The top-rated vehicle of this body style that we’ve tested is the 2020 Mercedes-Benz S-Class, which holds a BuzzScore of 9.5 out of 10. It’s followed by the high-performance Mercedes-AMG S63 and BMW M8. The Porsche 911 Carrera Cabriolet and Bentley Continental GT also have spots in our top 10. Much more affordable is the Ford Mustang GT with a BuzzScore of 8.6, as well as the Audi A5 with an 8.5.