Cadillac CTS and CTS-V Fuel Tank Size by Year
Newest year we have: the 2019 Cadillac CTS and CTS-V manual lists 19 gal. Across 2010–2019 it changes by year and version, so check yours below. Each year links to its owner's manual page.

| Year | Fuel tank size | Source |
|---|---|---|
| 2019 | 19 gal ≈ 71.9 L | 2019 manual → |
| 2018 | 19 gal ≈ 71.9 L | 2018 manual → |
| 2017 | 19 gal ≈ 71.9 L | 2017 manual → |
| 2016 | 19 gal ≈ 71.9 L | 2016 manual → |
| 2010 | 18.0 gal ≈ 68.1 L | 2010 manual → |
Years are the 2010–2019 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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