The BMW 4 SERIES CONVERTIBLE (2013-18) 420D 2DR CONVERTIBLE 2.0 DPF SS 190 EU6 M SPORT 6SPD is a premium two-door convertible, sitting between everyday cars and open-top grand tourers in the UK used-car market. With M Sport styling, it offers a smart, sporty alternative to a family hatchback, with space for occasional rear-seat passengers. Mycarcheck.com checks have recorded 91 look-ups across 44 distinct VINs, showing steady buyer interest. The average private-sale valuation is £14,000, with an average recorded mileage of 62,000 miles and around 7,000 miles driven annually. Cars have averaged just over two previous keepers, at 2.2 each. That makes the 420d a choice for commuters and couples wanting open-air weekends, comfort and diesel running costs. Its folding roof and brisk refined feel set it apart from saloons while M Sport trim adds appeal. It competes with the Audi A5 and Mercedes C-Class convertibles, balancing style and usability.