MPGCheck

Chevrolet Impala Bi-Fuel (CNG) Fuel Economy History

MPG by year — EPA official data.

Best MPG Year
2016
20 MPG combined
Latest Model
2016
20 MPG combined
YearEngineCityHwyCombinedFuel Cost/yr
2016Gasoline or natural gas Bifuel (CNG)172520$3,400Details →
2015Gasoline or natural gas Bifuel (CNG)172520$3,400Details →