Cadillac Fleetwood/DeVille Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

1992

18 MPG combined

Latest Model

1992

18 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
1992	Premium	15	23	18	$4,550	Details →
1991	Premium	15	24	18	$4,550	Details →
1990	Premium	15	23	17	$4,800	Details →
1989	Regular	15	23	18	$3,750	Details →
1987	Regular	15	23	18	$3,750	Details →
1986	Regular	15	24	18	$3,750	Details →