Audi is a famous developer and manufacturer of automobiles with a logo of four interlocking rings. Now a subsidiary of Volkswagen AG, headquartered in Ingolstadt, Germany, its main models are Audi A1, Audi A3, Audi A4, Audi A5, Audi A6, Audi A7, Audi A8, Audi Q1, Audi Q2 [4], Audi Q3, Audi Q5, Audi Q7, Audi Q8 [5-6], Audi TT, Audi R8, Audi e-tron GT, and S , RS Performance Series, and others.
The Audi Group includes the parent company and its subsidiaries Audi Hungary, quattro GmbH as well as Automobili Lamborghini and Cosworth Technologies, Audi Brazil and Audi Senarita. In addition, Audi has production plants in China, Malaysia and South Africa.