X 2009 Infiniti M45

4.5 L, 8 cyl, Auto (S5), Premium Gasoline

EPA Fuel Economy

Combined: 18 MPG

City: 16 MPG

Highway: 21 MPG

X 2011 Lexus IS 350 AWD

3.5 L, 6 cyl, Auto (S6), Premium Gasoline

MSRP: $42,180

EPA Fuel Economy

Combined: 20 MPG

City: 18 MPG

Highway: 25 MPG