X 2006 Dodge Viper Convertible

8.30 L, 10 cyl, Man 6-spd, Premium Gasoline

EPA Fuel Economy

Combined: 13 MPG

City: 11 MPG

Highway: 19 MPG

X 2011 Jeep Grand Cherokee 4WD

3.6 L, 6 cyl, Auto 5-spd, Regular Gasoline or E85

MSRP: $32,215

EPA Fuel Economy

Regular Gasoline

Combined: 18 MPG

City: 16 MPG

Highway: 22 MPG

E85

Combined: 14 MPG

City: 12 MPG

Highway: 16 MPG