Vehicle Questions and Answers
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The 2015 GMC Sierra requires SAE 5w-30 fully synthetic oil for its 6-cylinder engine, while it needs 0w-20 synthetic fluid for the V8 engine. The oil capacity is 5.5 quarts for the 6-cylinder and 6 quarts for the V8. You can purchase these oils at most retail stores, automotive parts shops, or online from reputable sellers. Prices typically range from $4 to $17 per bottle. If you opt to have the oil change done by a professional, expect to pay between $40 and $172 for labor on top of the cost of the oil.
For the 6-cylinder engine in the 2015 GMC Sierra 1500, it is suggested to use 5W-30 viscosity oil that meets dexos1 standards. If you have the 8-cylinder engine in your 2015 GMC Sierra 1500 model, it is recommended to opt for 0W-20 viscosity oil that meets dexos1 specifications.