Cadillac CT6 Generations Posted by Luke Wesolowski | Cadillac Models, Current Models, New in 2017 Cadillac CT6 – 2017-Present Cadillac CT6 History Debut: 2017 Type: Full-size sedan Rivals: Audi A8, Jaguar XJ, Lexus LS The CT6 is replacing the XTS as the brand’s flagship sedan. It is the largest sedan in the lineup. Load More...Follow on Instagram Search for: Show Me a Random Vehicle