GMC Sierra MPG by Year
| Year | Combined | Fuel | Cost per 100 miles | Trims | Recalls |
|---|---|---|---|---|---|
| 2026 | 15–68 | Electricity, Regular gasoline, Diesel, Premium gasoline | $9.52 | 25 | 2 |
| 2025 | 15–64 | Electricity, Regular gasoline, Premium gasoline, Diesel | $10.06 | 25 | 1 |
| 2024 | 15–25 | Regular gasoline, Diesel, Premium gasoline | $16.28 | 26 | 1 |
| 2023 | 15–26 | Regular gasoline, Diesel, Premium gasoline | $15.65 | 24 | 3 |
| 2022 | 14–26 | Regular gasoline, Premium gasoline, Diesel | $15.65 | 34 | 6 |
| 2021 | 14–26 | Regular gasoline, Premium gasoline, Diesel | $15.65 | 36 | – |
| 2020 | 15–26 | Regular gasoline, Diesel, Premium gasoline | $15.65 | 26 | – |
| 2019 | 15–21 | Regular gasoline, Premium gasoline | $19.38 | 22 | – |
| 2018 | 17–20 | Regular gasoline, Premium gasoline | $20.34 | 14 | – |
| 2017 | 17–20 | Regular gasoline | $20.34 | 14 | – |
| 2016 | 17–20 | Regular gasoline | $20.34 | 14 | – |
| 2015 | 17–20 | Regular gasoline | $20.34 | 14 | – |
| 2014 | 17–20 | Regular gasoline | $20.34 | 6 | – |
| 2013 | 14–21 | Regular gasoline | $19.38 | 12 | – |
| 2012 | 14–21 | Regular gasoline | $19.38 | 12 | – |
| 2011 | 14–21 | Regular gasoline | $19.38 | 12 | – |
| 2010 | 14–22 | Regular gasoline | $18.49 | 12 | – |
| 2009 | 14–21 | Regular gasoline | $19.38 | 20 | – |
| 2008 | 14–17 | Regular gasoline, Premium gasoline | $23.93 | 12 | – |
| 2007 | 14–17 | Premium gasoline, Regular gasoline | $29.36 | 27 | – |
| 2006 | 13–17 | Regular gasoline, Premium gasoline | $23.93 | 17 | – |
| 2005 | 9–17 | Regular gasoline, CNG, Premium gasoline | $23.93 | 19 | – |
| 2004 | 13–17 | Regular gasoline | $23.93 | 16 | – |
| 2003 | 13–16 | Regular gasoline | $25.43 | 13 | – |
| 2002 | 12–16 | Regular gasoline | $25.43 | 13 | – |
| 2001 | 11–17 | Regular gasoline | $23.93 | 11 | – |
| 2000 | 12–18 | Regular gasoline | $22.60 | 12 | – |
| 1999 | 12–17 | Regular gasoline | $23.93 | 16 | – |
| 1998 | 13–18 | Diesel, Regular gasoline | $34.61 | 18 | – |
| 1997 | 13–18 | Diesel, Regular gasoline | $34.61 | 18 | – |
| 1996 | 13–18 | Diesel, Regular gasoline | $34.61 | 19 | – |
| 1995 | 12–19 | Regular gasoline, Diesel | $21.41 | 45 | – |
| 1994 | 12–19 | Regular gasoline, Diesel | $21.41 | 44 | – |
| 1993 | 12–18 | Diesel, Regular gasoline | $34.61 | 41 | – |
| 1992 | 12–20 | Diesel, Regular gasoline | $31.15 | 20 | – |
| 1991 | 12–20 | Diesel, Regular gasoline | $31.15 | 27 | – |
| 1990 | 12–18 | Diesel, Regular gasoline | $34.61 | 23 | – |
| 1989 | 12–19 | Diesel, Regular gasoline | $32.79 | 24 | – |
Fuel economy: U.S. EPA fueleconomy.gov