Tread depth: The legal limit of tread depth across 3/4 of a ... 2-3mm. A new tyre has a tread depth of about 8mm, though specialist performance tyres can come with much less than this. Take advice ...

This was brought in for new rubber most frequently in 16 areas. Fourth place went to the Mercedes CLA (nine areas) while the top six were rounded out by the the BMW 4 Series and the Volvo XC40 ...