X 2009 GMC Sierra C15 XFE 2WD

5.3 L, 8 cyl, Auto 6-spd, Regular Gasoline or E85

EPA Fuel Economy

Regular Gasoline

Combined: 17 MPG

City: 15 MPG

Highway: 21 MPG

E85

Combined: 13 MPG

City: 11 MPG

Highway: 16 MPG

X 2000 Honda Civic HX

1.6 L, 4 cyl, Auto (variable gear ratios), Regular Gasoline

EPA Fuel Economy

Combined: 31 MPG

City: 29 MPG

Highway: 35 MPG