Cars and TransportationSetra tour buses - then and now07:06This browser does not support the video element.Cars and Transportation10/28/2015October 28, 2015Drive it! tours the past in a Setra S6. Kässbohrer introduced the pioneering vehicle in 1955 at the Geneva Motor Show as the world's first bus with a self-supporting body. The Setra S 511 HD is the latest model of the old classic.Copy linkAdvertisement