BREAKING NEWS STILL Rolls-Royce Motor Cars to Unveil Rolls-Royce 200EX Concept Prototype at Geneva Motor Show Rolls-Royce Motor Cars will unveil its latest experimental car, called 200EX, at the Geneva Motor Show on 3 March 2009. 200EX is a design study for a contemporary four-door saloon and shows the direction for RR4, a new model series from Rolls-Royce due for production in 2010.