CAR SPEC SHEET

2018 GMC Sierra 1500 Oil type

2015 GMC Sierra 1500, representative photo
Shown: a 2015 GMC Sierra 1500 (same generation). Photo: SsmIntrigue, CC BY-SA 4.0
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Depends on your engine. Choose yours, or compare them here.

  • 5.3L and 6.2L V8 engines 0W-20
  • 4.3L V6 and 6.0L V8 engines 5W-30
  • 4.3L or 6.0L engine in extreme cold below -29 °C (-20 °F) 0W-30

2018 GMC Sierra 1500 Owner's Manual, PDF page 353

use SAE 0W-20 viscosity gradeOpen 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 353

use SAE 0W-20 viscosity grade

Oil type · 4.3L V6 and 6.0L V8 engines · PDF page 353

use SAE 5W-30

Oil type · 4.3L or 6.0L engine in extreme cold below -29 °C (-20 °F) · PDF page 353

an SAE 0W-30 oil may be

2015 GMC Sierra 1500, representative photo
Shown: a 2015 GMC Sierra 1500 (same generation). Photo: SsmIntrigue, CC BY-SA 4.0
See every quote (3 values)

All versions

3 values
Applies toValueManual saysPage
5.3L and 6.2L V8 engines 0W-20 “use SAE 0W-20 viscosity grade” PDF page 353 ↗
4.3L V6 and 6.0L V8 engines 5W-30 “use SAE 5W-30” PDF page 353 ↗
4.3L or 6.0L engine in extreme cold below -29 °C (-20 °F) 0W-30 “an SAE 0W-30 oil may be” PDF page 353 ↗

Scroll the table to see the quote and page →

0W-20 full synthetic motor oil

For 5.3L and 6.2L V8 engines

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5W-30 full synthetic motor oil

For 4.3L V6 and 6.0L V8 engines

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0W-30 full synthetic motor oil

For 4.3L or 6.0L engine in extreme cold below -29 °C (-20 °F)

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