Before WWII there was a huge number of car makers. In the depression of the 30s a lot of them went out of business. Some that made it into the post-war era eventually failed.
One car brand per comment. Lines within a brand don't count, e.g. Chevy Bel Air. Violation of this rule will result in a very annoying, repulsive looking, and hard to get rid of skin condition. Bear this in mind.
Here's one to get started: Auburn, Cord, Deusenberg