MPGCheck

GMC C15 Suburban 2WD Fuel Economy History

MPG by year — EPA official data.

Best MPG Year
1986
18 MPG combined
Latest Model
1986
18 MPG combined
YearEngineCityHwyCombinedFuel Cost/yr
1986Diesel Diesel162218$4,700Details →
1985Diesel Diesel152218$4,700Details →
1984Diesel Diesel162218$4,700Details →