BMW 128i Convertible Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

2009

21 MPG combined

Latest Model

2009

21 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
2009	Premium	18	28	21	$3,900	Details →
2008	Premium	18	28	21	$3,900	Details →