It wasn't through choice - Dodge threatened them with legal action. They abandoned the Dart name altogether, it was the SP250 everywhere.
Originally Posted by
dogsridewith
preceeded by the Nash Ambassador
(any Nash aeroplanes or Alpha motorcars?)
Presumably the Nash and Rambler Ambassador were basically the same car? I had a vague idea Nash became Rambler which was sort of right when I looked it up.
I'm now wondering why a small English boy would have been aware of that around 60 years ago - and remembered it!