X 1999 Pontiac Grand Prix

3.8 L, 6 cyl, Auto 4-spd, Regular Gasoline

EPA Fuel Economy

Combined: 21 MPG

City: 17 MPG

Highway: 27 MPG

X 2006 Infiniti FX35 AWD

3.5 L, 6 cyl, Auto (S5), Regular Gasoline

EPA Fuel Economy

Combined: 17 MPG

City: 15 MPG

Highway: 20 MPG