The questions drivers actually ask — answered straight, by people who fit tyres for a living. New guides added regularly.
What 205/55 R16 91V actually means, where to find your tyre size, and the sidewall markings that matter — run-flats, XL, winter symbols and more.
Read guideThe UK legal minimum tread depth is 1.6mm — here's exactly how it's measured, the penalties per tyre, and how to check yours in seconds with a 20p coin.
Read guideWhat to do the moment a tyre fails — in town and on the motorway — how to get safe, what never to do on a hard shoulder, and how to get moving again.
Read guideIf your question isn't covered, message it over — you'll get a straight answer from a fitter, and it'll probably become our next guide.