Tag: 5W-20 engine oil vs 0W-20

Understanding the Basics of 520 vs 0W20 Oil You may have seen the numbers on oil bottles. 520 vs 0W20 is a common comparison. Many drivers get confused. The first number matters. It tells you the oil’s behavior in cold weather. The “W” stands for winter. So 0W20 flows better at very low temperatures. 5W20…