Audi is the brand name of Audi Aktiengesellschaft based at Ingolstadt, Bavari, Germany. The brand is formed by the merging of Audi, Horch, DKW and Wanderer in to an Auto Union. One can find out all the German technological innovation and versatilities in Audi cars. The cars are famous for its long life. Audi uses cent percent galvanized sheets for protection from corrosion. The cars are offered with 12 year corrosion warranty. Audi has 8 saloon models starting from A1 to A8 and 2 coupes. Further it has 3 SUV in the series Q3, Q5 and Q7. In addition to the above it has six sports model and three racing models. New era cars are equipped with DRL and MMI. Audi is always ahead than others with their slogan Vorsprung durch Technik!