Electric Car Salary Sacrifice UK 2026/27: Complete Guide

How EV Salary Sacrifice Works

In a salary sacrifice arrangement you and your employer formally amend your employment contract so that part of your gross salary is replaced by a non-cash benefit -- in this case, an electric car provided on a lease. The key word is gross: the reduction happens before income tax and National Insurance are calculated, so HMRC taxes you on a smaller number.

Your employer arranges the lease with a scheme provider (typically a fleet leasing company), and the monthly lease cost is deducted from your gross salary. You then receive the car for both business and private use and pay Benefit-in-Kind tax on the car's P11D (list) value at the applicable BIK percentage rate -- currently 4% for a zero-emission vehicle in 2026/27.

All running costs such as insurance, servicing, tyres and breakdown cover are usually bundled into the scheme. Home or workplace charging can also be included. The result is a fully inclusive monthly cost funded from pre-tax salary, with only the small BIK charge added on top.

The OpRA Exemption Explained

Optional Remuneration Arrangement rules were introduced in April 2017 to close a loophole where employees could sacrifice salary for valuable benefits and pay very little tax. Under OpRA, most benefits obtained through salary sacrifice are taxed on the higher of the cash sacrificed or the benefit's cash equivalent. For most benefits this removes the advantage entirely.

HMRC carved out an explicit exemption for ultra-low-emission vehicles -- cars with CO2 emissions of 75g/km or less. Pure battery electric vehicles (BEVs) have zero CO2 emissions and always qualify. Because they are exempt from OpRA, the BIK is calculated only on the standard P11D method (list price x BIK percentage), not on the salary given up.

This is what makes EV salary sacrifice work. A GBP650/month sacrifice on a GBP40,000 car would generate GBP7,800/year of salary given up. Under OpRA rules that would be taxed at your marginal rate. Under the EV exemption you pay BIK on 4% of GBP40,000 = GBP1,600 -- roughly GBP640 per year for a higher-rate taxpayer, not GBP3,120.

BIK Rates: Electric Cars Now and Through to 2028

The Government has legislated BIK rates for zero-emission cars through 2028/29 to give employees and employers planning certainty. The rate rises by 1 percentage point each year:

Even at 7% in 2028/29, the BIK tax on a GBP40,000 EV is GBP1,120/year for a higher-rate taxpayer -- well below the income tax and NI savings on a GBP500-700/month sacrifice. Compare this with a petrol car with 120g/km CO2 carrying a 28% BIK rate (GBP11,200 taxable benefit; GBP4,480/year BIK tax for a 40% taxpayer).

Income Tax and NI Savings

The salary sacrifice reduces your gross earnings before both income tax and employee National Insurance are applied. In 2026/27 the employee NI rates are 8% on earnings between the Primary Threshold (GBP12,570) and the Upper Earnings Limit (GBP50,270), and 2% above GBP50,270.

A basic-rate taxpayer sacrificing GBP500/month has their take-home pay reduced by only GBP360/month (GBP500 less GBP140 tax+NI saving). Add the monthly BIK charge and the net cost is still well below a comparable personal lease funded from taxed income.

The Employer National Insurance Saving

Employers pay Class 1 NI at 15% on earnings above the secondary threshold (GBP5,000 per year from April 2025). When you sacrifice salary, that sacrificed amount disappears from the employer's NI calculation, saving them 15p for every pound you give up.

On a GBP500/month sacrifice the employer saves GBP75/month -- GBP900 over a year or GBP2,700 over a standard 3-year lease. Some employers, particularly larger ones with fleet management departments, pass this saving back to employees in one of three ways:

• A contribution to the monthly scheme cost, reducing the gross sacrifice required to fund the lease.
• An enhanced pension contribution, adding the saved NI to the employee's pension pot.
• A direct salary supplement paid to the employee outside the scheme.

If your employer shares the NI saving, the effective net cost of the car drops further. Always ask your HR or fleet department whether the NI saving is passed on, and how.

EV Salary Sacrifice vs Petrol Company Car

A traditional petrol or diesel company car carries a BIK percentage based on its CO2 emissions -- typically 25-37% for a mid-range petrol. On a GBP30,000 petrol car at 30% BIK, the annual taxable benefit is GBP9,000. For a higher-rate taxpayer that is GBP3,600 of BIK tax per year.

Under a conventional company car scheme there is no salary sacrifice mechanism -- the car is simply provided as a benefit and the BIK tax is collected through PAYE. There is no NI or income tax saving; you simply pay BIK tax on top of your normal salary.

With EV salary sacrifice, the gross salary reduction saves income tax and NI, and the BIK is tiny. The combined effect is that many employees find a GBP40,000 EV through salary sacrifice costs less per month net than a GBP25,000 petrol car provided as a standard company car benefit.

PHEV vs Pure EV Comparison

Plug-in hybrid electric vehicles (PHEVs) also qualify for the OpRA exemption if their CO2 emissions are 75g/km or below. However, their BIK rates are substantially higher than pure EVs and depend on both the CO2 band and the vehicle's all-electric range:

A PHEV with only 30 miles of electric range at 14% BIK generates GBP5,600 of taxable benefit on a GBP40,000 car -- GBP2,240/year in BIK tax for a 40% taxpayer. That is more than three times the BIK cost of the equivalent pure EV. PHEVs still benefit from the income tax and NI saving on the salary sacrifice, but the BIK burden erodes much of the advantage. For maximum saving, a pure BEV is always preferable.

Qualifying Vehicles

To qualify for the OpRA exemption the vehicle must be a car (not a van, motorcycle or other vehicle) with CO2 emissions of 75g/km or less. All battery electric cars qualify. The car must be provided to you by your employer under a lease -- your employer has to be the contracting party with the fleet leasing provider, not you personally.

There is no upper P11D (list price) limit in the rules, but scheme providers and employers typically cap the cars available. Most schemes cover vehicles from all major manufacturers. Second-hand EVs can be included if the employer's scheme allows, but the P11D value used is the original list price, not the second-hand purchase price.

If you are unsure whether a specific vehicle qualifies, ask your employer's fleet provider to confirm the CO2 rating and BIK percentage before committing.

Interaction with the Pension Annual Allowance

The electric car salary sacrifice does not itself constitute a pension contribution and does not use any part of your annual allowance (GBP60,000 in 2026/27, or 100% of earnings if lower). BIK on a company car is similarly not a pension input.

However, there are two related issues to be aware of. First, if your employer runs a combined sacrifice arrangement covering both pension contributions and an EV, the pension element must stay within your allowance. Second, if you have a defined-benefit or career-average pension scheme that uses your pensionable salary in its formula, reducing that salary via sacrifice can reduce your benefit accrual. This is rarely a concern in defined-contribution schemes.

High earners approaching the tapered annual allowance threshold (adjusted income above GBP260,000) should model whether adding an EV sacrifice affects their tapering calculation, though in most cases it will not because the sacrifice reduces adjusted income.

What Happens at Scheme End

At the end of the lease term -- usually 2, 3 or 4 years -- you typically have three options, subject to the scheme provider's terms:

1. Hand the car back. The most common outcome. No further financial obligation beyond any excess mileage or damage charges stipulated in the lease.
2. Extend the lease. Roll into a new lease term, sometimes at a lower monthly cost as the car's residual value falls.
3. Purchase the car. At the pre-agreed residual value (also called the balloon payment). This can be done by you personally or by a third party.

If you leave your employer before the lease ends, early termination rules apply. Typically you must either return the car (paying any early-exit fee), or novate the lease -- transfer it -- to your new employer or to yourself personally at market rates. Early-exit costs can be several months of payments, so always check this clause before signing.

There is no income tax or Capital Gains Tax event when you hand the car back at the end of a standard lease, as you never owned it. A purchase of the car at residual value is a personal transaction and is not a salary sacrifice event.

Worked Examples: GBP30k / GBP50k / GBP80k Salary

All examples use a GBP40,000 P11D Kia EV6 with a GBP600/month gross sacrifice and 2026/27 tax rates. The BIK charge is 4% of GBP40,000 = GBP1,600/year (GBP133.33/month), taxed at the employee's marginal rate.

These are illustrative estimates. Use the salary sacrifice calculator for personalised figures including your exact tax code, pension contributions and student loan plan.

Pitfalls to Watch

• Reduced mortgage borrowing. Your contracted gross salary falls. Many lenders base affordability on the post-sacrifice figure, reducing the amount you can borrow. Ask for a pre-sacrifice salary letter from your employer when applying.
• Impact on statutory pay. Statutory Maternity Pay (SMP at GBP194.32/week from week 7, or 90% AWE), Statutory Sick Pay (GBP123.25/week) and statutory redundancy pay are all based on your post-sacrifice earnings. Heavy sacrifice can reduce these entitlements materially.
• National Minimum Wage floor. Post-sacrifice cash pay must not fall below the National Living Wage (GBP12.71/hr for 21+ in 2026/27). This is rarely an issue for full-time office workers but matters for part-time or lower-paid employees.
• Early exit costs. Leaving your employer mid-lease can trigger significant termination charges. Read the scheme agreement before signing.
• BIK rate increases. Rates rise from 4% to 7% by 2028/29. Model the full cost over the lease term, not just year one.
• Mileage caps. Most fleet leases have an annual mileage limit. Exceeding it triggers per-mile excess charges at scheme end.

Official References

• HMRC: Optional remuneration arrangements (EIM44000)
• HMRC: Company car benefit (EIM23000)
• GOV.UK: Company car and fuel benefit checker
• GOV.UK: Benefit-in-kind rates for zero-emission vehicles
• HMRC: Salary sacrifice for employers

Frequently Asked Questions