X 2006 Mercury Montego AWD

3.0 L, 6 cyl, Auto (variable gear ratios), Regular Gasoline

EPA Fuel Economy

Combined: 19 MPG

City: 17 MPG

Highway: 23 MPG

X 2001 GMC Sierra 1500 2WD

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

EPA Fuel Economy

Combined: 15 MPG

City: 14 MPG

Highway: 18 MPG