With only one owner and very low mileage for its year, this 2021 BMW 4 Series 420i M Sport is a superb find. Featuring a 2.0L petrol engine and a four-wheel-drive drivetrain, this Euro 6 emission class vehicle comes with the M Sport Pro Package and M Sport brakes with blue calipers. Parking is made simple with the Parking Assistant, which includes front and rear sensors and a rear camera. This particular model stands out with its large boot space, offering practicality alongside its sporty appeal. The fuel economy is around 40 mpg, which is better than similar vehicles in its class. Furthermore, it falls into a low insurance group and boasts low CO2 emissions, making it an economical choice for drivers.