To check tyre tread properly, use the 20p coin test (or a penny if you’re in the US): insert the coin into the main tread groove; if the outer band is visible, the tread is below the 1.6mm legal limit ...

Tyre dressing is that last, important flourish to get your car looking show-worthy, but there’s a huge variety of products available, including silicon-based and water-based. So which tyre dressing is ...