How to check a used car in the UK before buying

Start with the registration number

Before travelling to view a car, ask for the full registration number and run a vehicle check. Confirm that the make, model, colour, fuel type and year match the advert. If the seller refuses to share the registration, gives partial details, or the basic details do not match, treat that as a warning sign.

You should also look at MOT history, mileage records, tax status and whether any important risk indicators are available. These checks help you ask better questions before arranging a viewing.

Compare the VIN and documents

At the viewing, compare the VIN shown on the car with the V5C logbook and seller information. The VIN may appear near the windscreen, on a door frame, under the bonnet or stamped into the chassis. Any mismatch should be investigated before you proceed.

Check that the V5C details match the seller, the address and the vehicle. The V5C is not proof of ownership, but inconsistencies can reveal avoidable problems.

Inspect condition and payment risk

Use the report to guide your inspection. Recurring MOT advisories may point to neglected maintenance. Mileage jumps may need explanation. A write-off marker, stolen risk signal or unclear tax position should be considered carefully.

Never rush payment. View the car in daylight, test drive it where insured, get a receipt, avoid pressure tactics and be cautious with large cash payments or transfers to names that do not match the seller.

Use the check to plan your viewing

A good vehicle check should make the viewing more focused. If the report shows repeated brake advisories, inspect the discs, pads and pedal feel. If mileage looks unusual, ask for service invoices and compare them with the odometer. If tax or MOT is close to expiry, factor that into your budget and collection plan.

The best time to find concerns is before you travel or transfer money. A few minutes checking the registration number or VIN can help you avoid wasted journeys, rushed decisions and cars that need more investigation than the advert suggests.

If the report looks clean, still keep a checklist for the viewing. Confirm the VIN, inspect the tyres and brakes, check warning lights, listen for unusual noises and make sure the seller has the documents ready. A report helps you prepare, but the final decision should still include what you see in person.