Buying a used car privately or from a small dealer puts the burden of checking the car's background on you. Sellers are not required to disclose outstanding finance, previous write-off status, or a rolled-back odometer — and by the time you find out, the car is already yours (and any debt attached to it can be too). Here is what to actually check, in order.
1. Registration and V5C logbook match
Confirm the registration plate, VIN (chassis number) and V5C logbook all match the car in front of you, and that the V5C is not marked as a duplicate without a good explanation from the seller. A mismatched VIN or a freshly issued duplicate logbook are both classic warning signs.
2. Outstanding finance
If the seller still owes money on the car (HP or PCP), the finance company technically owns it until it is paid off — and can legally reclaim the car from you even if you bought it in good faith and knew nothing about the debt. This is one of the most financially damaging risks in used car buying, and it is invisible without a check.
3. Stolen vehicle status
A car can look completely normal and still be stolen. If you unknowingly buy a stolen vehicle, you have no legal claim to keep it once it is identified, regardless of what you paid.
4. Insurance write-off category
Cars written off by an insurer (categories A, B, S or N) can still be repaired and sold on, sometimes without full disclosure. Knowing the write-off history changes both the car's real value and its future safety and insurability.
5. Mileage history
"Clocking" — winding back the odometer — is illegal but still happens. Cross-referencing MOT test mileage records over the car's life is the most reliable way to catch a mileage discrepancy, since each test permanently records the mileage at that point in time.
6. MOT test and defect history
The full MOT history shows every pass, fail, advisory and recorded mileage for the vehicle's life — a pattern of recurring advisories on the same component is a useful signal even if the car currently has a valid MOT.
7. Valuation and specification
Knowing what the car is actually worth, and its exact factory specification, helps you negotiate from an informed position rather than trusting the asking price or the seller's description.
| Check | Free tools | Full Vehicle Report (£6.99) |
|---|
| MOT test history | Yes | Yes |
| Current tax status | Yes | Yes |
| Outstanding finance | No | Yes |
| Stolen marker | No | Yes |
| Write-off category | No | Yes |
| Mileage anomaly check | No | Yes |
| Valuation & full spec | No | Yes |
Ready to check a car before you buy it?
The Full Vehicle Report checks finance, theft, write-off status, mileage anomalies, plus valuation and full spec — £6.99, instant, official data sources.
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Frequently asked questions
Do I need the reg number or the VIN?
Just the registration number (number plate) is enough to run all checks, including the Full Vehicle Report.
Is this the same as an HPI check?
It covers the same core risk areas as a typical HPI-style check — finance, theft, write-off, mileage — plus valuation and full specification, for a flat £6.99.
Can I check a car I already own for free?
Yes — the free MOT history and car tax checker tools cover your own vehicle's public record at no cost.
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