Mass motorization and the oil crisis. The car is the spoiled child of the Germans. In Auto Union, the era of the DKW car with a two-stroke engine came to an end and the new four-stroke Audi was launched. In 1969, Audi merged with NSU and since then, the slogan "At the forefront of technology" has accompanied the triumphant evolution of the brand of the four rings in its journey to become a manufacturer of the highest quality.