Aurea built sidevalve and overhead valvefour-cylindercars with engines that started at 1460cc in the S.V. version engine, but later were increased to 1479 cc in both S.V. and O.H.V. engine configurations. Only the "S" type MONZA factory racing version contained the overhead valve engine type engine. The cars were well-made, but fairly heavy. Regular production of Aureas stopped around 1926, but the company produced a few more cars from existing parts and maintained parts supply under for the vehicles under [List of automobile companies founded by the List of automobile companies founded by the Ceirano brothers|Ceirano brothers|Ceirano]'s new ownership and management from late 1926 onwards. After the last Aurea vehicle assembly, the same factory was used to manufacture Ceirano commercial vehicles, particularly trucks.