X 2006 Porsche Carrera 4 S Cabriolet

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

EPA Fuel Economy

Combined: 19 MPG

City: 16 MPG

Highway: 23 MPG

X 1997 BMW 840ci

4.4 L, 8 cyl, Auto 5-spd, Premium Gasoline

EPA Fuel Economy

Combined: 15 MPG

City: 14 MPG

Highway: 19 MPG