Clocking Cars

Understanding Laws and Penalties in the UK
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Car clocking, or adjusting the mileage on a vehicle, is a concept based on the simple principle that mileage is an important factor contributing to a car's value and saleability.

It therefore stands to reason that buying a high mileage car and selling it as a low mileage one, would likely increase its saleability and the profit margin: bingo!

‘Clocking’ a car, ‘giving it a haircut’ or ‘bingo-ing’ a car are all slang terms for mileage fraud.

It’s not a new phenomenon, but it has become more widespread for a very simple reason. Most cars are bought on finance, and PCP monthly payments are linked to the vehicle’s future value, which is linked to the annual contract mileage.

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Most cars are bought on finance, and PCP monthly payments are linked to the vehicle's future value, which is directly influenced by annual contract mileage. This makes mileage clocking a concern for both dealers and buyers. The lower the annual mileage, the lower the monthly premium. If you exceed the annual mileage an excess mileage charge will become payable.

We are considered to be a force to be reckoned with in civil fraud, specifically in the area of automotive fraud, motor trade, classic and supercars. We are straight talking, approachable and able to explain the most complicated things into simple concepts, true experts, with a lifetime of experience.

If you’ve bought a car or van which has had the mileage altered, call the Car Lawyer for first free advice.

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How to Spot a Clocked Car: Analogue vs. Digital Mileage Adjustment

Classic cars and modern classics have analogue mileometers, which surprisingly are more difficult to clock than modern digital odometers. The mileage is recorded using a mechanical process on what looks like a barrel combination lock. A series of wheels numbered 0-9 are held together in a barrel format by a spring, interconnected by a tiny spigot at the number nine position. The farthest right-hand wheel turns as the car is driven, and when it reaches nine and as it trips over to 0, the wheel to the left of it clicks over to 1 and so on.

To clock a car, the screws securing the speedo binnacle have to be removed, potentially leaving tell-tale signs in the process. The barrel has to be removed and the wheels prized apart to disengage the interconnecting spigot, without breaking the spring and without damaging the wheels and the numbers.

Once separated, the selected wheel can be manually turned to display the required number. When done and all the numbers are lined up, the odometer- mileometer- is reinstated. While analogue mileometers are often associated with classic cars, they can be more difficult to alter compared to modern digital odometers.

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Lorraine Ballantine
September 8, 2026
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Exceptional Support During the Most Stressful Consumer Dispute I Have Ever Faced There are very few occasions in life when you genuinely feel that someone has stood beside you through a difficult situation and helped you achieve the right outcome. My experience with Philip Harmer and Antonia at Stormcatcher Law was one of those occasions. I approached Stormcatcher after what had already become an exhausting and highly stressful dispute involving a faulty £82,850 motorhome with a Dealer based in Cannock. By that point, I had spent months dealing with repeated faults, unsuccessful repair attempts, cancelled trips, endless correspondence and increasing frustration. What should have been an exciting purchase had turned into one of the most draining experiences I have ever faced as a consumer. From ourfirst conversation, Philip gave me something I had been missing for a very long time: confidence that somebody was actually listening, understood the situation and had a clear plan for how to deal with it. Throughout the dispute, Philip and Antonia were professional, patient, supportive and wonderfully persistent. No matter how many setbacks occurred, they remained calm and focused. When I felt frustrated, they remained measured. When deadlines were missed and arrangements failed, they kept moving the matter forward. When the process became emotionally draining, they gave me confidence that I was not fighting the battle alone. What impressed me most was the balance they struck between legal expertise and genuine human support. I was never made to feel like just another file. The advice was always clear, practical and honest. Expectations were managed properly and communication was excellent throughout. By the time Stormcatcher became involved, the dispute had generated a huge amount of evidence, correspondence and history. Philip took the time to understand every aspect of it and never lost sight of the key objective: achieving the right outcome. After months of resistance, delays, missed commitments and legal arguments, Stormcatcher ultimately secured repayment of the full £82,850 purchase price and brought a dispute that had lasted almost a year to a successful conclusion. The financial result was obviously important, but what meant even more to me was the sense of relief that came from finally bringing the matter to an end. After living with the stress of the dispute for so long, I cannot adequately describe how grateful I was to have someone in my corner who was prepared to keep going until it was resolved. I would like to personally thank Philip Harmer and Antonia at Stormcatcher Law for their hard work, professionalism, patience and determination. If you are facing a difficult consumer dispute and need solicitors who genuinely care about achieving the right outcome for their client, I would recommend Stormcatcher Law without hesitation. I am incredibly grateful for everything they did for me. They helped me bring a very difficult chapter to a close, and that is something I will never forget. Thank you, Philip and Antonia.
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Dale Tierney
September 6, 2026
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I first spoke to Phil when I was a couple days out from submitting to court, and thankfully I did. Although I possibly could have still won he pointed out a few issues and told me to take the case forward in a different direction a stronger direction (alot stronger) than it originally was. With his and Antonia's advice along the way the case seemed to grow from strength to strength. After months had gone by, I won my case and I am fully paid up. your reassurance and guidance helped me get to this position so thank you. Highly recommend.
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Emma Nott-Macaire
August 26, 2026
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I’ve been dealing with a very stressful and complicated situation with my car and Antonia has been incredibly helpful today. She has been completely transparent, honest and incredibly knowledgeable. She has taken the time to understand the situation, clearly explain my options and give me practical guidance on the next steps, without making me feel pressured or trying to sell me anything. Antonia has been so generous with her time and advice and when you’re already dealing with a stressful and expensive situation, having someone who is genuinely willing to help and give straightforward, impartial advice makes such a difference. Thank you so much, Antonia, for all your help and support so far. It has made a difficult situation feel much more manageable. I would absolutely recommend Stormcatcher Law to anyone who needs honest, knowledgeable and genuinely helpful advice.
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Susan
August 14, 2026
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If your vehicle is not as described or not fit for purpose then I highly recommend you contact Stormcatcher Law. Fees are transparent from the outset (not high) and the service is professional. The initial video call with Philip for a fixed fee was worth its weight in gold to us. For some people I can see that this is all they need. The no-win no-fee alternative company would have cost us thousands more in fees and they don’t have the motivation to get anything more than a basic settlement. Philip must be one of the most experienced people in the field of automotive consumer law. If he thinks you have a case, he uses his clearly extensive knowledge to produce an argument that a dealer will ultimately find impossible to ignore. In our case (against a large motorhome dealer in Newark), Philip wrote numerous letters to the dealer detailing the legal precedents supporting the rejection of our motorhome. We bought our motorhome new in 2025 and the engine failed (oil pump failure) at more than the 6 month window meaning the burden of proof that the fault was existing at time of sale lay with us. As Fiat had agreed the fault was covered by the warranty AND that the repair had not been carried out in ‘a timely manner and without significant inconvenience’ Philip was able to construct a solid legal argument as to why we were entitled to reject the motorhome under the consumer rights act and receive a refund. The motorhome dealer refused to accept our legal grounds for rejection for a number of months but Philip pursued them confidently and consistently ultimately winning for us without the need to actually go before a judge. Even when the initial offer came in, Philip was confident we could achieve more for pecuniary losses and compensation - He doesn’t give up easily. However he respected and supported our decision to take the money and run! Philip was clear to us at the outset that he cannot represent clients in court but I get the impression most of his cases are resolved outside of court. We initially thought our only hope was the Motor Industry Ombudsman but now think they gave us lazy advice and this process would likely take months/years longer to resolve. The legal cover with our motorhome insurance policy couldn’t work out if we had a case or not! This situation had been incredibly stressful for us and had gone on for months before Philip quite literally took the load off us - we cannot thank Philip and Antonia enough. Prior to us engaging Stormcatcher, there was no hope of achieving any resolution. In desperation we had even written a begging letter to ask the dealer to make us an offer to take the broken motorhome off our hands but they declined. Of course the sum we ultimately got was far in excess of what we would have accepted at that point had it been offered. At point of settlement we were towards one year after breakdown and the vehicle is still not repaired due to lack of parts. Our vehicle was based on a Fiat Ducato. It is difficult to convey the gratitude we feel towards Stormcatcher Law. They genuinely seemed to care and wanted us to win. They are absolutely not a faceless legal firm.
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G9
August 7, 2026
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After watching some of Phil's videos on youtube I started the frustrating and downright pisstake that is trying to get a finance unwound on a faulty car. Whilst I have not yet solved this issue, the advice given in the videos was very helpful in getting the process started. I then called in to stormcatcher to get some further advice as I had hit a brick wall with the finance company. Phil took time out to speak with me personally and was very sympathetic, assuring and gave very helpful succinct advice for going forward. Such a kind hearted person. Its not often you find a company with such kind and helpful staff that actually know what they're talking about too! If you need help with car finance issues don't hesitate to contact them. Thanks again Phil, what a godsend.
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Emily White (Emily Lily)
July 30, 2026
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I had to call for some advice regarding the Consumer Rights Act, and I honestly couldn’t have asked for a better experience. I had the pleasure of speaking with Antonia, who was incredibly kind, patient, and understanding. As a new mum with a serious case of “baby brain,” I wasn’t explaining everything as clearly as I would have liked, but she never made me feel rushed or silly. She took the time to listen, understood my situation completely, and explained everything in a way that was easy to understand. It’s rare to come across someone who is not only knowledgeable but also genuinely compassionate. Antonia was an absolute credit to the firm, and her warmth made what was a stressful situation so much easier to navigate. I would highly recommend this firm to anyone looking for professional legal advice with a truly human touch. Thank you again, Antonia!
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Hawton House
July 26, 2026
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Antonia and Philip were amazing in helping me deal with my legal issues. I came to them with quite a complex situation regarding Car Finance and my Consumer rights and dealing with my insurance company. They went above and beyond to help me and Philip took the time to explain to me what was happening and why, explaining the process and making sure I understood what needed to be done. I feel like they took the time to understand me and my situation and genuinely wanted to help. My experience was filled with humility, understanding and every thing I was told would be done, was done in a timely manner, I was kept updated throughout the process. I could not recommend Stormcatcher enough!
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Lorna Starr
July 20, 2026
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My son and I are having a nightmare with a second hand dealer in the Uxbridge area. After less than a month and following an inspection it turns out that the Audi A3 we brought need either an engine rebuild or a new engine. We decided to reject the car only to be told that the dealer was not going to accept our rejection for various reasons not least because they believe we tampered with the engine! Apparently Service is tampering as is having the car inspected to work out why it burning oil at a rate of knots! Spoke to Antonia who was very reassuring and offered advice without any hard sell. Hoping the dealer will see sense before we have to go via small claims
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Digital Mileage Clocking and ECU Manipulation

Digital odometers have eliminated the need for the removal of any components and the risk of any tell-tale damage. The process is completed by manipulating the vehicle electronic control unit (ECU) by plugging in a laptop with the appropriate software. However, cars have evolved to record mileage in the key and in other in car electronic devices. This not only leads to the discovery of a clocked car, but the date when it was done.

Are Mileage Blockers Illegal? CAN Blockers Explained

A further evolution led to the production and ready availability of CAN blockers or mileage blockers, which are electronic installations which can stop the odometer recording the miles or changes the way the mileage is recorded, both on the dashboard and in the ECU(s).

These CAN filters are often plugged in behind the speedo binnacle but can be virtually wireless. However, this also raises the question, "Is clocking a car with a digital odometer illegal?"

Clocked Mileage: Risks and Detection Methods

In some instances, mileage blockers are undetectable, but not always. In many high-performance cars and prestige vehicles, the gear box ECU is not affected by the CAN blocker and continues to record the real mileage. It all too often goes unnoticed, as this data is not regularly checked.

What does happen is that vehicles do not get properly serviced due to the mileage not recording properly, and the vehicle not being submitted to main dealer through fear of the truth being discovered.

This leads to component and in some cases, engine and transmission failure, triggering the interrogation of the gearbox ECU and other in-car electronic devices which continue to accurately record mileage. Inaccurate mileage due to clocking can also lead to the car not being properly serviced, eventually causing component and even engine and transmission failures.

Is Clocking Cars Illegal?

Despite a number of proposals here in the UK and Europe, clocking cars and the firms that do it have not yet been outlawed.

It is however illegal to clock and sell a clocked car which could well amount to fraudulent misrepresentation and or breach of statutory duty under consumer protection law. In reality, few car dealers engage in clocking and reselling, and the majority disclaim the accuracy of the odometer reading in the small print.

However, this isn’t the whole story and as much as dealers want to cover their backs against mileage fraud, they can’t have their cake and eat it by pricing cars as if the mileage and service history is genuine, and get out of jail when it’s found not to be. If you've bought a clocked car from a dealer, this could amount to fraudulent misrepresentation and could fall under the breach of statutory duty under consumer protection law in the UK. This could mean you can reject a clocked car and recover your money.

If you’ve bought a clocked car, phone for first free expert advice.

Contact Stormcatcher Civil Fraud Lawyers for First Free Legal Advice
Philip Harmer

About Philip Harmer

Having acted in a number of claims involving dishonest conduct, false representation, and unlawful means conspiracy, Philip is experienced in identifying and deconstructing fraudulent behaviour, particularly in the context of the motor trade. He applies a forensic, evidence-led approach to tackling deceitful practices and holds a strong record in exposing misrepresentation in both consumer and commercial disputes.

He regularly advises on civil fraud, including clocked mileage claims, false service history, and cloned vehicle disputes.

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