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What is the Difference Between 5W30 and 10W30 Motor Oil?

1 Answers

McRichard

07/29/25 6:41pm

The differences between 5W-30 and 10W-30 motor oils are: different low-temperature fluidity, different lubrication effects, and different temperature ranges. Below are the detailed explanations: 1. Different Low-Temperature Fluidity: 5W-30 motor oil: 5W-30 oil has better low-temperature fluidity than 10W-30 oil, providing superior engine protection during cold starts. 10W-30 motor oil: 10W-30 oil has poorer low-temperature fluidity than 5W-30 oil, offering weaker engine protection during cold starts. 2. Different Lubrication Effects: 5W-30 motor oil: 5W-30 oil has a higher kinematic viscosity than 10W-30 oil, resulting in better lubrication performance. 10W-30 motor oil: 10W-30 oil has a lower kinematic viscosity than 5W-30 oil, leading to inferior lubrication performance. 3. Different Temperature Ranges: 5W-30 motor oil: 5W-30 oil can be used in lower environmental temperatures than 10W-30 oil, making it suitable for a wider range of temperatures. 10W-30 motor oil: 10W-30 oil requires higher environmental temperatures than 5W-30 oil, limiting its suitable temperature range.

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