X 2009 BMW 650ci Convertible

4.8 L, 8 cyl, Auto (S6), Premium Gasoline

EPA Fuel Economy

Combined: 18 MPG

City: 15 MPG

Highway: 23 MPG

X 2000 Porsche 911 Carrera

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

EPA Fuel Economy

Combined: 18 MPG

City: 15 MPG

Highway: 23 MPG