X 2000 Honda Civic CNG

1.6 L, 4 cyl, Auto 4-spd, Natural Gas

EPA Fuel Economy

Combined: 27 MPG

City: 24 MPG

Highway: 31 MPG

X 1999 Jeep Grand Cherokee 4WD

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

EPA Fuel Economy

Combined: 16 MPG

City: 14 MPG

Highway: 19 MPG

X 1991 GMC Jimmy V1500 4WD

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

EPA Fuel Economy

Combined: 13 MPG

City: 11 MPG

Highway: 15 MPG