คู่แข่ง BMW 4 Series Convertible 2020 มีได้แก่:Aston Martin Db11, Audi TT Roadster, Mazda MX-5, Mercedes-Benz S-Class Cabriolet, Mercedes-Benz Sl Roadster.
คู่แข่ง BMW 4 Series Convertible 2020 มีได้แก่:Aston Martin Db11, Audi TT Roadster, Mazda MX-5, Mercedes-Benz S-Class Cabriolet, Mercedes-Benz Sl Roadster.