MOT advisory
A defect or wear item noted during an MOT that was not serious enough to fail at the time.
Vehicle report glossary
Vehicle Check Glossary
Plain-English explanations for common vehicle-history terms, from MOT advisories to insurance write-off categories and keeper changes.
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Use report terms as buying prompts
A report term is useful when it helps you ask a better question. If a phrase is unclear, match it against documents, seller evidence and an independent inspection before buying.
- Match each report term with the V5C, MOT record and advert.
- Pause when a term points to finance, mileage, identity or damage risk.
- Ask the seller for proof instead of accepting vague explanations.
- Use independent advice where the risk could affect safety or value.
Common vehicle-check terms
Use this glossary when reading a report, viewing a car or comparing a seller advert with official-looking paperwork.
Write-off category
An insurer damage classification that can affect safety questions, value and resale.
Keeper change
A change in registered keeper. The keeper is not always the legal owner.
Outstanding finance
Money secured against the vehicle that may still be owed by a previous keeper.
Mileage anomaly
A mileage pattern that does not follow expected chronological readings.
Plate change
A registration change, often involving private plates, that should still line up with vehicle identity.
Use glossary terms as prompts: If a report term raises a concern, ask the seller for proof and get independent advice before buying.
Read the report
Start with the overall risk areas and then check the detail behind each term.
Match the documents
Compare the report with V5C, MOT, invoices and the seller advert.
Ask better questions
Use unclear terms as a reason to pause, verify and negotiate carefully.
Common questions
What is a mileage anomaly?
It is a mileage pattern that does not follow the expected sequence. It may be an error, but it needs checking.
Is keeper the same as owner?
No. The registered keeper is responsible for the vehicle record, but may not be the legal owner.
Why do plate changes matter?
Private plate changes can be legitimate, but the identity trail should still line up with the vehicle.
Related vehicle checks
Check the vehicle before you decide
Run a fresh check with Car Check Experts before you view, negotiate or pay a deposit.
Enter a registrationHow to use this vehicle check glossary before buying
Use this page as part of a wider vehicle check, not as a one-off answer. The safest buyers compare the online result with the V5C, VIN, MOT record, seller story, service evidence and physical condition before paying a deposit or arranging collection.
Check before travelling
Run the relevant registration check before you spend time on a viewing. If the vehicle record already conflicts with the advert, ask for evidence or reject the car early.
Compare documents
The V5C, service invoices, MOT record, receipt and seller messages should support the result. Missing documents are not always fatal, but they should change the price and risk decision.
Inspect the real vehicle
At the viewing, compare the VIN, plate, mileage, colour, trim, warning lights and condition with the report. A clean online result is weaker if the car does not match it.
Decide before payment
Resolve finance, stolen, write-off, mileage, insurance, service and identity questions before money moves. Do not rely on verbal promises after payment.