Audi is a German automobile manufacturer that has been producing luxury vehicles since 1909. The Audi logo is one of the most recognizable symbols in the automotive industry. It consists of four interlocking rings that represent the four companies that merged to form Audi in 1932. The rings are also a symbol of the company’s commitment to excellence and innovation. Audi also uses a variety of emblems and signs to identify its vehicles. These include the Audi Sport logo, which is a shield with a stylized “A” in the center, and the Audi rings, which are used to identify Audi models. Audi also uses a variety of signs and symbols to indicate the type of vehicle, such as the “S” for sport models and the “Q” for SUV models. Audi’s signs and emblems are a testament to the company’s commitment to quality and innovation.