The 2018 Rolls-Royce Ghost is available as a 4-door, 5-seat sedan. Starting at $311,900, the 2018 Rolls-Royce Ghost Sedan is powered by a 6.6L, 12-cylinder engine mated to an automatic transmission that returns an EPA estimated 12-mpg in the city and 18-mpg on the highway. The top of the line 2018 Rolls-Royce Ghost EWB Sedan, priced at $345,900, is powered by a 6.6L, 12-cylinder engine mated to an automatic transmission that returns an EPA estimated 12-mpg in the city and 18-mpg on the highway.