Cadillac CT6 AWD Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

2020

21 MPG combined

Latest Model

2020

21 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
2020	Regular	18	27	21	$3,200	Details →
2019	Premium	18	26	21	$3,900	Details →
2018	Regular	18	27	21	$3,200	Details →
2017	Premium	18	26	21	$3,900	Details →
2016	Premium	18	26	21	$3,900	Details →