X 2007 Audi S8

5.2 L, 10 cyl, Auto (S6), Premium Gasoline

EPA Fuel Economy

Combined: 15 MPG

City: 13 MPG

Highway: 19 MPG

X 1994 Mercury Grand Marquis

4.6 L, 8 cyl, Auto 4-spd, Regular Gasoline

EPA Fuel Economy

Combined: 18 MPG

City: 16 MPG

Highway: 23 MPG