X 2008 Infiniti M45

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

EPA Fuel Economy

Combined: 18 MPG

City: 16 MPG

Highway: 21 MPG

X 2008 Porsche Carrera 4 Targa

3.6 L, 6 cyl, Auto 5-spd, Premium Gasoline

EPA Fuel Economy

Combined: 19 MPG

City: 17 MPG

Highway: 24 MPG