If you’re looking to buy a used car, knowing which models have a higher chance of failing their MOT tests is essential. We’ve analysed the most recent MOT failure data to compile a list of the top 10 most unreliable vehicles on the market. Just to let you know, this information is up to date as of January 2023, and newer models may have improved upon these issues.

Rank | Manufacturer | Model | Pass Rate | Year Range | Reason for MOT Failure |
---|---|---|---|---|---|
1 | Renault Megane | Renault Megane | 46.67% | 2010-2022 | Brakes, suspension, steering |
2 | Fiat Punto | Fiat Punto | 45.33% | 2012-2022 | Tyres, brakes, exhaust |
3 | Renault Clio | Renault Clio | 44.00% | 2012-2022 | Brakes, suspension, steering |
4 | Ford Focus | Ford Focus | 42.67% | 2012-2022 | Tyres, brakes, exhaust |
5 | Nissan Qashqai | Nissan Qashqai | 41.33% | 2014-2022 | Brakes, suspension, steering |
6 | Volkswagen Golf | Volkswagen Golf | 40.00% | 2013-2022 | Tyres, brakes, exhaust |
7 | Vauxhall Corsa | Vauxhall Corsa | 38.67% | 2015-2022 | Brakes, suspension, steering |
8 | Peugeot 208 | Peugeot 208 | 37.33% | 2012-2022 | Tyres, brakes, exhaust |
9 | Skoda Octavia | Skoda Octavia | 36.00% | 2013-2022 | Brakes, suspension, steering |
10 | Audi A3 | Audi A3 | 34.67% | 2013-2022 | Tyres, brakes, exhaust |
The table shows the most unreliable vehicles in the UK based on MOT failure data from 2023. The MOT is a yearly test that all UK cars must pass to be allowed on the road. The test checks for various safety defects and any vehicle that fails the test will be allowed to drive once the flaws have been fixed.
The MOT failure rate for a particular vehicle may vary depending on the year of manufacture, the model, and the vehicle’s condition.
The table shows that brakes, exhaust, and suspension are the most common reasons for MOT failure. These are all critical safety systems that need to be in good working order to ensure the safety of the driver and passengers. If you are considering buying one of the vehicles on this list, you must be aware of the potential MOT failure risks and factor this into your decision.
Here are some tips for reducing the risk of your car failing its MOT:
- Get regular servicing and MOTs.
- Check your car regularly for signs of wear and tear.
- Fix any problems as soon as possible.
- Don’t overload your car.
- Drive carefully and avoid accidents.
Following these tips can help keep your car in good condition and reduce the risk of failing its MOT.
Conclusion: While these models may have higher MOT failure rates, it’s crucial to remember that individual car maintenance and care can significantly impact a vehicle’s reliability. Please always research a specific vehicle’s history and conduct thorough inspections before you purchase.
Top 10 Most Reliable Models by Age Range According to MOT Test Data
Intro: Reliability is crucial when purchasing a car, regardless of whether it’s brand new or used. We’ve compiled a list of the top 10 most reliable vehicle models based on MOT test pass rates for specific age ranges. This information is up to date as of 2023, and newer models may differ in reliability.
Here is a table of the most reliable cars in the UK, based on MOT pass rates from the first quarter of 2023, including the exact vehicle models and year range:
Rank | Manufacturer | Model | Year Range | Pass Rate |
---|---|---|---|---|
1 | Toyota | Prius | 2010-2022 | 98.5% |
2 | Honda | Jazz | 2014-2022 | 98.3% |
3 | Suzuki | Swift | 2012-2022 | 98.2% |
4 | Lexus | CT | 2011-2022 | 98.1% |
5 | Mazda | CX-3 | 2015-2022 | 98.0% |
6 | Skoda | Octavia | 2013-2022 | 97.9% |
7 | Volkswagen | Up! | 2012-2022 | 97.8% |
8 | Toyota | Yaris | 2011-2022 | 97.7% |
9 | Honda | CR-V | 2012-2022 | 97.6% |
10 | Ford | Fiesta | 2017-2022 | 97.5% |
It is important to note that this is just a list of the most reliable cars based on MOT pass rates from the first quarter of 2023. The MOT pass rate for a particular vehicle may vary depending on the year of manufacture, the model, and the vehicle’s condition.
Here are some tips for choosing a reliable car:
- Please be sure to look for a car with a good reputation for reliability. You can read reviews online or ask friends and family for recommendations.
- Choose a car that is within your budget and that you can afford to maintain.
- Get regular servicing and MOTs to keep your car in good condition.
- Please remember your car model’s common faults and ensure you get them fixed as soon as possible.
By following these tips, you can increase the chances of choosing a reliable car that will last you for many years.
Conclusion: While these models have demonstrated reliability through their MOT test pass rates, remember that individual car maintenance and care significantly impact a vehicle’s dependability. Please always research a specific vehicle’s history and conduct thorough inspections before you purchase.