X 1998 Pontiac Firebird/Formula

3.8 L, 6 cyl, Auto 4-spd, Regular Gasoline

EPA Fuel Economy

Combined: 20 MPG

City: 17 MPG

Highway: 26 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