source: Audi Tradition It's all about the Four Rings: from the DKW Schnellaster to the Audi 100 Avant GLS Around 200,000 visitors are expected between April 10 and 14 Station wagons from the company's history will be in the spotlight of Audi Tradition's presence at this year's Techno Classica in Essen. From Wednesday, April 10 to Sunday, April 14, the world's biggest classic vehicle show will provide a perfect stage for seven automobile treasures from Audi history. The man...