X 2012 GMC Yukon XL 2500 4WD

6.0 L, 8 cyl, Auto 6-spd, Regular Gasoline

MSRP: $47,885 - $52,265

EPA Fuel Economy

Combined: 12 MPG

City: 10 MPG

Highway: 15 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