CAR SPEC SHEET

2026 Cadillac CT5 Oil type

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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 (LGY) 5W-30
  • 3.0L V6 Twin Turbo (LGY), extreme cold below −29 °C (−20 °F) 0W-30
  • 6.2L V8 (LT4) 0W-40

2026 Cadillac CT5 Owner's Manual, PDF pages 306 and 307

For the 2.0L L4 Turbo (LSY) engine, use SAE 0W-20Open the manual at this page ↗Added Oct 17, 2026 · Updated
See where it's printed

Oil type · 2.0L L4 Turbo (LSY) · PDF page 306

For the 2.0L L4 Turbo (LSY) engine, use SAE 0W-20

Oil type · 3.0L V6 Twin Turbo (LGY) · PDF page 306

SAE 5W-30 viscosity grade engine oil.

Oil type · 3.0L V6 Twin Turbo (LGY), extreme cold below −29 °C (−20 °F) · PDF page 306

°C (−20 °F), an SAE 0W-30 oil may be used.

Oil type · 6.2L V8 (LT4) · PDF page 307

For the 6.2L V8 (LT4) engine, use SAE 0W-40

See every quote (4 values)

All versions

4 values
Applies toValueManual saysPage
2.0L L4 Turbo (LSY) 0W-20 “For the 2.0L L4 Turbo (LSY) engine, use SAE 0W-20” PDF page 306 ↗
3.0L V6 Twin Turbo (LGY) 5W-30 “SAE 5W-30 viscosity grade engine oil.” PDF page 306 ↗
3.0L V6 Twin Turbo (LGY), extreme cold below −29 °C (−20 °F) 0W-30 “°C (−20 °F), an SAE 0W-30 oil may be used.” PDF page 306 ↗
6.2L V8 (LT4) 0W-40 “For the 6.2L V8 (LT4) engine, use SAE 0W-40” PDF page 307 ↗

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Get the right part

Matches your manual0W-20 full synthetic motor oil

For 2.0L L4 Turbo (LSY)

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Matches your manual5W-30 full synthetic motor oil

For 3.0L V6 Twin Turbo (LGY)

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Matches your manual0W-30 full synthetic motor oil

For 3.0L V6 Twin Turbo (LGY), extreme cold below −29 °C (−20 °F)

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Matches your manual0W-40 full synthetic motor oil

For 6.2L V8 (LT4)

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