2020 GMC Sierra 1500 Oil type
Depends on your engine. Choose yours, or compare them here.
- 5.3L and 6.2L V8 engines 0W-20
- 2.7L L4, 4.3L V6 and 6.6L V8 engines 5W-30
0W-20
5.3L and 6.2L V8 engines
5W-30
2.7L L4, 4.3L V6 and 6.6L V8 engines
2020 GMC Sierra 1500 Owner's Manual, PDF page 342
Use SAE 0W-20 viscosity grade engine oil for the 5.3L and 6.2L V8 engines.Open 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 342
Use SAE 0W-20 viscosity grade engine oil for the 5.3L and 6.2L V8 engines.
Oil type · 2.7L L4, 4.3L V6 and 6.6L V8 engines · PDF page 342
Use SAE 5W-30 viscosity grade engine oil for the 2.7L L4, 4.3L V6 and 6.6L V8 engines.
2020 GMC Sierra 1500 Owner's Manual, PDF page 342
Use SAE 0W-20 viscosity grade engine oil for the 5.3L and 6.2L V8 engines.Open 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 342
Use SAE 0W-20 viscosity grade engine oil for the 5.3L and 6.2L V8 engines.
2020 GMC Sierra 1500 Owner's Manual, PDF page 342
Use SAE 5W-30 viscosity grade engine oil for the 2.7L L4, 4.3L V6 and 6.6L V8 engines.Open the manual at this page ↗Added Oct 15, 2026
See where it's printed
Oil type · 2.7L L4, 4.3L V6 and 6.6L V8 engines · PDF page 342
Use SAE 5W-30 viscosity grade engine oil for the 2.7L L4, 4.3L V6 and 6.6L V8 engines.
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 engine oil for the 5.3L and 6.2L V8 engines.” | PDF page 342 ↗ |
| 2.7L L4, 4.3L V6 and 6.6L V8 engines | 5W-30 | “Use SAE 5W-30 viscosity grade engine oil for the 2.7L L4, 4.3L V6 and 6.6L V8 engines.” | PDF page 342 ↗ |
Scroll the table to see the quote and page →
For 5.3L and 6.2L V8 engines
For 2.7L L4, 4.3L V6 and 6.6L V8 engines
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