X 2005 BMW 525i

2.5 L, 6 cyl, Man 6-spd, Premium Gasoline

EPA Fuel Economy

Combined: 20 MPG

City: 17 MPG

Highway: 26 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