Question: what is the difference between a 3 series and a 4 series bmw?
Answer: The biggest difference between the 2018 BMW 3 and BMW 4 are the body styles that are offered. The 3 Series offers a sports sedan, sports wagon, and Gran Turismo. ... The BMW 4 Series comes as a coupe, Gran Coupe, and Convertible model. The Gran Coupe is a four-door coupe, but more powerful than the 3 Series sedan.