2018 Buick LaCrosse Oil type
Depends on your engine. Choose yours, or compare them here.
- 2.5L L4 engine SAE 5W-20
- 3.6L V6 engine SAE 5W-30
SAE 5W-20
2.5L L4 engine
SAE 5W-30
3.6L V6 engine
2018 Buick LaCrosse Owner's Manual, PDF page 237
Use SAE 5W-20 viscosity gradeOpen the manual at this page ↗Added Oct 16, 2026
See where it's printed
Oil type · 2.5L L4 engine · PDF page 237
Use SAE 5W-20 viscosity grade
Oil type · 3.6L V6 engine · PDF page 237
Use SAE 5W-30 viscosity grade
2018 Buick LaCrosse Owner's Manual, PDF page 237
Use SAE 5W-20 viscosity gradeOpen the manual at this page ↗Added Oct 16, 2026
See where it's printed
Oil type · 2.5L L4 engine · PDF page 237
Use SAE 5W-20 viscosity grade
2018 Buick LaCrosse Owner's Manual, PDF page 237
Use SAE 5W-30 viscosity gradeOpen the manual at this page ↗Added Oct 16, 2026
See where it's printed
Oil type · 3.6L V6 engine · PDF page 237
Use SAE 5W-30 viscosity grade
See every quote (2 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 2.5L L4 engine | SAE 5W-20 | “Use SAE 5W-20 viscosity grade” | PDF page 237 ↗ |
| 3.6L V6 engine | SAE 5W-30 | “Use SAE 5W-30 viscosity grade” | PDF page 237 ↗ |
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