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Insights

Tyres: what the data says

Figures on tyres from MOT results and other data, and what they mean for your car.

MOT dataOne car in 16 failed its MOT on tyres in 2025We went through all 33 million car MOTs in 2025. Two million failed on tyres, electric cars failed more often, and 160,000 failed on the warning light alone.3 min read

Guides

Plain-English answers on tyre pressures and tyres. All guides

The MOTTyres and the MOT: what the tester checksWhat the MOT tester checks on your tyres, the 1.6mm tread limit and the 20p test, which faults fail, and why the law applies every day.5 min readThe basicsHow to read a tyre sidewallWhat 205/55 R16 91V means, plus XL, run-flat and winter markings, how to find a tyre's age, and why the pressure printed on the tyre isn't the one to use.4 min readChoosing tyresHow old is too old for tyres?Tyres age even when the tread looks fine. How to read the date code, what UK law says, what tyre makers advise, and the signs a tyre is past it.5 min readElectric carsTyres on electric cars: what's differentElectric cars are heavier and quicker off the line, which changes how tyres wear. HL and XL load ratings, EV tyres, and why pressures matter for range.5 min read