Cadillac CT6 Fuel Tank Size by Year
Newest year we have: the 2020 Cadillac CT6 manual lists 19.2 gal. Across 2016–2020 it changes by year and version, so check yours below. Each year links to its owner's manual page.

| Year | Fuel tank size | Source |
|---|---|---|
| 2020 | 19.2 gal ≈ 72.7 L | 2020 manual → |
| 2019 | 19.2 gal ≈ 72.7 L | 2019 manual → |
| 2018 | 19.2 gal ≈ 72.7 L Gasoline Only15.6 gal ≈ 59.1 L PLUG-IN | 2018 manual → |
| 2017 | 19.2 gal ≈ 72.7 L Gasoline Only15.3 gal ≈ 57.9 L Hybrid | 2017 manual → |
| 2016 | 19.2 gal ≈ 72.7 L | 2016 manual → |
Years are the 2016–2020 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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