X 1998 Mercedes-Benz S600

6.0 L, 12 cyl, Auto 5-spd, Premium Gasoline

EPA Fuel Economy

Combined: 13 MPG

City: 11 MPG

Highway: 17 MPG

X 2011 Rolls-Royce Phantom

6.7 L, 12 cyl, Auto (S6), Premium Gasoline

MSRP: $380,000

EPA Fuel Economy

Combined: 14 MPG

City: 11 MPG

Highway: 18 MPG