Home › Cars › GMC › Sierra

GMC Sierra fuel cost by year

The 2026 GMC Sierra costs about $297 per month to fuel at U.S. average prices (13,500 miles/year). Pick a model year for state-by-state costs and a calculator.

YearEfficiencyPer monthPer year
202617 MPG$297$3,560
202516 MPG$315$3,782
202416 MPG$315$3,782
202317 MPG$297$3,560
202216 MPG$315$3,782
202117 MPG$297$3,560
202017 MPG$297$3,560
201917 MPG$297$3,560
201818 MPG$280$3,362
201718 MPG$280$3,362
201618 MPG$280$3,362