These models, which represent the pinnacle of Audi’s performance lineup, are the embodiment of the company’s motto, “Vorsprung durch Technik.” European sports cars are typically associated with brands like BMW’s M Division and Mercedes-Benz’s AMG line. If Audi Sport isn’t the first German automaker that comes to mind when you think “performance,” it should be. It has shown us why they deserve our respect as a serious manufacturer of high-quality machinery. Audi’s 1990 S2 was the company’s first performance car, but it took only a few years for the company…