The Rolls-Royce Wraith is  based on the chassis of what car that was known as RR04 during development?
Rolls-Royce Wraith (2013) The Rolls-Royce Wraith is a British handmade 4 seat luxury grand tourer manufactured by Rolls-Royce Motor Cars and based on the chassis of the Rolls-Royce Ghost.
Porsche 914 The Porsche 914 or VW-Porsche 914 is a mid-engined, targa-topped two-seater roadster designed sports car manufactured and marketed collaboratively by Volkswagen and Porsche from 1969 to 1976.