2020 Lexus GS Oil Type
2020 Lexus GS oil type: ILSAC GF-5 (GS350) or 5W-30 (GS F). Oil capacity: 9.3 US qt with a filter change. From the owner's manual, PDF page 519.
Depends on your engine. Choose yours, or compare them here.
- GS350 ILSAC GF-5·SAE 0W-20
- GS F SAE 5W-30
ILSAC GF-5
SAE 0W-20
SAE 5W-30
GS F
2020 Lexus GS Owner's Manual, PDF pages 519, 520 and 521
Oil grade: ILSAC GF-5 multigrade engine oilOpen the manual at this page ↗Added Oct 24, 2026
See where it's printed
Oil type · GS350 · PDF page 519
Oil grade: ILSAC GF-5 multigrade engine oil
Oil type · GS350 · PDF page 520
Recommended viscosity: SAE 0W-20
Oil type · GS F · PDF page 521
Recommended viscosity: SAE 5W-30
2020 Lexus GS Owner's Manual, PDF pages 519 and 520
Oil grade: ILSAC GF-5 multigrade engine oilOpen the manual at this page ↗Added Oct 24, 2026
See where it's printed
Oil type · GS350 · PDF page 519
Oil grade: ILSAC GF-5 multigrade engine oil
Oil type · GS350 · PDF page 520
Recommended viscosity: SAE 0W-20
2020 Lexus GS Owner's Manual, PDF page 521
Recommended viscosity: SAE 5W-30Open the manual at this page ↗Added Oct 24, 2026
See where it's printed
Oil type · GS F · PDF page 521
Recommended viscosity: SAE 5W-30
Oil capacity (with filter) 9.3 qt Details →
See every quote (3 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| GS350 | ILSAC GF-5 | “Oil grade: ILSAC GF-5 multigrade engine oil” | PDF page 519 ↗ |
| GS350 | SAE 0W-20 | “Recommended viscosity: SAE 0W-20” | PDF page 520 ↗ |
| GS F | SAE 5W-30 | “Recommended viscosity: SAE 5W-30” | PDF page 521 ↗ |
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