UK Car Loan Calculator
Estimate your monthly car finance payment in the UK using a simple fixed-rate model.
Assumes fixed monthly repayments and monthly compounding. Figures are estimates only and may differ from lender offers.
How to use this UK car finance calculator
This car payment calculator is built for UK buyers who want a fast monthly estimate before speaking to a dealer or lender. Enter the vehicle price, your deposit, your APR, and the number of months you plan to repay over. If you're looking at PCP deals, you can also include a final balloon payment to see how that changes monthly cost.
For many people, the biggest question is simple: “What can I comfortably afford each month?” This tool helps answer that by showing:
- Estimated amount borrowed
- Estimated monthly repayment
- Total amount repaid
- Total interest paid
Understanding UK car loans: HP, PCP, and personal loans
1) Hire Purchase (HP)
With HP, you put down a deposit, then pay fixed monthly instalments. At the end of the agreement, once all payments are made (and any option-to-purchase fee is settled), you own the car. HP often has higher monthly payments than PCP, but it is straightforward and ownership is clear at the end.
2) Personal Contract Purchase (PCP)
PCP normally gives lower monthly payments because a chunk of value is deferred as a final balloon payment. At the end, you usually have options:
- Pay the balloon and keep the car
- Hand the car back (subject to condition and mileage terms)
- Part-exchange into another deal
The balloon box in this calculator helps model PCP-style structures. If you set balloon to zero, it behaves like a standard amortising loan.
3) Personal bank loan
A personal loan can be used to buy a car outright from a dealer or private seller. You own the car from day one, and repayments are made to the bank. Depending on your credit profile, this can be cheaper or more expensive than dealer finance.
What affects your monthly car payment?
Even small changes to APR or term can create a surprisingly large change in total cost. Key factors include:
- APR: Higher APR means more interest paid over the loan.
- Term length: Longer terms reduce monthly payment but can increase overall interest.
- Deposit size: Bigger deposit means less to borrow and often better affordability.
- Balloon payment: A larger balloon reduces month-to-month payment but leaves a bigger amount due at the end.
- Fees: Arrangement fees and admin costs can increase total borrowing.
Example comparison (illustrative only)
| Scenario | Car Price | Deposit | APR | Term | Balloon | Likely Effect |
|---|---|---|---|---|---|---|
| Short term HP | £18,000 | £2,000 | 8.9% | 36 months | £0 | Higher monthly, lower total interest than long term |
| Longer term HP | £18,000 | £2,000 | 8.9% | 60 months | £0 | Lower monthly, higher total interest |
| PCP-style | £18,000 | £2,000 | 8.9% | 48 months | £6,000 | Lower monthly, final lump sum due |
Tips to get a better UK car finance deal
Check your credit profile first
Your credit history can strongly influence offered APRs. Before applying, review your file and fix any errors.
Increase your deposit if possible
A larger upfront amount reduces borrowing and can improve acceptance odds.
Compare total repayable, not just monthly cost
Dealer promotions often focus on low monthlies. Always compare the full cost across the contract.
Be realistic about mileage and usage
For PCP agreements, annual mileage limits and wear-and-tear rules matter. Exceeding limits can add end-of-term charges.
Frequently asked questions
Is this calculator accurate for every lender?
It provides a useful estimate, but each lender may calculate charges differently and include fees not shown here.
Can I use this as a PCP calculator UK tool?
Yes. Enter a final balloon amount to model a PCP-style structure. It is still an approximation and not a formal quote.
What APR should I use?
Use the representative APR from a finance offer if available. If not, test a few realistic rates (for example 6%, 8.9%, 12.9%) to see how affordability changes.
Should I choose the lowest monthly payment?
Not always. A lower monthly payment can mean paying more interest overall or facing a larger final balloon. Balance monthly affordability with total cost.
Final thought
A car loan calculator is one of the best ways to set a realistic budget before you walk into a dealership. Run multiple scenarios, compare offers side by side, and focus on what you pay in total—not just per month. A little preparation can save you a meaningful amount over the life of your finance agreement.