One-in-10 UK drivers (10%) admit they have driven illegally by avoiding an MOT or failing to replace worn tyres, according to new research from the RAC.
The findings highlight concerns that financial pressures are leading some motorists to delay essential vehicle maintenance, potentially putting themselves and other road users at increased risk.
Young drivers appear particularly affected. A quarter (25%) of drivers aged under 25 say they have delayed necessary repairs or tyre replacements because of the cost, compared with 21% of those aged 25-44 and just 5% of drivers aged 65 and over.
Among drivers of all ages, 3% say they have deliberately avoided having their vehicle’s MOT carried out, despite it being a legal requirement for most vehicles over three years old.
A further 7% admit to failing to replace worn tyres. Tyres with tread below the legal minimum of 1.6mm are illegal and can significantly compromise vehicle safety.
The RAC says the findings come as motorists face increasing costs for maintaining and repairing their vehicles. More than half (60%) of drivers say the cost of maintaining and repairing their car has increased over the past 12 months.
Almost a third (32%) are now worried about the cost of maintaining their vehicle – up sharply from 25% a year ago.
The pressure on household budgets is also being compounded by higher fuel costs. According to the RAC, a tank of petrol now costs around £89, compared with £74 a year ago, while a tank of diesel costs approximately £100, up from £79.
The RAC says the consequences of delaying maintenance can extend beyond the financial impact.
Simon Williams, RAC head of policy, said: “It’s concerning that so many drivers appear to be risking breaking the law by not having a valid MOT or driving on bald tyres.
“With the average repair bill climbing to almost £700, it’s little wonder that so many people are finding it difficult to make ends meet. But kicking the can down the road and delaying repairs to your vehicle or putting them off altogether is a false economy.
“Often, it makes the problem worse, which can lead to a more expensive bill down the line.”
He added that delaying essential repairs could also mean a vehicle is unsafe and illegal to drive, highlighting the particular risks associated with worn tyres.
“Bald tyres drastically increase the risk of a collision as they increase stopping distances, and are at greater risk of unexpected blowouts,” Mr Williams said.
The RAC also points to enforcement data showing that around 10,000 drivers received penalty points on their licences last year for driving unroadworthy vehicles with defective brakes, tyres, steering or other problems.
The motoring organisation says drivers struggling with repair costs can consider mobile servicing and repair options, which can allow some work to be carried out at home or at the workplace.
The findings reinforce the importance of ensuring vehicles remain roadworthy, even when household finances are under pressure, with worn tyres, defective brakes and other mechanical problems potentially increasing the risk of collisions.
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