BMW's family of coupes, convertibles and the Gran Coupe based on the 3 Series, sold in 420i versions and up, including the M4. Suits a premium-coupe buyer who prefers sportiness over practicality and wants a choice of body styles. The 4 Series was not tested separately, but Euro NCAP awarded it 5 stars based on the 3 Series. Official combined fuel consumption is 15.1 km/L.