The S 431 DT is a double-decker coach of the Setra brand, which has been manufactured by Evobus since 2002. It is the only double-decker model in the TopClass 400 series Model facelift, in which the vehicle was mainly technically revised and a Euro 6 engine was introduced. A new cockpit has also been introduced. Daimler states that a total of 2500 vehicles had been delivered by June 2015. The vehicle was built at the Setra plant in Neu-Ulm, a Setra S431 DT costs around 470,000 euros, depending on the equipment. The S431 DT also gained importance in particular due to the strong growth in long-distance bus business. Length: 89.6mm