing) exceeds the £28/month tax cost.
Put differently: this BIK charge is the equivalent of sacrificing £467 of gross salary — because at your marginal rate (28% combined (basic rate IT + NI)), that gross figure would deliver the same net hit as the £336/year BIK tax. It also equates to roughly 0.2 months of National Living Wage gross pay (£23,810/year in 2025-26). The company car works out roughly £206/month cheaper than running a comparable Electric (EV) privately, making it a net financial win. For many EV drivers, the 3% BIK rate makes the company car option a clear winner.
Frequently asked questions
How much company car tax do I pay on a £40,000 Electric (EV) on a £30,000 salary?
On a £30,000 salary, a £40,000 list price Electric (EV) with a 3% BIK rate creates a benefit in kind value of £1,200 per year. This adds £240 in Income Tax and £96 in National Insurance — a total of £336 per year (£28 per month).
How is company car tax calculated?
HMRC calculates company car tax using: BIK value = list price × CO2-based percentage. The BIK value is added to your gross salary and taxed at your marginal Income Tax rate. You also pay National Insurance at 8% (or 2% above £50,270) on the BIK value. For this car, the 3% rate gives a BIK value of £1,200, adding £336 to your annual tax and NI bill.
Is an EV company car worth it?
Electric company cars are generally excellent value in 2025-26. At 3% BIK, the tax cost is minimal and running costs are low — no fuel, free workplace charging, no road tax, and often lower servicing costs. For this specific car (£40,000 list, £30,000 salary), the monthly BIK cost is £28.
Can I reduce company car tax?
Yes — the most effective way is to choose a lower-emission vehicle. Electric cars have a 3% BIK rate versus 29-37% for high-emission petrol/diesel. You can also make a capital contribution (up to £5,000) to reduce the list price used in the BIK calculation. Alternatively, returning the company car and taking additional salary or opting for an EV salary sacrifice scheme avoids company car tax entirely.
What is the monthly company car tax cost for a £40,000 Electric (EV)?
The monthly BIK tax cost for a £40,000 Electric (EV) on a £30,000 salary is £28/month. This breaks down as £240 Income Tax and £96 National Insurance annually, collected through PAYE. Over a typical 3-year company car contract, this amounts to approximately £1,008 in total BIK tax.
How does the £40,000 P11D value affect my take-home pay compared to a salary increase?
A company car does not increase your cash take-home pay — it adds £1,200 to your taxable income, costing you £336/year in extra tax. To match the car value in after-tax cash, your employer would need to increase your salary by roughly £1,200. Whether the car is worth more to you than that equivalent salary uplift depends on your personal use of the vehicle and whether you would otherwise pay for a private lease.