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 2005 Toyota Tundra 2WD

4.0 L, 6 cyl, Auto 5-spd, Regular Gasoline

EPA Fuel Economy

Combined: 18 MPG

City: 16 MPG

Highway: 20 MPG