This 2018 BMW 4 Series 420i M Sport is a remarkable find, boasting exceptionally low mileage for its age at just 34,744 miles, complemented by a full service history. As a Euro 6 compliant model, it features a responsive 2.0 litre petrol engine and the sporty M Sport trim, offering a refined driving experience. This particular 420i M Sport stands out with its impressive fuel economy, achieving up to 49 miles per gallon, which is a significant advantage over many similar vehicles. Furthermore, its low CO2 emissions and low insurance group contribute to lower running costs, making it an economical choice. The generous boot space also ensures practicality for everyday use and longer journeys.