2018 Cadillac CTS and CTS-V Oil type

Depends on your engine. Choose yours, or compare them here.

  • 2.0L L4 Turbo (LTG), 3.6L V6 (LGX), 3.6L V6 Twin Turbo (LF3) SAE 5W-30
  • 6.2L Supercharged (LT4) Engine 0W-40 or 5W-40

2018 Cadillac CTS and CTS-V Owner's Manual, PDF pages 266 and 182

Use SAE 5W-30 viscosity grade engine oil.Open the manual at this page ↗Added Oct 16, 2026
See where it's printed

Oil type · 2.0L L4 Turbo (LTG), 3.6L V6 (LGX), 3.6L V6 Twin Turbo (LF3) · PDF page 266

Use SAE 5W-30 viscosity grade engine oil.

Oil type · 6.2L Supercharged (LT4) Engine · PDF page 182

Change the engine oil to 0W-40 or 5W-40 that meets the dexos2

See every quote (2 values)

All versions

2 values
Applies toValueManual saysPage
2.0L L4 Turbo (LTG), 3.6L V6 (LGX), 3.6L V6 Twin Turbo (LF3) SAE 5W-30 “Use SAE 5W-30 viscosity grade engine oil.” PDF page 266 ↗
6.2L Supercharged (LT4) Engine 0W-40 or 5W-40 “Change the engine oil to 0W-40 or 5W-40 that meets the dexos2” PDF page 182 ↗

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