X 2009 Chevrolet Silverado K15 4WD

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

EPA Fuel Economy

Regular Gasoline

Combined: 16 MPG

City: 14 MPG

Highway: 20 MPG

E85

Combined: 12 MPG

City: 10 MPG

Highway: 15 MPG

X 2001 GMC Sierra 1500 2WD

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

EPA Fuel Economy

Combined: 17 MPG

City: 15 MPG

Highway: 20 MPG