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What is the oil capacity for a 2018 GMC Yukon?
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The 2018 GMC Yukon offers a choice of four different engines, including two 5.3L 8-cylinder engines and two 6.2L 8-cylinder engines. The specific engine code doesn't matter for our purposes. Regardless of engine size, each version requires 8 quarts of SAE 0W-20 synthetic motor oil. In a pinch, you can use 5W-20 or 5W-30 as substitutes, but it's not advisable for long-term use. Using motor oils with higher viscosities can increase engine workload due to added friction, leading to premature wear and potential engine issues. It's best to stick with the lower recommended viscosities for optimal engine performance and longevity.
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The 2018 Yukon from GMC offers a 5.3-liter engine in its SLE, SLT, and SLT Standard versions. To keep this engine running smoothly, it's suggested to use 8 quarts of 0w-20 viscosity oil. The 6.2-liter engine in the Denali trim also requires the same quantity and type of oil. Despite its larger size, the Denali still takes 8 quarts of 0w-20 oil.
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