The Cadillac looks like a Honda mini van with a chopped top. The Lincoln tail lights have always reminded me of the stormtroopers helmet off Star Wars.

Ford has came out with the retro Mustang, Dodge with the Charger, and Chevy with the Camaro. Maybe it's time Cadillac came out with something retro that would have character enough to be used as a coach.
As for vehicle types,if you get a chance to ride in the back of the new vehicles,on the stretcher you will see where my constant apology of sorry about the ride,but its just a truck...comes from.