X 2005 Audi S4

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

EPA Fuel Economy

Combined: 16 MPG

City: 14 MPG

Highway: 21 MPG

X 2012 Ford Flex AWD

3.5 L, 6 cyl, Auto 6-spd, Regular Gasoline

MSRP: $33,950 - $43,850

EPA Fuel Economy

Combined: 18 MPG

City: 16 MPG

Highway: 23 MPG