GMC Sierra K15 4WD Fuel Economy History
MPG by year — EPA official data.
Best MPG Year
2018
19 MPG combined
Latest Model
2018
19 MPG combined
| Year | Engine | City | Hwy | Combined | Fuel Cost/yr | |
|---|---|---|---|---|---|---|
| 2018 | Gasoline or E85 FFV | 17 | 22 | 19 | $3,550 | Details → |
| 2017 | Gasoline or E85 FFV | 17 | 22 | 19 | $3,550 | Details → |
| 2016 | Gasoline or E85 FFV | 17 | 22 | 19 | $3,550 | Details → |
| 2015 | Gasoline or E85 FFV | 17 | 22 | 19 | $3,550 | Details → |
| 2014 | Gasoline or E85 FFV | 17 | 22 | 19 | $3,550 | Details → |
| 2013 | Gasoline or E85 FFV | 15 | 21 | 17 | $3,950 | Details → |
| 2012 | Gasoline or E85 FFV | 15 | 21 | 17 | $3,950 | Details → |
| 2011 | Gasoline or E85 FFV | 15 | 21 | 17 | $3,950 | Details → |
| 2010 | Gasoline or E85 FFV | 15 | 21 | 17 | $3,950 | Details → |
| 2009 | Regular | 14 | 20 | 16 | $4,200 | Details → |
| 2008 | Regular | 14 | 18 | 16 | $4,200 | Details → |
| 2007 | Regular | 14 | 18 | 16 | $4,200 | Details → |