Millions of Drivers Missing MOT Deadlines as Late Testing Hits Six Million Vehicles

New data released by Kwik Fit has revealed the scale of late MOT testing across the UK, with millions of vehicles being driven without a valid certificate each year.

According to the company’s analysis of MOT booking data, more than 4.3 million vehicles were only booked in for an MOT after their previous certificate had already expired.

In addition, a further 1.7 million vehicles were tested late despite being booked in advance, meaning that delays between booking and test dates pushed them beyond their expiry.

Combined, this brings the total number of vehicles undergoing their MOT after expiry to around six million annually.

One in Six Drivers Booking Too Late

Kwik Fit’s findings suggest that around 16% of MOT bookings are made after the expiry date, equivalent to roughly one in six drivers.

While many motorists are only slightly overdue — with around half booking within 10 days — others are leaving it significantly longer. The data shows the average delay between MOT expiry and test is 33.7 days.

For MOT testers and garages, this trend highlights a continued reliance on last-minute or reactive bookings rather than planned maintenance schedules.

Safety and Compliance Concerns

Driving without a valid MOT is illegal except when travelling to a pre-booked test, and motorists risk fines of up to £1,000.

More importantly, the figures raise serious safety concerns. Data from the Driver and Vehicle Standards Agency shows that around 27% of vehicles fail their MOT, suggesting that more than 1.5 million of the overdue vehicles may not be roadworthy.

This underlines the risk not only to drivers themselves, but to other road users.

Booking Behaviour Creating Bottlenecks

The additional 1.7 million late tests — where vehicles were booked in advance but still tested after expiry — point to another issue: capacity and scheduling pressures within the MOT network.

Late bookings, limited availability, and the tendency for drivers to wait until the final days before expiry can all contribute to delays pushing appointments beyond the legal deadline.

For MOT centres, this creates uneven demand, with peaks that can be difficult to manage operationally.

Industry Implications

For the UK MOT sector, the data reinforces several ongoing challenges:

• Customer education remains critical, particularly around early booking windows
• Workshop capacity planning is increasingly important during peak periods
• Reminder systems and digital booking tools are becoming essential in reducing missed deadlines

Kwik Fit is encouraging motorists to book earlier, noting that drivers can present their vehicle for testing up to one month (minus a day) before expiry without affecting the renewal date.

A Persistent Problem

Despite widespread awareness campaigns and digital reminders, the scale of late MOT testing suggests that driver behaviour has not significantly shifted.

With around six million vehicles a year now being tested after expiry, the issue remains a major concern for both compliance and road safety — and a key area where the industry still has work to do.

For MOT testers, it’s a clear signal: demand is there, but timing remains the biggest challenge.