Study finds surge in car clocking in Ireland

One in 10 second hand cars for sale in Ireland has a false mileage displayed, according to the largest study of its kind. The figure is even worse for cars imported from the UK with nearly one in five having an unreliable or questionable mileage reading.

The study was carried out by in co-operation with AA Ireland. Some 120,000 vehicles were checked on the database, which is the most complete vehicle database in the country. provides data searches and history checks, also for AA Ireland, and uniquely has full access to UK data, write-off data, and other information for both jurisdictions.

The results show that clocking is widespread in the market locally and is worse for potential buyers of UK vehicles.

The study examined a random sample of 60,047 vehicle history checks on Irish vehicles carried out recently by potential buyers. Of those checks 11.04 per cent returned mileage discrepancies (6634/60047 ), which would each require further investigation to establish if the vehicle had been clocked in a given case.

In addition, a supplementary study which examined a random sample of 64,742 vehicles which displayed at least two mileage readings on the National Mileage Register (NMR ), where at least one entry was added in the last year, found that 11.15 per cent of these vehicles had a mileage discrepancy.

The supplementary study also examined a random sample of 13,026 imported vehicles (vehicles which currently display an Irish registration, but previously had a UK or Northern Ireland plate ) which displayed at least two mileage readings on the NMR and one entry in the last 12 months. This aspect of the study found imported vehicles were significantly more likely to have been clocked, with 18.43 per cent of the imported cars assessed as having a mileage discrepancy.

These results represent a rise in the overall numbers of both domestic and imported vehicles recording a mileage discrepancy since the enactment of legislation criminalising the practice in 2014.

In 2013 the Government reviewed the NCT mileages on 59,528 cars and found 9.8 per cent of those returned lower mileages on a subsequent test – in other words returned a mileage discrepancy. Those vehicles would have all been at least four years old and this may have impacted on the result.

Clocking is a serious issue and something anyone looking to purchase a second hand car, whether in Ireland or from the UK, needs to watch out for.

Repairing damage associated with car clocking can be very expensive and it is also more likely that someone who owns a clocked car will experience a breakdown.

Clocking is now a criminal offence in the Republic of Ireland pursuant to section 14 of the Road Traffic Act 2014. Cartell had long campaigned for the introduction of such an offence. In 2010, Cartell presented to the Dáil draft legislation which sought to criminalise the practice. That legislation was initially rejected by the Government, but a modified version of it was subsequently moved as a Private Members Bill in December 2012. The then Government decided to move on the issue.


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