Cadillac XTS Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

2019

22 MPG combined

Latest Model

2019

22 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
2019	Regular	19	28	22	$3,050	Details →
2018	Regular	19	28	22	$3,050	Details →
2017	Regular	18	28	22	$3,050	Details →
2016	Regular	18	28	21	$3,200	Details →
2015	Regular	18	28	21	$3,200	Details →
2014	Regular	18	28	21	$3,200	Details →
2013	Regular	17	27	21	$3,200	Details →