X 1991 Buick Century

2.5 L, 4 cyl, Auto 3-spd, Regular Gasoline

EPA Fuel Economy

Combined: 22 MPG

City: 19 MPG

Highway: 28 MPG

X 2009 Porsche Carrera 4 S Coupe

3.8 L, 6 cyl, Man 6-spd, Premium Gasoline

EPA Fuel Economy

Combined: 20 MPG

City: 18 MPG

Highway: 25 MPG