* Auburn
* Austin
* Alfa Romeo
* American LaFrance
* A.C. (for AC Cars)
To give you a more specific answer, I need more information.
* What year are you interested in? Antique cars generally refer to vehicles made before 1945, but this can vary.
* What country are you interested in? Antique cars were made all over the world.
* What kind of car are you looking for? Are you interested in a specific model or type of car?
With more information, I can give you a better answer!