How Much Deposit Should I Put Down for Car Finance?

Guides 6 min read By Terry Hogan

Deciding on your car finance deposit is a big decision. While it's tempting to put down as little as possible, a larger upfront payment can unlock better deals and lower your monthly costs. Discover the balancing act between high and low deposits to find the right amount for your budget.

A modern silver car parked on a wet British country road with rolling green hills under an overcast sky, illustrating car finance decisions.

How much deposit should I put down for car finance?

When you’re looking at car finance, the deposit is usually the first big decision you have to make. It’s tempting to put down as little as possible to keep your cash in the bank, but the upfront payment can be a tool for getting a better deal. Typical deposits are around 10%, but you can put down nothing to most of the cars value.

However, it’s a balancing act. Here is a simple breakdown of how to find the right amount for your budget.

Why the deposit matters

The more you pay upfront, the less you borrow. That’s obvious. But a bigger deposit also does three things that aren’t as visible:

  1. It can lower your interest rate: Lenders see a big deposit as a sign of lower risk. If you’re putting in 20% of your own money, they are often more likely to be accepted at a lower APR (interest rate) than if you were asking for a 100% loan. This is especially prevalent in the non-prime market, where lenders often employ 'rate for risk' underwriting tactics. In short, they give better rates for buyers who are more likely to pay on time and higher rates for riskier clients. In this scenario a bigger deposit could tip you into a lower APR category, depending on how the lender's score card works.

  2. It protects you from negative equity: Some cars can lose value quickly. If you put nothing down and try to sell the car a year later, you might find you owe the bank £15,000 for a car that’s now only worth £13,000. A solid deposit creates a buffer so you don’t end up owing more than it is worth.

  3. It helps you gain access to more lenders. A bigger deposit means a lower lender risk, so you are more likely to be accepted, potentially giving you a greater choice of lenders.

PCP Deposits

If you are choosing Personal Contract Purchase (PCP), you need to think about your deposit. Unlike a standard loan, a bigger deposit on a PCP deal doesn’t actually give you more ownership or equity at the end.

The Reality: The final Balloon Payment (the GMFV) is set by the lender at the start. Whether you put down a £500 deposit or a £5,000 deposit, that final balloon stays the same and the car’s value is what it is.

  • A big deposit makes your monthly payments much cheaper right now.

  • A small deposit keeps your cash in your pocket today, but your monthly bills will be higher.

At the end of the deal, your equity is simply the difference between what the car is worth and that fixed balloon payment. Your deposit doesn't change that math. Most brokers suggest a balanced deposit - enough to get a good interest rate, but not so much that you’re left with no savings if your circumstances change.

Pros and Cons: High vs. Low Deposit

Strategy

Pros

Cons

High Deposit (20%+)

Lowest monthly payments; lowest total interest; can be easier to get approved.

Your cash is tied up in the car; if the car is written off, you could lose that cash without the right insurance (GAP).

Low Deposit (0-5%)

Keep your savings in the bank; better for short-term cash flow.

Highest monthly payments; you'll pay significantly more interest over the term; higher risk of negative equity.


Real-world example: Buying a £20,000 car

Based on a 4-year HP agreement at an average 8.9% APR

Deposit Size

Cash Upfront

Monthly Payment

Total Interest Paid

0% Deposit

£0

£493

£3,680

10% Deposit

£2,000

£444

£3,312

20% Deposit

£4,000

£395

£2,944

The Result: By putting down £4,000 instead of nothing, you save over £700 in interest alone and lower your monthly bill by nearly £100. But you haven't got the £4,000 any more!


But. Don't empty your savings account just to get a lower car payment. General advice online is to keep at least 3 months of emergency cash aside. If putting down a £5,000 deposit leaves you with £0 for a rainy day, it’s may be better to pay a slightly smaller deposit and keep your safety net. You can always make overpayments later if your contract allows it.

Frequently Asked Questions

Can I use my old car as the deposit?

Yes. This is called a part-exchange. If your current car is worth £4,000 and you owe nothing on it, that £4,000 works exactly like cash. If you still have finance on your old car, the equity (the difference between its value and what you owe) is what counts as your deposit.

Will a bigger deposit help if I have a low credit score?

It definitely helps. If a lender is on the fence about approving you, seeing that you are putting down 15% or 20% makes the loan-to-value ratio much safer for them. It shows you’re committed to the deal.

Do I get my deposit back at the end?

No. The deposit is a part-payment for the car. It’s gone once you pay it. However, if you are on a PCP deal and the car is worth more than the final "balloon payment" at the end, that extra value can be used as a deposit for your next car.

Is there a maximum deposit I can pay?

Usually, yes. Most lenders cap the deposit at around 35% to 40% of the car's value if it's a PCP. For Hire Purchase it's more about a minimum lend. They want to make sure the loan is large enough to be worth their time in interest and processing, so often there is a minimum of £3000 or more for funding.

Can I use a credit card to pay my deposit?

You can, but if you are using a credit card because you haven't got the cash, it might make more sense to use a lower deposit. Check the interest on your credit card once any promotional period has ended.

Who do I pay the deposit to?

You pay the deposit to the dealer who is selling you the car

Does the deposit mean the car is mine?

Not necessarily, but the dealer should not sell it to anyone else once you have put a deposit down.

Can I use my car for a deposit at the end of a PCP?

Yes, you can. If you have equity over and above the GMFV (Guaranteed Minimum Future Value) then you can use that.
So, if you have a GMFV of £14,900 and the car is worth £16,800, then you would have £1,900 deposit in your car.



Disclaimer

Rates are the best available and may not be available for this exact vehicle. Mileages, vehicle age, term of loan, the exact lender and the type of finance can all affect the rate and monthly payment. Rates can change and previous examples shown may no longer be available. We use large language models (LLMs) to extract data from website pages to calculate our savings. LLMs can make errors so it's important you check the information on any quotes with the brokers in our panel. They will re-run all quotes with their individual lenders panels to find the appropriate deal based on today's rates.

Our assumptions

To provide our comparisons, we make the following assumptions:

1
You have a good credit rating and will qualify for the provider's best available rate.
2
The vehicle you have chosen is from a dealer who is FCA authorised.
3
If the example is for a personal contract plan (PCP), that the GFV (guaranteed future value) is the same. If the lender is different from the dealer's lender, the GFV could be higher or lower, which will affect your monthly payments.
4
That the deposit is the same. You can change the deposit using the edit button)
5
For Lease Purchase you will need to request a quote from one of partners by submitting an application.

About the author

Terry Hogan
Terry Hogan

Co-founder

Terry Hogan is the co-founder of Prefinance.co.uk. He has over 20 years experience founding digital businesses in financial services, automotive, advertising and media and is the founder of Regit.cars and motoring.co.uk. He was also Chief Product Officer at DSG Financial Services until 2024.