X 2005 Porsche Carrera GT

5.7 L, 10 cyl, Man 6-spd, Premium Gasoline

EPA Fuel Economy

Combined: 11 MPG

City: 9 MPG

Highway: 15 MPG

X 2004 Kia Rio

1.6 L, 4 cyl, Auto 4-spd, Regular Gasoline

EPA Fuel Economy

Combined: 24 MPG

City: 21 MPG

Highway: 29 MPG