2015 GMC Sierra Denali Oil type
Depends on your engine. Choose yours, or compare them here.
- 5.3L and 6.2L V8 engines 0W-20
- 6.0L V8 engine 5W-30
0W-20
5.3L and 6.2L V8 engines
5W-30
6.0L V8 engine
2015 GMC Sierra Denali Owner's Manual, PDF page 281
Use SAE 0W-20 viscosity grade forOpen the manual at this page ↗Added Oct 15, 2026
See where it's printed
Oil type · 5.3L and 6.2L V8 engines · PDF page 281
Use SAE 0W-20 viscosity grade for
Oil type · 6.0L V8 engine · PDF page 281
Use SAE 5W-30 viscosity grade for the 6.0L V8 engine.
2015 GMC Sierra Denali Owner's Manual, PDF page 281
Use SAE 0W-20 viscosity grade forOpen the manual at this page ↗Added Oct 15, 2026
See where it's printed
Oil type · 5.3L and 6.2L V8 engines · PDF page 281
Use SAE 0W-20 viscosity grade for
2015 GMC Sierra Denali Owner's Manual, PDF page 281
Use SAE 5W-30 viscosity grade for the 6.0L V8 engine.Open the manual at this page ↗Added Oct 15, 2026
See where it's printed
Oil type · 6.0L V8 engine · PDF page 281
Use SAE 5W-30 viscosity grade for the 6.0L V8 engine.
See every quote (2 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 5.3L and 6.2L V8 engines | 0W-20 | “Use SAE 0W-20 viscosity grade for” | PDF page 281 ↗ |
| 6.0L V8 engine | 5W-30 | “Use SAE 5W-30 viscosity grade for the 6.0L V8 engine.” | PDF page 281 ↗ |
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For 5.3L and 6.2L V8 engines
For 6.0L V8 engine
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