During the Great Depression there was a car called the Brewster, which was a Ford with a custom grill and front fenders. So the rich could motor on the down low.
https://en.wikipedia.org/wiki/Brewst...er_automobiles
During the Oils Wars of the 1970s people put Rolls Royce[-like] grilles on VW Beetles.
[image redacted to save your eyes]
So things could get a little crazy.