X 2004 Pontiac GTO

5.7 L, 8 cyl, Auto 4-spd, Premium Gasoline

EPA Fuel Economy

Combined: 17 MPG

City: 15 MPG

Highway: 20 MPG

X 1998 Audi A6 Wagon quattro

2.8 L, 6 cyl, Auto 4-spd, Premium Gasoline

EPA Fuel Economy

Combined: 19 MPG

City: 17 MPG

Highway: 22 MPG