How to spot a clocked car

Clocking means winding back a car's odometer so it looks less used and sells for more. The quickest way to catch it is to read the mileage recorded at each MOT test, then check whether the car's wear matches the number on the dashboard.

None of these checks proves a car has been clocked. Together they tell you whether the story adds up.

Why it matters

Mileage drives price. A car showing 45,000 miles when it has really done 90,000 is worth far less, and the parts that wear with real miles, such as the clutch, suspension and brakes, are closer to the end of their life than the dash suggests. You pay for a car in better condition than the one you get.

Check 1: read the MOT mileage line

Every MOT test records the odometer reading, and the GOV.UK MOT history service is free. Write the readings down in order and look at the pattern.

<table>

<thead>

<tr>

<th>Pattern</th>

<th>Possible innocent reason</th>

<th>Question to ask</th>

</tr>

</thead>

<tbody>

<tr>

<td>Mileage drops between tests</td>

<td>Typing error at the test station</td>

<td>Can you show a service invoice from that period?</td>

</tr>

<tr>

<td>Almost no change for a year</td>

<td>Car sat unused</td>

<td>Where was it, and was it taxed or declared off the road?</td>

</tr>

<tr>

<td>Sudden jump</td>

<td>Long trip or change of use</td>

<td>What changed that year?</td>

</tr>

<tr>

<td>Very low for its age</td>

<td>Genuine second car</td>

<td>Do the service invoices back it up?</td>

</tr>

</tbody>

</table>

A drop between two tests is the clearest warning sign. It needs a credible explanation backed by paperwork.

Check 2: match the wear to the mileage

A car does not hide its use as easily as an odometer can. At the viewing, look at the parts that wear first:

If the wear says 120,000 and the clock says 50,000, trust the wear.

Check 3: follow the paperwork

Service history only helps if it can be verified. Ask for invoices that show the mileage on each visit, not just a stamped book, because books can be incomplete or filled in later. Compare each invoice's mileage with the MOT readings for the same year. If they disagree, ask why. You can also ring the garage that stamped the book and ask whether they recall the car.

Check 4: look for recent work

New tyres, brakes or pedal rubbers shortly before the sale on a car with suspiciously low mileage is worth a question. Replacing the parts that show wear is one way to hide it. Also ask whether the instrument cluster has ever been replaced. As Kandoo's guide notes, a replaced cluster can explain a mileage discrepancy legitimately, so ask for the paperwork.

Check 5: check the price

A low-mileage car priced well below similar cars is a prompt to look harder, not a bargain to grab. Compare it with several similar listings before you ask for a viewing.

Do not jump to conclusions

A mistyped mileage at a test station is a common, harmless cause of a strange reading. So is a genuine period off the road. What matters is how the seller responds. A good seller supplies invoices and explains calmly. A seller who gets defensive, changes the subject or rushes you is giving you information.

What the free history cannot tell you

MOT readings are only recorded at test time. A car's first MOT is due at three years old in Great Britain, so the early years have no record, and nothing is logged between tests. Mileage tampering that happens in those gaps can slip through, which is why wear and paperwork matter as much as the numbers.

Common questions

Can a free MOT history prove a car has been clocked?

No. It shows the readings recorded at each test, so it can reveal a pattern that does not add up, but a pattern is a reason to ask questions, not proof. Combine it with wear and paperwork.

What if the mileage drops between two MOT tests?

It could be a typing error at the test station, or it could be clocking. Ask the seller for service invoices from that period. A genuine explanation comes with paper to back it up.

Can a replaced dashboard explain a mileage change?

Sometimes. A replaced instrument cluster can legitimately reset or change the displayed reading. Ask whether one has been fitted and ask for the invoice.

Is a low-mileage car always suspicious?

No. Plenty of cars are genuinely lightly used. The point is to make sure the low mileage is supported by the MOT history, the wear on the car and the service invoices.

Run the check before you view

The free SMART check at vinfo.app shows the full MOT history and mileage at every test for any UK plate, from official DVLA and DVSA data, with no sign-up. Run it before you travel to see a car. If you are serious about buying, a Full Check adds keeper history and a valuation so you can compare the price with the market.