X 2000 Mercedes-Benz S500

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

EPA Fuel Economy

Combined: 17 MPG

City: 15 MPG

Highway: 21 MPG

X 2008 Audi S4

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

EPA Fuel Economy

Combined: 16 MPG

City: 14 MPG

Highway: 21 MPG