What Is Salary Sacrifice Car Leasing? UK Guide

Salary sacrifice car leasing works like this: your employer leases a car, gives it to you as a company car, and you agree in writing to give up an agreed amount of your gross salary each month in exchange. Because that amount leaves your pay before income tax and National Insurance are worked out, you pay tax on a smaller salary - and instead pay Benefit-in-Kind (BiK) tax on the car, which for a pure electric car is just 4% of its list price in the 2026/27 tax year.

How does salary sacrifice car leasing work?

Your employer signs a lease for the car and provides it to you as a company car. You sign a written variation to your employment contract reducing your gross salary by an agreed monthly amount for the length of the lease. Payroll then calculates your income tax and National Insurance on the reduced figure, and adds the BiK charge for the car.

Four parties are involved, and it helps to know who does what. The funder owns the car. A broker like FVL sources it and arranges the lease. Your employer holds the agreement and runs the payroll. You drive it.

The sequence, step by step

1. Your employer sets up a scheme. They agree terms with a provider, set a policy - which cars, what term, what mileage, who's eligible - and get payroll ready.
2. You choose a car from the available range. Most schemes are electric-only, and most run over 24, 36 or 48 months with an agreed annual mileage.
3. You're quoted a gross sacrifice figure and a net cost. The gross figure is what comes off your salary. The net figure is what it genuinely costs you after tax relief and BiK. Look at the net one.
4. You sign a contract variation. Not a deduction from net pay - an actual change to your contractual salary. HMRC is firm on this point, and a scheme that gets it wrong loses the tax treatment.
5. The car is delivered and payroll adjusts. Your payslip shows a lower gross salary, and your tax code or payrolled benefits reflect the BiK charge on the car.

According to HMRC's guidance for employers, a salary sacrifice arrangement is an agreement to reduce an employee's entitlement to cash pay in return for a non-cash benefit, and it's set up by changing the terms of the employment contract. That's the whole legal basis. Everything else - the car, the insurance, the tyres - hangs off that one contractual change.

What do you actually pay each month?

You pay two things: the net cost of the salary you gave up, and the income tax on the BiK. The sacrifice costs you less than its face value because it comes out of gross pay. The BiK is a small additional tax charge. Add them together and that's your real monthly figure.

Here's an illustrative example. The numbers are round and invented for clarity - they are not a quote.

Two things jump out. First, the same car costs the higher-rate taxpayer less, because the relief is worth more to them. Second, even for the basic-rate taxpayer, £387 for an all-in £40,000 electric car with insurance and servicing included is competitive with a personal lease where you'd still be paying insurance separately.

The sharpest saving of all sits between £100,000 and £125,140 of income, where the personal allowance tapers away and the effective marginal income tax rate reaches 60%. Sacrificing salary in that band reclaims allowance as well as reducing taxable pay, so the net cost of the car falls sharply. We see a lot of interest from people who've just crossed £100,000 for exactly this reason.

Why are salary sacrifice cars almost always electric?

Because of one rule. HMRC's Optional Remuneration Arrangement (OpRA) rules, introduced in 2017, say that where a benefit is taken instead of cash, you're taxed on the higher of the salary given up or the normal BiK value. That wipes out the advantage. Cars emitting 75g/km CO2 or less are specifically excluded from that rule.

So for an electric car, you're taxed only on the BiK - 4% of list price in 2026/27 - not on the £6,000 of salary you gave up. Put a petrol car through the same scheme and you'd be taxed on the £6,000, and the whole exercise becomes pointless. It's the carve-out, not the car, that makes the maths work.

What happens to EV BiK rates over the next few years?

They rise, but slowly, and they're published well in advance so you can plan a four-year lease with your eyes open. Under HMRC's published company car tax rates, the appropriate percentage for zero-emission cars is:

For comparison, petrol and diesel company cars sit at roughly 15% to 37% of list price for 2026/27, with the rate scaling by CO2 emissions. Even at 9% in 2029/30, an EV is in a different league. If you want the mechanics of that charge in full, our guide to Benefit-in-Kind tax takes it apart properly.

Plug-in hybrids sit awkwardly in the middle. Some qualify under the 75g/km threshold, but their BiK rates are much higher than a pure EV's and the gap widens from 2028/29. In practice, almost every scheme we see is electric-only.

What's included in a salary sacrifice car?

Almost everything. A typical salary sacrifice rental bundles the lease, servicing, maintenance, replacement tyres, breakdown cover, vehicle excise duty and - unusually for a lease - fully comprehensive insurance for the driver and often named family members. You add electricity, and that's roughly it.

At the end of the term you hand the car back and the condition assessment follows BVRLA fair wear and tear standards - the industry benchmark that separates normal use from chargeable damage. Small stone chips and light scuffs are expected on a three-year-old car. A cracked alloy or a dented panel isn't. Worth knowing before you agree the mileage.

Salary sacrifice vs company car vs personal lease

Salary sacrifice is a company car funded by the employee. A traditional company car is funded by the employer. A personal lease is funded by you from taxed income. All three put a car on your drive; the difference is who pays, who carries the risk, and how HMRC treats it.

If your employer offers a cash allowance instead of a car, the arithmetic changes again - we've set that out in company car vs car allowance. And if you're weighing a personal lease against a business one, personal vs business lease covers the trade-offs. For the underlying mechanics of a business contract hire agreement, start with business car leasing explained.

What are the downsides and risks?

There are four worth knowing about, and none of them are hidden - they're just rarely put on the front page. The car is tied to your job. Your gross salary drops. Early exit can cost money. And leaving the scheme isn't something you can do on a whim.

Your gross salary is genuinely lower

This is the one that catches people out. A lower gross salary can reduce what a mortgage lender will offer, though many lenders will consider your pre-sacrifice salary if you ask. It can also affect statutory maternity and paternity pay, and any employer benefit calculated on contractual salary - death in service cover, for instance. If you're applying for a mortgage in the next twelve months, talk to your broker before you sign anything.

The National Minimum Wage floor

Under HMRC rules, a salary sacrifice arrangement must not reduce your cash earnings below National Minimum Wage rates - and employers have to cap deductions to make sure of it. The National Living Wage is £12.71 an hour from 1 April 2026 for workers aged 21 and over. If you're close to that floor, the amount you can sacrifice will be limited or you may not be eligible at all.

What if you leave, or are made redundant?

The car normally goes back. Most schemes now carry some form of early termination protection - covering redundancy, long-term sick leave, maternity and sometimes resignation - but the extent varies enormously between providers. Read that section of the scheme documents first, not last. Honestly, if you're planning to change jobs inside the next year, a salary sacrifice car is probably the wrong choice.

You can't dip in and out

HMRC treats an arrangement you can swap in and out of at will as not being a genuine salary sacrifice, and the tax advantages fall away. Opt-out is normally limited to defined lifestyle events. Treat the term you sign up to as fixed.

What does a scheme cost the employer?

Usually nothing, and often it saves money. The employer's National Insurance bill falls because it's calculated on the reduced salary. Against that, the employer pays Class 1A National Insurance at 15% on the car's BiK value - which on a 4% EV benefit is small. Most schemes are designed to be cost-neutral or better.

Take the same illustrative £500-a-month sacrifice on a £40,000 EV. The employer stops paying employer NI on £6,000 of salary. It starts paying Class 1A NI on a £1,600 BiK value - 15% of that is £240 a year. The lease itself is funded by the sacrificed salary, so it's not a new cost line.

What employers need to get right

• A written variation to each employee's contract - not a net-pay deduction dressed up as one
• Payroll configured to calculate PAYE and NI on the reduced salary
• A cap so nobody's cash pay drops below National Minimum Wage
• BiK reported correctly, either payrolled or via P11D
• A clear policy on early termination, and cover for it

VAT is worth a word too. On a car lease the business can normally recover 50% of the VAT on the finance element where there's private use, plus VAT on the maintenance element - our guide to reclaiming VAT on a business lease goes through it. The wider accounting treatment sits in how business leasing affects your tax and accounts.

Is salary sacrifice right for you?

It's a strong option if you're a stable employee, a higher-rate taxpayer, happy in an electric car and not about to move house or job. It's a weak option if your pay is near the minimum wage floor, your job is uncertain, or you can't charge an EV conveniently. Run through the checklist below honestly.

So is it actually cheaper than a personal lease?

For an electric car, for a higher-rate taxpayer, with insurance included - yes, usually by a clear margin. For a basic-rate taxpayer the gap narrows, and it's worth pricing a straight personal EV lease alongside it before deciding. Compare on the same term and the same annual mileage or the comparison means nothing, and remember the salary sacrifice figure includes insurance while the personal lease figure doesn't.

One more thing our team would say: don't fix on a single model before you've looked at what's available. The best value tends to sit where a particular vehicle has been committed to in volume, and that isn't always the car you had in mind when you started looking.

Frequently Asked Questions

Written by the leasing team at First Vehicle Leasing. We've been arranging personal and business vehicle leases for over 25 years, and we're authorised and regulated by the Financial Conduct Authority and a member of the BVRLA. This guide is general information about how salary sacrifice car schemes work and is not tax or financial advice - speak to a qualified accountant about your own circumstances.