Getting approved
Car Finance with a Guarantor: What to Know
How a guarantor can widen your options and lower your rate — and what they take on.
A guarantor is someone who agrees to cover your car finance payments if you can't. Adding a guarantor with a strong credit record and steady income can widen your choice of lenders and lower your rate, which helps if you have thin or adverse credit. They take on a real, legal responsibility, so it's a serious ask.
Used well, a guarantor opens doors. See what you could borrow with the free eligibility estimate — no credit check, no impact on your file.
How guarantor car finance works
With guarantor finance, a third party promises to make the payments if you default, reducing the lender's risk. The agreement is still in your name.
A guarantor is usually a parent, partner or close friend who is a homeowner or has a strong income and clean credit. Because they back the deal, lenders may accept you when they otherwise wouldn't, or offer a lower rate. It's a common route for students and those with no credit history.
What a guarantor takes on
A guarantor is legally responsible for the payments if you miss them, and missed payments can affect their credit too. Both of you should be sure before signing.
Treat it as a genuine commitment, not a formality. See what checks are done — the guarantor is checked too.
- They must cover the payments if you can't — this is enforceable.
- Missed payments can show on the guarantor's credit file.
- They usually need a strong income, clean credit and often to be a homeowner.
- They should see the full agreement and understand the total cost.
How to improve your odds with a guarantor
You can make the most of a guarantor by keeping the borrowing sensible. This protects you both.
- Choose a guarantor with strong credit and steady income.
- Keep the car and the monthly affordable on your own income.
- Get on the electoral roll and keep your details consistent.
- Save a deposit to lower the amount borrowed.
- Make every payment on time to protect your guarantor's file.
Estimate what you could borrow
Work out an affordable figure before applying, with no credit check. It keeps both files clean.
The free eligibility estimate turns a monthly budget into an indicative figure to plan with. It's not a quote — your real offer depends on the lender and a full application.
Frequently asked
What is a guarantor for car finance?
Who can be a guarantor?
Does being a guarantor affect their credit?
Will an eligibility check affect my credit with a guarantor?
Work out your next step
Independent calculators — pick the one that fits your situation.