1. Acura: a luxury automobile division of Honda.
2. AMC: American Motors Corporation, a defunct American automobile manufacturer. Some notable AMC models included the Gremlin, Hornet, and Pacer.
3. Auburn: a luxury car brand manufactured by the Auburn Automobile Company from 1900 to 1936.
4. Avanti: a sports car manufactured by the Studebaker Corporation and later by Avanti Motor Corporation. The Avanti is known for its distinctive fiberglass body and powerful engines.
5. Aptera Motors: an American electric vehicle startup company that plans to produce a highly efficient solar-powered car.