MPGCheck

GMC R15 Suburban 2WD Fuel Economy History

MPG by year — EPA official data.

Best MPG Year
1987
18 MPG combined
Latest Model
1988
17 MPG combined
YearEngineCityHwyCombinedFuel Cost/yr
1988Diesel Diesel152117$5,000Details →
1987Diesel Diesel162118$4,700Details →