2019 Setra S 531 DT in Valencia Colour: Viola Pyxis metallic Maximum efficiency, variability, comfort and safety.Exciting design: The new Setra S 531 DT double-decker bus Safety: Active Brake Assist 4 and Sideguard Assist feature in a bus forthe first timeEfficiency: outstanding aerodynamics lower fuel consumptionVariability: the new Setra is a bus to meet all needsComfort: bright interior, convenient stairs, innovative washroomThe Setra double-decker bus is "heaven-scent"Design: