X 2008 Mazda CX-9 2WD

3.7 L, 6 cyl, Auto (S6), Regular Gasoline

EPA Fuel Economy

Combined: 18 MPG

City: 16 MPG

Highway: 22 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