Mercury Marquis Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

1986

20 MPG combined

Latest Model

1986

20 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
1986	Regular	18	23	20	$3,400	Details →
1985	Regular	19	23	20	$3,400	Details →
1984	Regular	18	22	20	$3,400	Details →