Oldsmobile Calais Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

1985

25 MPG combined

Latest Model

1987

23 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
1987	Regular	19	29	23	$2,950	Details →
1986	Regular	21	31	24	$2,800	Details →
1985	Regular	21	31	25	$2,700	Details →