X 2005 Rolls-Royce Phantom

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

EPA Fuel Economy

Combined: 13 MPG

City: 11 MPG

Highway: 17 MPG

X 2011 BMW 760Li

6.0 L, 12 cyl, Auto (S8), Premium Gasoline

MSRP: $137,300

EPA Fuel Economy

Combined: 15 MPG

City: 13 MPG

Highway: 19 MPG