MPGCheck

Oldsmobile Delta 88 Royale Fuel Economy History

MPG by year — EPA official data.

Best MPG Year
1985
21 MPG combined
Latest Model
1987
19 MPG combined
YearEngineCityHwyCombinedFuel Cost/yr
1987Regular162519$3,550Details →
1986Regular172720$3,400Details →
1985Diesel Diesel182721$4,050Details →