Cadillac STS-V Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

2009

15 MPG combined

Latest Model

2009

15 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
2009	Premium	13	19	15	$5,450	Details →
2008	Premium	13	19	15	$5,450	Details →
2007	Premium	12	19	15	$5,450	Details →
2006	Premium	12	19	14	$5,850	Details →