This 2018 BMW 4 Series 420i M Sport is a remarkable find, boasting an exceptionally low mileage from its single owner. As a Euro 6 compliant vehicle, it features a responsive 2.0L petrol engine, all presented in the desirable M Sport trim. This particular model offers a generous boot space, making it a practical choice for everyday use and longer journeys alike. The appeal of this BMW 4 Series is further enhanced by its impressive fuel economy, achieving a notable 49 miles per gallon, which is significantly better than many similar vehicles. Additionally, its low CO2 emissions and placement within a low insurance group highlight its cost effectiveness and efficiency, making it an attractive option for a wide range of drivers.