X 2012 BMW 535i xDrive

3.0 L, 6 cyl, Auto (S8), Premium Gasoline

MSRP: $54,800

EPA Fuel Economy

Combined: 24 MPG

City: 21 MPG

Highway: 30 MPG

X 2010 Mazda CX-9 2WD

3.7 L, 6 cyl, Auto (S6), Regular Gasoline

MSRP: $28,805 - $32,815

EPA Fuel Economy

Combined: 18 MPG

City: 16 MPG

Highway: 22 MPG