2005 GMC TopKick Oil Type

2005 GMC TopKick oil type: 5W-30 (Gasoline engine). From the owner's manual, PDF page 247.

2005 GMC TopKick, representative photo
Shown: a 2005 GMC TopKick (same generation). Photo: Elise240SX, CC BY-SA 4.0
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  • Gasoline engine SAE 5W-30
  • Gasoline engine, extreme cold below −20°F (−29°C) SAE 0W-30

2005 GMC TopKick Owner's Manual, PDF page 247

As shown in the viscosity chart, SAE 5W-30 is bestOpen the manual at this page ↗Added Oct 21, 2026 · Updated
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Oil type · Gasoline engine · PDF page 247

As shown in the viscosity chart, SAE 5W-30 is best

Oil type · Gasoline engine, extreme cold below −20°F (−29°C) · PDF page 247

synthetic oil or an SAE 0W-30 oil

Oil capacity (with filter) 14.6 quarts / 10.0 quarts Which one is yours →

2005 GMC TopKick, representative photo
Shown: a 2005 GMC TopKick (same generation). Photo: Elise240SX, CC BY-SA 4.0
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2 values
Applies toValueManual saysPage
Gasoline engine SAE 5W-30 “As shown in the viscosity chart, SAE 5W-30 is best” PDF page 247 ↗
Gasoline engine, extreme cold below −20°F (−29°C) SAE 0W-30 “synthetic oil or an SAE 0W-30 oil” PDF page 247 ↗

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