Stuttgart, Germany. 26th Mar, 2015. A vintage car model Porsche 918 Spyder Prototyp Rolling Chassis from 2011 is on display at the vintage car fair 'Retro Classics' in Stuttgart, Germany, 26 March
918 Spyder Rolling chassis
Erprobung der Technik des 918 Spyder in einem so genannten Rolling Chassis | | SuperCars.net