X 2006 Jeep Grand Cherokee 4WD

6.1 L, 8 cyl, Auto 5-spd, Premium Gasoline

EPA Fuel Economy

Combined: 12 MPG

City: 11 MPG

Highway: 14 MPG

X 2009 Chevrolet HHR Panel FWD

2.4 L, 4 cyl, Auto 4-spd, Regular Gasoline or E85

EPA Fuel Economy

Regular Gasoline

Combined: 24 MPG

City: 22 MPG

Highway: 29 MPG

E85

Combined: 17 MPG

City: 15 MPG

Highway: 21 MPG