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The 2010 GMC Sierra requires SAE 5W-30 oil, which is General Motors' preferred viscosity type. It is crucial to know this information as using the wrong oil viscosity can potentially damage your engine. The purpose of the oil is to reduce friction between the moving parts in the engine, and using the incorrect type could result in premature wear or even engine failure. While using synthetic oil is not obligatory, it is recommended as it can help prolong the engine's lifespan. It is essential to always verify the products you use in your vehicle, particularly important items like motor oil. Investing a bit more money upfront can save you significant expenses in the long run.
GMC suggests using SAE 5W-30 motor oil for the 2010 GMC Sierra. If the temperature drops below -20 degrees Fahrenheit, you have the option to switch to SAE 0W-30 oil or SAE 5W-30 synthetic oil to improve cold weather starting. Any other viscosity grade of oil is not advised.
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