What is the oil type of the 2023 Cadillac CT5?

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. Source: 2023 Cadillac CT5 Owner's Manual.

2023 Cadillac CT5 Oil type

2021 Cadillac CT5, representative photo — Shown: a 2021 Cadillac CT5 (same generation). Photo: Elise240SX, CC BY-SA 4.0

Change year

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

2023 Cadillac CT5 Owner's Manual, PDF pages 300 and 301

use SAE 0W-20 viscosity gradeOpen the manual at this page ↗Added Oct 16, 2026

See where it's printed

Oil type · 2.0L L4 Turbo (LSY) · PDF page 300
use SAE 0W-20 viscosity grade

Oil type · 3.0L V6 Twin Turbo (LGY) · PDF page 300
engine, use SAE 5W-30 viscosity grade

Oil type · 3.0L V6 Twin Turbo (LGY), extreme cold below −29 °C (−20 °F) · PDF page 300
an SAE 0W-30 oil may

Oil type · 6.2L V8 (LT4) · PDF page 301
0W-40 viscosity grade engine oil

See every quote (4 values)

All versions

4 values

Applies to	Value	Manual says	Page
2.0L L4 Turbo (LSY)	0W-20	“use SAE 0W-20 viscosity grade”	PDF page 300 ↗
3.0L V6 Twin Turbo (LGY)	5W-30	“engine, use SAE 5W-30 viscosity grade”	PDF page 300 ↗
3.0L V6 Twin Turbo (LGY), extreme cold below −29 °C (−20 °F)	0W-30	“an SAE 0W-30 oil may”	PDF page 300 ↗
6.2L V8 (LT4)	0W-40	“0W-40 viscosity grade engine oil”	PDF page 301 ↗