The BMW 4 Series Gran Coupe is a four-door coupe-style luxury car from German automaker BMW. The Gran Coupe is a four-door version of the two-door 4-series coupe. It is available in the same body style as the 4-Series coupe and convertible models, with a sloping roofline, and large side windows. It is powered by a range of BMW’s powerful gasoline and diesel engines, and offers the same performance, comfort and driving dynamics as the 4-Series coupe and convertible.