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GMC Sierra C15 Fuel Economy

EPA-verified MPG for all 18 variants (2015–2019)

20Best MPG
18Avg MPG
18Variants
5Model Years

Sierra C15 by model year — click a row to jump to that year

Year Best MPG Avg MPG Variants
2019 17 MPG 17 MPG 1
2018 20 MPG 18 MPG 4
2017 20 MPG 18 MPG 4
2016 20 MPG 18 MPG 4
2015 20 MPG 18 MPG 5