Are you looking to buy a car but can't decide between a BMW M135i or Mazda 3? Use our side by side comparison to help you make a decision. We compare design, practicality, price, features, engine, ...

The facelifted version of BMW’s brilliant M135i, which proved to be one of the real-world stars of the last few years. Along with Volkswagen’s Golf R the M135i became renowned for offering ...