This 2017 BMW 4 Series 420i M Sport is a remarkable find, boasting exceptionally low mileage for its age at just 46,000 miles. As a Euro 6 compliant model, it features a responsive 2.0L petrol engine paired with a capable four wheel drive system, all presented in the sporty M Sport trim. This particular example benefits from the M Sport Plus Package, enhancing its already impressive specification with features like the M Sport Braking System and a premium Loudspeaker System from Harman Kardon. Practicality is also well catered for, with ample boot space and driver and front passenger lumbar support for added comfort on longer journeys. Parking is made effortless thanks to the Park Distance Control system, which includes front and rear sensors and parking assistance. This BMW 4 Series 420i M Sport offers several advantages that set it apart. Its fuel economy is a notable highlight, achieving an impressive 46 miles per gallon, which indicates it is more economical than many similar vehicles. Furthermore, its low CO2 emissions are a positive environmental indicator, and it sits within a low insurance group, suggesting lower running costs. These combined factors, alongside its low mileage and desirable features, make this a compelling choice for those seeking a premium coupe with a blend of performance, comfort, and efficiency.