X 2008 Maserati Quattroporte

4.2 L, 8 cyl, Auto 6-spd, Premium Gasoline

EPA Fuel Economy

Combined: 14 MPG

City: 12 MPG

Highway: 18 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