Chevrolet Silverado 4WD TrailBoss Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

2021

18 MPG combined

Latest Model

2021

18 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
2021	Regular	16	21	18	$3,750	Details →
2020	Regular	16	21	18	$3,750	Details →