2019 Cadillac CT6 Oil type

2019 Cadillac CT6, representative photo
Shown: a 2019 Cadillac CT6 (same generation). Photo: Kevauto, CC BY-SA 4.0
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Depends on your engine. Choose yours, or compare them here.

  • 2.0L L4 Turbo (LSY) 0W-20
  • 3.0L V6 Twin Turbo (LGW) and 3.6L V6 (LGX) 5W-30
  • 3.0L V6 Twin Turbo (LGW) and 3.6L V6 (LGX), extreme cold below −29 °C (−20 °F) 0W-30
  • 4.2L V8 Twin Turbo (LTA) 0W-40

2019 Cadillac CT6 Owner's Manual, PDF page 302

use SAE 0W-20 viscosity gradeOpen the manual at this page ↗Added Oct 15, 2026
See where it's printed

Oil type · 2.0L L4 Turbo (LSY) · PDF page 302

use SAE 0W-20 viscosity grade

Oil type · 3.0L V6 Twin Turbo (LGW) and 3.6L V6 (LGX) · PDF page 302

engine, use SAE 5W-30 viscosity grade

Oil type · 3.0L V6 Twin Turbo (LGW) and 3.6L V6 (LGX), extreme cold below −29 °C (−20 °F) · PDF page 302

an SAE 0W-30 oil may

Oil type · 4.2L V8 Twin Turbo (LTA) · PDF page 302

Use SAE 0W-40 viscosity grade

2019 Cadillac CT6, representative photo
Shown: a 2019 Cadillac CT6 (same generation). Photo: Kevauto, CC BY-SA 4.0
See every quote (4 values)

All versions

4 values
Applies toValueManual saysPage
2.0L L4 Turbo (LSY) 0W-20 “use SAE 0W-20 viscosity grade” PDF page 302 ↗
3.0L V6 Twin Turbo (LGW) and 3.6L V6 (LGX) 5W-30 “engine, use SAE 5W-30 viscosity grade” PDF page 302 ↗
3.0L V6 Twin Turbo (LGW) and 3.6L V6 (LGX), extreme cold below −29 °C (−20 °F) 0W-30 “an SAE 0W-30 oil may” PDF page 302 ↗
4.2L V8 Twin Turbo (LTA) 0W-40 “Use SAE 0W-40 viscosity grade” PDF page 302 ↗

Scroll the table to see the quote and page →

0W-20 full synthetic motor oil

For 2.0L L4 Turbo (LSY)

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5W-30 full synthetic motor oil

For 3.0L V6 Twin Turbo (LGW) and 3.6L V6 (LGX)

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0W-30 full synthetic motor oil

For 3.0L V6 Twin Turbo (LGW) and 3.6L V6 (LGX), extreme cold below −29 °C (−20 °F)

Shop on Amazon
0W-40 full synthetic motor oil

For 4.2L V8 Twin Turbo (LTA)

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