The BMW 4 SERIES COUPE (2017-20) 420I 2DR COUPE 2.0 SS 184 EU6 M SPORT 6SPD is a premium two-door petrol coupe, sitting between everyday family cars and more focused sports cars in the UK market. Its sleek shape and M Sport styling give it a more purposeful presence than a saloon, while the rear seats and boot retain useful everyday practicality. Mycarcheck.com has recorded 398 checks covering 144 distinct VINs, giving a useful snapshot of cars shoppers have researched. Those checks show an average private-sale valuation of £16,000, average recorded mileage of 43,000 miles and about 1.8 previous keepers; average annual mileage is 13,000. These are observed figures, not a guarantee of any individual car’s price or history. Best for couples and commuters, the 420i blends comfort with an enjoyable drive, though two doors limit family convenience. M Sport styling adds appeal; against the Audi A5 and Mercedes C-Class Coupe, it’s known for handling and a driver-focused feel. Check service history before buying.