奥迪A6L：品牌篇

Volkswagen：Volkswagen is an automobile manufacturing company headquartered in Wolfsburg, Germany, and the core enterprise of the Volkswagen Group, one of the world's four largest automobile manufacturers. Main models: POLO, Beetle, Golf, EOS sports car, Lavida, Golf, Bora, Sagitar, Jetta, Volkswagen CC, Volkswagen Passat, etc.

Audi：Audi, the German luxury car brand, its logo is four rings. It is a subsidiary of German Volkswagen, headquartered in Ingolstadt, Germany, and has branches in China and many other countries.