15/02/2020
Your car's MOT (Ministry of Transport) test is a crucial annual safety and roadworthiness check. While many motorists focus on passing the current year's test, understanding your vehicle's MOT history can provide invaluable insights into its past maintenance, potential future issues, and overall reliability. This seemingly simple record is a treasure trove of information that can empower you as a car owner and help you make more informed decisions, whether you're looking to buy a used car or simply want to maintain your current one in tip-top condition.

Why is MOT History So Important?
The MOT certificate confirms that your vehicle, at the time of testing, met the minimum road safety and environmental standards. However, the real value lies in the journey it has taken to reach that point. By delving into its MOT history, you can:
- Identify Recurring Problems: Has your car failed its MOT multiple times for the same issue, such as braking system faults or exhaust emissions? This could indicate an underlying, persistent problem that requires more significant attention than a simple fix.
- Gauge Reliability: A car with a clean MOT history, passing every year without significant advisories, is generally a more reliable proposition. Conversely, a history peppered with failures and major repairs might signal a vehicle that has been prone to problems.
- Assess Previous Maintenance Standards: While the MOT focuses on specific criteria, a consistent pattern of minor advisories that are promptly rectified suggests a conscientious owner. A history of advisories being ignored could lead to more serious issues down the line.
- Detect Potential Mileage Discrepancies: Although less common with online records, a significant jump in mileage between MOT tests could raise a red flag, potentially indicating tampered odometers.
- Make Informed Purchasing Decisions: For used car buyers, the MOT history is an indispensable tool. It provides an independent record of the vehicle's past performance and can help you avoid buying a car with a hidden history of serious faults or neglect.
How to Check Your Car's MOT History
Fortunately, checking your car's MOT history is a straightforward process, thanks to the UK government's online service. You will need your vehicle's registration number (number plate) and its 11-digit Vehicle Identification Number (VIN) or the 12-digit MOT test number from a past MOT certificate.
Here's how to do it:
- Go to the official UK government website: gov.uk/check-mot-history.
- Enter your vehicle's registration number.
- Enter your VIN or MOT test number.
- Click 'Continue'.
The system will then display a summary of your car's MOT tests, including the date of the test, the result (pass or fail), and any advisory items noted by the examiner. You can usually view several years of history, depending on when the online system was implemented for your vehicle.
Understanding the MOT Certificate and Advisories
The MOT certificate itself is a vital document. It confirms that your car has passed its test. However, it's the 'advisory items' section that often provides the most useful forward-looking information. These are defects that are not serious enough to cause an immediate failure but could potentially affect the safety or roadworthiness of the vehicle in the near future.
Examples of common advisories include:
| Advisory Item | Potential Impact | Likely Rectification |
|---|---|---|
| Front brake disc worn, pitted but not significantly. (2.2.7) | Reduced braking efficiency, potential for further wear. | Brake disc replacement. |
| Nearside front tyre slightly below minimum tread depth. (5.2.3) | Reduced grip, increased braking distance, illegal tread depth. | Tyre replacement. |
| O/S rear suspension worn, slight play in bush. (5.3.3) | Compromised handling, potential for increased tyre wear. | Suspension bush replacement. |
| Exhaust emissions – lambda reading outside specified range. (7.1.4) | Increased pollution, potential engine performance issues. | Engine diagnostics, catalytic converter check/replacement. |
| Headlamp aim too low. (1.1.2) | Reduced visibility at night, potential to dazzle oncoming drivers. | Headlamp adjustment or replacement. |
It's crucial to take advisories seriously. While they don't result in an immediate fail, ignoring them can lead to more expensive repairs and potential failures in future MOT tests. Addressing advisories promptly can save you money in the long run and ensure your car remains safe.
What if My Car Failed its MOT?
If your car fails its MOT, the certificate will clearly state the reasons for failure. You will then have a limited time to have the necessary repairs carried out and the vehicle re-tested. The vehicle can remain on the road if it has a valid MOT certificate and is still being driven to a pre-arranged MOT test centre for repair or testing.
Checking the MOT history online can reveal if a car has a history of failing. If it has, it’s worth investigating the reasons for those failures and ensuring they have been properly rectified. A car that has failed multiple times for the same critical component, like the braking system or steering, should be approached with extreme caution.
MOT History and Used Car Purchases
For anyone in the market for a used car, the MOT history is arguably even more critical than for owners of current vehicles. It’s your best independent record of the car’s condition over time. When viewing a used car, always ask to see the current MOT certificate and then verify its history online using the seller's registration number.
Key things to look for in a used car's MOT history:
- Consistent Passes: Ideally, the car will have a history of passing its MOT tests with few or no advisories.
- Rectified Advisories: If there are advisories, check if they have been addressed in subsequent tests. For example, if worn brake pads were an advisory, check if the next MOT shows they have been replaced.
- No Major Failures: Avoid cars that have a history of failing for critical components like the chassis, steering, or brakes, unless you are a knowledgeable mechanic or are prepared to invest significantly in repairs.
- Mileage Consistency: While not always foolproof, ensure the mileage recorded on the MOT certificates aligns with the car's odometer reading and the seller's claims.
A car with a patchy MOT history might be cheaper to buy, but the potential repair costs could quickly outweigh any initial savings. It’s often said that a car’s MOT history is like its medical record – it tells a story of its health and any ongoing issues.
FAQs about MOT History
Q1: How far back can I check my car's MOT history?
You can typically check the MOT history for most vehicles dating back to when the online system was introduced, which for many cars is around 2005, but this can vary. The system will show as many past tests as are available online.
Q2: What if my car is older than the online records?
For older vehicles, you might need to rely on physical MOT certificates provided by previous owners. These paper certificates will still detail the results and any advisories.
Q3: Can I check the MOT history of a car I don't own?
Yes, as long as you have the registration number, you can check the MOT history of any vehicle registered in the UK. This is an invaluable tool for potential buyers.
Q4: What’s the difference between an MOT failure and an advisory?
A failure means the car is illegal to drive on the road until the identified faults are repaired and it passes a re-test. An advisory item is a defect that is not serious enough for an immediate failure but requires attention to prevent potential problems in the future.
Q5: Should I worry if my car has advisories?
Not necessarily, but you should certainly take them seriously. Consider them as early warnings. Addressing advisories promptly can prevent more significant and costly issues from developing, and will help ensure your car passes its next MOT with flying colours.
Conclusion: Your Car's MOT History is Key
In summary, your car's MOT history is far more than just a record of its annual inspection. It's a narrative of its roadworthiness, its maintenance, and its potential future. By taking a few minutes to check this history, whether for your current vehicle or one you're considering buying, you equip yourself with vital information. This knowledge empowers you to make safer, more economical, and more informed decisions, ultimately contributing to a more reliable and dependable motoring experience. Don't overlook this essential vehicle information – it could save you a great deal of trouble and expense down the line.
If you want to read more articles similar to Unlock Your Car's Past: MOT History, you can visit the Automotive category.
