GMC Sierra Denali Fuel Tank Size by Year
Newest year we have: the 2016 GMC Sierra Denali manual lists 26.0 gal (1500 Series) or 36.0 gal (2500 Series and 3500 Series Standard Box), and more versions. Across 2014–2016 it changes by year and version, so check yours below. Each year links to its owner's manual page.
| Year | Fuel tank size | Source |
|---|---|---|
| 2016 | 26.0 gal 1500 Series36.0 gal 2500 Series and 3500 Series Standard Box36.0 gal 3500 Series Long Box | 2016 manual → |
| 2015 | 26.0 gal 1500 Series36.0 gal 2500 Series and 3500 Series Standard Box36.0 gal 3500 Series Long Box | 2015 manual → |
| 2014 | 26.0 gal 1500 Series36.0 gal 2500 Series and 3500 Series Standard Box36.0 gal 3500 Series Long Box | 2014 manual → |
Years are the 2014–2016 model years we have the owner's manual for. Open a year to see every version and the page it's printed on.
Confirm with your own manual, dipstick or door-jamb label.
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