This 2017 BMW 4 Series 420i M Sport stands out with its exceptionally low mileage of just 40898 miles, making it a truly special find for its age. This Euro 6 compliant model boasts a responsive 2.0L petrol engine, delivering a refined driving experience synonymous with the M Sport trim. You'll appreciate the generous boot space, perfect for accommodating luggage or shopping. When considering running costs, this 4 Series truly shines. Its impressive fuel economy of 46 mpg means fewer trips to the petrol station, and its low insurance group further contributes to affordability. Furthermore, its low CO2 emissions are a testament to its efficient design, indicating it performs better than many similar vehicles in its class.