
5W-20 Vs. 5W-30: Does It Matter Which One You Use?
Choosing the right engine oil helps maintain your vehicle’s performance, longevity, and efficiency. The most commonly recommended options are 5W-20 and 5W-30. While the “5W” in both oils indicates they flow similarly in low temperatures, the 20 and 30 ratings refer to their thickness at operating temperature. Let’s break down their differences, benefits, and best …