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Fuel Economy of 2004 Compressed Natural Gas Vehicles
EPA MPG
MODEL City Comb Hwy
2004 Chevrolet Silverado 2500 HD 2WD CNG 8 cyl, 6.0 L, Automatic 4-spd, CNG
2004 Chevrolet Silverado 2500 HD 2WD CNG 9

City
10

Combined

 11

Highway
2004 Chevrolet Express Cargo (dedicated CNG) 8 cyl, 6.0 L, Automatic 4-spd, CNG
2004 Chevrolet Express Cargo (dedicated CNG) 11

City
12

Combined

 15

Highway
2004 Chevrolet Express Passenger (dedicated CNG) 8 cyl, 6.0 L, Automatic 4-spd, CNG
2004 Chevrolet Express Passenger (dedicated CNG) 11

City
12

Combined

 15

Highway
2004 Ford F150 CNG 8 cyl, 5.4 L, Automatic 4-spd, CNG
2004 Ford F150 CNG 11

City
13

Combined

 15

Highway
2004 Ford Crown Victoria CNG 8 cyl, 4.6 L, Automatic 4-spd, CNG
2004 Ford Crown Victoria CNG 12

City
14

Combined

 17

Highway
2004 GMC Savana Cargo (dedicated CNG) 8 cyl, 6.0 L, Automatic 4-spd, CNG
2004 GMC Savana Cargo (dedicated CNG) 11

City
12

Combined

 15

Highway
2004 GMC Savana Passenger (dedicated CNG) 8 cyl, 6.0 L, Automatic 4-spd, CNG
2004 GMC Savana Passenger (dedicated CNG) 11

City
12

Combined

 15

Highway
2004 Honda Civic CNG 4 cyl, 1.7 L, Automatic (variable gear ratios), CNG
2004 Honda Civic CNG 26

City
28

Combined

 31

Highway