X 2008 BMW M3 Coupe

4.0 L, 8 cyl, Man 6-spd, Premium Gasoline

EPA Fuel Economy

Combined: 16 MPG

City: 14 MPG

Highway: 20 MPG

X 2008 Mercedes-Benz SLK280

3.0 L, 6 cyl, Auto 7-spd, Premium Gasoline

EPA Fuel Economy

Combined: 20 MPG

City: 18 MPG

Highway: 24 MPG