Cadillac’s flagship CT6 is an impressive luxury car. Plush, roomy, quick, agile and high-tech, it just might be worthy of Cadillac's old slogan: “Standard of the World.” The CT6’s stellar Road Test score certainly ranks it among the best sedans. Our qualms revolve around a few interior quibbles.
The CT6 slots in between two defined sedan classes. It’s bigger than the premium midsized sedans with which it’s similar in price -- including the Audi A6, BMW 5 Series, and Mercedes-Benz E-Class -- yet smaller than ultra luxury flagships such as the Audi A8, BMW 7 Series, and Mercedes-Benz S-Class.
In most cases, automotive warranties are based on the vehicle identification number (VIN), and the warranty will be valid regardless of ownership. The dealership can tell you exactly how much warranty is left.Read more about extended warranties