BMW 6 Series Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

1984

18 MPG combined

Latest Model

1988

15 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
1988	Regular	14	19	15	$4,500	Details →
1987	Regular	15	20	16	$4,200	Details →
1986	Regular	14	20	17	$3,950	Details →
1985	Regular	15	20	17	$3,950	Details →
1984	Regular	15	22	18	$3,750	Details →