BMW 4 Series (G22/G23/G26)

The second-generation 4 Series (G22/G23/G26) caused a major stir upon its launch due to its bold, vertically oriented kidney grilles, designed to distinguish it sharply from the conservative 3 Series. Beneath the controversial styling lies a highly capable and refined grand tourer, offering exceptional cruising ability and improved chassis rigidity over its predecessor. Mechanically, the G22 generation benefits heavily from the mature B-series powertrains, with the B48 four-cylinder and B58 six-cylinder petrol engines proving remarkably reliable and efficient. Mild-hybrid (MHEV) technology was introduced across much of the range, improving low-end response and efficiency, though the 48V system adds complexity to the electrical architecture. Build quality is a significant step up, with an interior practically lifted straight from the more expensive 8 Series. However, UK buyers should be aware that the car's considerable width and limited rearward visibility make parking sensors and surround-view cameras almost mandatory. Also, ensure the advanced driver-assistance systems (ADAS) are fully functional, as radar and camera calibration can be costly if misaligned.