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What kind of oil should be used for the Buick Regal 1.6t?

1 Answers

DiJulianna

07/30/25 7:48am

The Buick Regal 1.6t uses 5W-30 full synthetic oil. Below are the classifications of engine oil and the correct usage methods: Classifications of engine oil: Engine oil is divided into conventional mineral oil, semi-synthetic oil, and full synthetic oil. Mineral oil is a commonly used lubricant on the market. Semi-synthetic oil is made from semi-synthetic base oil, which is a product purified from mineral oil through hydro-cracking technology. Full synthetic oil is the highest-grade oil among engine oils. Correct usage methods of engine oil: It is essential to use engine oil of the appropriate quality grade, as this is key to ensuring the normal operation of the engine. If the oil supply is delayed or no suitable oil is available, substitute oil can be used. However, during use, it is necessary to closely monitor the oil quality and check whether the oil filter is clogged. Any issues should be addressed promptly. Choose oil with the appropriate viscosity according to the local temperature. When changing the oil, ensure that the used oil is completely drained.

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