Uganda, March 14 -- Hello Paul, I have read somewhere that tyres should be changed at 3mm. However others recommend changing tyres at 1.6mm. However tyres are not fully recyclable so, why should they not be used for as long as possible?

Tony

Hello Tony, for the safety of motorists, it is generally recommended that tyre tread depth should not be lower than 3.0mm (new tyre tread depth is usually 8.0mm). However, should your car tyre treads wear down to 1.6mm depth, you should not drive the car at all. In the United Kingdom, it is illegal to drive on tyres that are 1.6mm tread depth or below due to safety concerns. To put this in perspective, one needs to appreciate that tyre tread patches are the only contact between your car and the grou...