Infiniti is a luxury car brand owned by the Japanese automaker Nissan Motor Company. Infiniti cars are designed and built by Nissan and its subsidiary companies. Infiniti was introduced in 1989 as Nissan's luxury brand, and the first Infiniti models were released in 1990. Today, Infiniti offers a range of luxury cars, SUVs, and crossovers, and is known for its sleek designs and advanced technology.