Deals & rates
0% Car Finance Deals: Are They Worth It?
How interest-free finance really works, where to find it, and the catch behind the headline.
0% car finance is genuinely free of interest — you pay back exactly the cash price, spread over the term. But it's rarely free of every cost: 0% deals usually skip the cash discount you'd get for paying outright, so the true saving can be smaller than it looks.
The honest test is simple. Add up everything you pay on the 0% deal, then compare it with the cash price minus any discount you'd be offered. The cheaper total wins — not the one with 0% on the sticker. A headline 0% APR is real, but the maths that decides whether it's the best route is rarely on the poster.
Is 0% car finance really free?
Yes — on a true 0% APR deal you pay no interest, so the total you repay equals the cash price. Borrow £20,000 over 48 months at 0% and you pay £20,000, in 48 payments of about £417.
Compare that with the same car on a typical 9.9% APR deal, where you'd repay around £23,700 — roughly £3,700 in interest on top of the price. On paper, 0% saves you that £3,700 in full. The catch is what you give up to get it, not a hidden charge in the rate itself.
A genuine 0% APR figure is regulated and means no interest is added at any point in the agreement. The APR is the single number the Financial Conduct Authority uses to express the yearly cost of borrowing, so a true 0% APR is the cleanest possible rate. What's less obvious is that the car's sticker price, the deposit, and the term can all be shaped to recover the cost the manufacturer bears in offering that rate.
Check any quote against the APR & true-cost calculator — it turns a monthly figure back into an APR and shows the total interest, so a '0%' claim is easy to verify. If a deal is labelled interest-free but the APR shown is anything above 0%, fees have crept in, and the rate you see is the real one.
How do 0% car finance deals work?
0% deals are usually manufacturer offers, subsidised by the carmaker to shift specific models. The dealer still gets paid; the manufacturer covers the interest instead of you.
Because the carmaker is footing the interest bill, the deal is built to suit them, not you. That's why the terms are tighter than a standard HP or PCP agreement: the manufacturer wants the loan repaid quickly and to a low-risk buyer, so it can budget the cost of the subsidy.
On a 0% PCP, the structure is the same as any PCP — a deposit, monthly payments, and a balloon (GMFV) at the end — only the interest rate is zero. On a 0% HP, you spread the full price over the term interest-free and own the car at the end. Either way, the rate is real; what changes is the package of conditions wrapped around it.
- They're tied to certain models, trims or registration plates — often slower-selling or end-of-range stock the brand wants off forecourts.
- They usually need a larger deposit (often 20–40% of the price) and a shorter term (typically 24–36 months), which pushes the monthly payment up.
- They're offered to buyers with a strong credit file — a 0% headline doesn't mean everyone qualifies for it.
- They can come with a dealer 'deposit contribution' that looks like a discount but is really a subsidy the manufacturer funds to make the rate work.
Where to find 0% car finance
0% finance comes almost entirely from manufacturer finance arms, not high-street lenders or brokers. You'll find it on new cars during a sales push, rarely on used.
Look at carmaker websites and franchised dealer offers first — brands such as Škoda, Ford, Volkswagen and Toyota have run 0% campaigns at various points, often paired with a deposit contribution. The offers cluster around plate-change periods (March and September) and quarter-ends, when sales targets are tightest and the manufacturer has the most reason to subsidise.
Independent dealers, used-car supermarkets, brokers and personal loans almost never run at a true 0%. If a used-car advertisement shouts '0% finance', check the APR line carefully — it's often a low rate dressed up, or a short-term promotion on near-new stock. Read more in manufacturer car finance for how those in-house lenders operate.
Timing matters because the offers move with the sales calendar. A 0% deal available in late March may have gone by mid-April, replaced by a deposit contribution or a low-rate alternative. If you're flexible on when you buy, lining up your purchase with a plate change can be the cheapest route in.
The true cost test: 0% finance vs a cash discount
0% finance often costs more overall than taking a cash discount, because you forfeit the discount to get the 0%. Work out both totals before you sign.
In this example the cash discount wins by £2,000, even though the finance is interest-free. The 'free' money costs you the discount you'd have kept by paying outright. If you don't have the cash, a low-rate loan plus the discount can still beat 0% — see interest-free car finance for how to run that comparison.
Dealers will often tell you that the 0% and the cash discount are mutually exclusive — and on a manufacturer-subsidised deal, they usually are. The question is which is worth more in pounds. A £2,000 discount beats a 0% rate that saves £0, every time; a £200 discount loses to a 0% rate that saves £1,500 of interest. Only the totals settle it.
| 0% finance | Pay cash with discount | |
|---|---|---|
| Headline price | £20,000 | £20,000 |
| Discount offered | £0 | £2,000 |
| Interest paid | £0 | £0 |
| Deposit required | Often 20–40% | Full balance |
| Total you hand over | £20,000 | £18,000 |
Who a 0% deal suits — and who it doesn't
A 0% deal suits a strong-credit buyer who'd pay the list price anyway, and who can afford a bigger deposit and shorter term. It suits fewer people than the headline suggests.
The 'representative' label matters here too. Even on a 0% campaign, the offer is typically available to at least 51% of accepted applicants — your personal rate depends on your credit, and you could be quoted a higher one. If that happens, the 0% was never the deal you were going to get, and a low-rate loan elsewhere may now be cheaper. Compare whatever you're actually offered on the APR & true-cost calculator.
- It suits you if: your credit file is clean, you can put down 20–40%, you want a 24–36 month term, and the car you want happens to be on offer.
- It suits you less if: you'd have negotiated a large cash discount, you need a long term to keep the monthly affordable, or your credit file isn't strong enough to qualify for the headline rate.
- It rarely suits you if: you're buying used, going through a broker, or after a model the manufacturer isn't currently subsidising.
Worked example: a real 0% deal, in pounds
A £20,000 car at 0% over 36 months costs £20,000 in 36 payments of about £556 — but the same car with a £2,000 cash discount costs £18,000.
Notice the deposit in the worked example — 30% down is typical for a 0% offer, and it pushes the monthly to £389 because the term is short. A standard 9.9% deal over 48 months with a £2,000 deposit would cost around £452 a month. The 0% monthly is lower here, but only because the deposit is much higher. Run the full picture on the main car finance calculator before you decide.
Worked example
Check the true cost before you sign
The number that decides it is the total amount payable, not the 0% on the poster. Compare every deal on what you actually hand over.
Put your figures into the APR & true-cost calculator to see the total and any hidden interest, then run the same car on the main car finance calculator to compare 0% against a discounted cash buy or a standard finance deal side by side. If you're weighing the discount question specifically, the 0% finance vs cash discount page walks through it step by step.
Watch the trade-off
Frequently asked
Is 0% car finance really interest-free?
Why do dealers offer 0% car finance?
Is 0% finance cheaper than paying cash?
Can anyone get 0% car finance?
Where can I find 0% car finance?
What deposit do you need for a 0% car finance deal?
Can I get 0% finance with bad credit?
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