Cadillac CT6 Oil Capacity by Year

Newest year we have: the 2020 Cadillac CT6 manual lists 6.0 qt (3.6L V6 Engine) or 9.0 qt (4.2L V8 Engine). Across 2016–2020 it changes by year and version, so check yours below. Each year links to its owner's manual page.

2019 Cadillac CT6, representative photo
Shown: a 2019 Cadillac CT6 (same generation). Photo: Kevauto, CC BY-SA 4.0
YearOil capacitySource
2020 6.0 qt ≈ 5.7 L 3.6L V6 Engine9.0 qt ≈ 8.5 L 4.2L V8 Engine 2020 manual →
2019 5.3 qt ≈ 5.0 L 2.0L L4 Engine6.0 qt ≈ 5.7 L 3.0L V6 Engine6.0 qt ≈ 5.7 L 3.6L V6 Engine9.0 qt ≈ 8.5 L 4.2L V8 Engine 2019 manual →
2018 5.0 qt ≈ 4.7 L 2.0L L4 Engine6.0 qt ≈ 5.7 L 3.0L V6 Engine6.0 qt ≈ 5.7 L 3.6L V6 Engine 2018 manual →
2017 5.0 qt ≈ 4.7 L 2.0L L4 Engine6.0 qt ≈ 5.7 L 3.0L V6 Twin Turbo Engine6.0 qt ≈ 5.7 L 3.6L V6 Engine 2017 manual →
2016 5.0 qt ≈ 4.7 L 2.0L L4 Engine6.0 qt ≈ 5.7 L 3.0L V6 Twin Turbo Engine6.5 qt ≈ 6.2 L 3.6L V6 Engine 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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