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Fuel Economy of 2005 Compressed Natural Gas Vehicles
EPA MPG
MODEL City Comb Hwy
2005 Chevrolet Silverado 2500 HD 2WD CNG 8 cyl, 6.0 L, Automatic 4-spd, CNG
2005 Chevrolet Silverado 2500 HD 2WD CNG 8

City
9

Combined

 11

Highway
2005 Chevrolet Silverado 2500 HD 4WD CNG 8 cyl, 6.0 L, Automatic 4-spd, CNG
2005 Chevrolet Silverado 2500 HD 4WD CNG 8

City
9

Combined

 11

Highway
2005 GMC Sierra 2500 HD 2WD CNG 8 cyl, 6.0 L, Automatic 4-spd, CNG
2005 GMC Sierra 2500 HD 2WD CNG 8

City
9

Combined

 11

Highway
2005 GMC Sierra 2500 HD 4WD CNG 8 cyl, 6.0 L, Automatic 4-spd, CNG
2005 GMC Sierra 2500 HD 4WD CNG 8

City
9

Combined

 11

Highway
2005 Honda Civic CNG 4 cyl, 1.7 L, Automatic (variable gear ratios), CNG
2005 Honda Civic CNG 26

City
28

Combined

 31

Highway