GMC Sierra 1500 Fuel Tank Size by Year
Newest year we have: the 2024 GMC Sierra 1500 manual lists 28.3 gal. Across 2018–2024 it changes by year and version, so check yours below. Each year links to its owner's manual page.
| Year | Fuel tank size | Source |
|---|---|---|
| 2024 | 28.3 gal | 2024 manual → |
| 2023 | 28.3 gal | 2023 manual → |
| 2022 | 28.3 gal | 2022 manual → |
| 2021 | 24.0 gal Standard and Short Box (except 2WD Diesel)22.0 gal Standard and Short Box (2WD Diesel)28.3 gal Long Box | 2021 manual → |
| 2019 | 24.0 gal 1500 Series Standard and Short Box (Gas & 4WD Diesel)22.0 gal 1500 Series Standard and Short Box (2WD Diesel)28.0 gal 1500 Series Long Box | 2019 manual → |
| 2018 | 26.0 gal 1500 Series Standard and Short Box34.0 gal 1500 Series Long Box36.0 gal 2500 Series and 3500 Series Standard Box36.0 gal 2500 Series and 3500 Series Long Box+1 more versions | 2018 manual → |
Years are the 2018–2024 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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