What is the difference between 5W30 and 0W20 for the 2019 Buick Excelle?

1 Answers
MacJoseph
07/29/25 8:45pm
Here are the relevant introductions for 5W30 and 0W20 in the Buick Excelle: 1. Different high and low-temperature performance: Compared to 5W30, 0W20 has different high and low-temperature performance. 0W20 offers better low-temperature fluidity, making it suitable for lower environmental temperatures. On the other hand, 5W30 provides better high-temperature protection with higher viscosity, which increases fuel consumption slightly. However, for the Buick Excelle model, 5W30 better meets the engine requirements. 2. Oil grade: The recommended oil grade is 5W-30. This grade generally meets the requirements for both winter and summer use in China. For hotter regions, 5W-40 can be used. Summer oil grades are categorized as 20, 30, 40, 50, and 60, where higher numbers indicate greater viscosity and suitability for higher maximum temperatures.
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