i am 31 and drive a crown vic and even I said that buicks were old man cars. 
if an old man driving an old man car says that you have an old man car, that’s bad.
GM should keep Cadillac as luxury cars and chevy as lower end cars. GMC, Buick, Pontiac, etc… should be cut. Maybe buick can stay because of the following they have with the old people, but a Caddy could fill that role also.