Question: The Rolls-Royce Wraith is  based on the chassis of what car that was known as RR04 during development?
Sentence (from "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.
Relevant evidence: Yes