The "ZA series" refers to a line of vehicles produced by Mazda in the late 1980s and early 1990s. This series includes models like the Mazda 626 and Mazda MX-6, which were known for their reliability and sporty design. The vehicles in this series were popular for their fuel efficiency and comfortable interiors. In addition to their practical features, the ZA series cars often came equipped with advanced technology for their time, such as anti-lock braking systems and power windows. These models contributed to Mazda's reputation for producing affordable yet stylish vehicles that appealed to a wide range of consumers.