Regional MOT Failure Rates Across the UK

Introduction

In 2023 alone, over 43 million MOT tests were conducted in Great Britain and 9.87 million (22.6%) resulted in failure, meaning roughly one in five vehicles failed their MOT that yearracfoundation.org. This national average, however, masks significant regional differences. MOT failure rates can vary widely across different parts of the UK, influenced by factors ranging from vehicle condition and usage patterns to local climate and maintenance habits.

Regional Variation in MOT Failure Rates

Location appears to play a major role in MOT outcomes. Historical data and analyses show marked disparities between regions. For instance, Wales has been reported to have the highest MOT failure rate of any UK regionprotyre.co.uk, indicating that vehicles in Wales proportionally fail more often than those in other parts of the country. Similarly, many of the worst MOT “failure hotspots” are clustered in Scotland – more than half of the top ten UK locations with the highest failure rates are found therenationalscrapcar.co.uk. In one extreme case, Llandrindod Wells in Powys (mid-Wales) saw nearly 48% of tested vehicles failing – a rate far above the normnationalscrapcar.co.uk. By contrast, London and the South East of England boast significantly better outcomes, with some London boroughs like Enfield achieving pass rates around 87% (only ~13% failing)insurance-edge.net – well above the national average. Indeed, recent analysis by Green Flag found London to have the highest MOT pass rate in 2025 (around 87%), followed by the West Midlands and South East England (each about 80% pass, 20% fail)directlinegroup.co.uk. These figures suggest that motorists in Greater London and its surrounding regions generally have a higher chance of passing their MOT than those in parts of Wales, Scotland, or northern England.

Figure: Estimated MOT failure rates by UK region based on 2023–2024 analysis.

As illustrated, there is a clear north–south divide in outcomes. The North East and North West of England exhibit some of the highest failure percentages (well above the national average), closely followed by regions such as Yorkshire & the Humber. Wales also shows a relatively high failure rate, aligning with earlier reports that it tops the UK regional rankings for MOT failuresprotyre.co.uk. Scotland’s overall failure rate appears slightly above average as well, although Scotland is a mixed case – it contains some of the worst-performing towns (e.g. Dundee and Kirkcaldy)nationalscrapcar.co.uk, but also some of the best, like Aberdeen, which has one of the highest pass rates in the UKcomparemothistory.com. On the lower end of the scale, the South East and West Midlands regions are closer to the bottom, and London stands out with the lowest failure rate (the highest pass rate) in the country. These regional estimates are consistent with the patterns noted in various studies: drivers in and around London enjoy higher MOT success ratesinsurance-edge.net, whereas those in certain northern and western areas face a greater likelihood of their vehicle failing the test.

Why Do Failure Rates Differ by Region?

Several factors contribute to the regional variations in MOT failure rates. Vehicle age and usage patterns vary by region, affecting roadworthiness. Generally, affluent or commuter regions in the South (including London and the South East) tend to have newer vehicles and more regular maintenance, which can translate into higher pass ratesinsurance-edge.net. In contrast, areas with older, high-mileage cars or less frequent servicing may see more failures. Urban versus rural driving conditions also play a role. Urban centres like inner London experience stop-start traffic, potholes, and short journeys that can be hard on vehicles (for example, causing wear on brakes and suspension or preventing diesel particulate filters from regenerating)insurance-edge.net. However, despite those challenges, London’s overall pass rate remains high – likely due to better maintenance infrastructure and younger fleets (many residents rely on newer cars or regular servicing). Rural regions often offer gentler driving conditions (longer continuous trips at steady speeds), which can be easier on vehicle components. In fact, rural parts of Scotland benefit from motorway and long-distance driving, leading to less wear-and-tear and higher reliability – Aberdeen’s ~81% MOT pass rate is a case in pointcomparemothistory.com. Fewer stop-go trips mean components like engines and brakes face less stress, potentially improving MOT outcomes.

Another key factor is climate and environmental conditions. Coastal and northern areas are exposed to more road salt (both from winter gritting and sea air), which accelerates rust and corrosion on vehicles. This can cause structural weaknesses or lighting and brake issues, contributing to higher failure rates if owners do not rigorously maintain their carscomparemothistory.com. It’s notable that many of the towns with exceptionally high failure rates (such as Great Yarmouth, Weston-super-Mare, and Hull in an AA analysis) are coastal or have harsh winter conditions, where corrosion and weather-related wear lead to more MOT defectsfleetnews.co.ukfleetnews.co.uk. By contrast, the milder climate in the South East and parts of inland England means vehicles suffer less from rust. Combined with typically better road conditions (fewer deep potholes) and shorter winters, this kinder climate likely contributes to the South’s lower failure ratesinsurance-edge.net.

Accessibility of maintenance services is yet another consideration. In some remote or less populated regions, drivers may have limited access to garages or may delay repairs. A smaller town might have fewer MOT test centres or specialist mechanics, leading to issues going unaddressed until the MOT is due. As an example, analysts looking at areas like Kirkcaldy (which has a notably low pass rate) have speculated that being far from major service centres and having fewer mechanics available can make it harder for residents to get cars serviced in a timely mannergarage.co.uk. Additionally, if drivers must travel long distances daily (common in rural areas), their vehicles accumulate more wear between annual testsgarage.co.uk. In contrast, regions with a high concentration of garages and dealerships (such as metropolitan areas in the South) encourage more frequent maintenance – drivers have more opportunities and reminders to fix small issues before they cause an MOT failure.

Finally, demographics and driving culture can influence outcomes. Some studies note that areas with a higher proportion of older vehicles or where car ownership is more utilitarian (e.g. regions with lower average incomes) might see higher failure rates, as owners may defer non-essential repairs. Conversely, in regions where motorists take pride in vehicle upkeep or where there is a culture of frequent car servicing, the failure rates tend to be lower. These socio-economic factors are harder to quantify, but they likely underpin some of the regional trends observed in the MOT data.

Conclusion

Regional differences in MOT failure rates underscore that where you live in the UK can subtly affect a car’s chances of passing its MOT. The national failure rate has been improving over the past decade, but this improvement is unevenly distributed. London and the South East now enjoy the lowest failure rates (highest pass rates), reflecting newer fleets and robust maintenance practices, whereas parts of Wales, Scotland, and northern England face comparatively higher failure rates, likely due to older vehicles and harsher driving conditions. For motorists, the takeaway is clear: regular maintenance and pre-MOT checks are crucial, especially if you drive in a region prone to higher failure rates. Simple issues (like worn wipers or bulbs) remain common causes of failure and are easily preventable with routine carefleetnews.co.ukfleetnews.co.uk. The regional analysis also serves as a reminder to garages and MOT testers of the specific challenges their local customers might face – whether it’s coastal corrosion, urban pothole damage, or limited service access in rural areas.

Sources: The analysis above is based on data and findings from the Driver and Vehicle Standards Agency (DVSA) and various studies of MOT results across UK regions. Key references include the RAC Foundation’s 2023 MOT statisticsracfoundation.org, regional breakdowns reported by industry expertsprotyre.co.uknationalscrapcar.co.uk, and insights from motoring research (Green Flag, A-Plan Insurance, etc.) on pass rate trendsdirectlinegroup.co.ukinsurance-edge.net. These sources collectively illustrate how MOT performance can differ markedly by region and suggest contributing factors for those differences.