Using the incorrect viscosity or formulation can lead to decreased fuel efficiency, sluggish performance, and even catastrophic engine failure over time. The number after the "W" represents the oil's thickness at the engine's normal operating temperature.
How to Read Oil Viscosity Grade on Your Dipstick
The manufacturer specifies the exact viscosity grade (such as 0W-20 or 5W-30) and the API service rating (such as SN or SP) that the engine was designed to run. It provides exceptional resistance to heat, maintains its viscosity longer, and keeps the engine cleaner by reducing sludge buildup.
It provides better protection against oxidation and thermal breakdown than conventional oil, making it a solid choice for drivers who tow trailers or drive in moderately harsh conditions without the premium price tag of full synthetic. However, it tends to break down faster at high temperatures and requires more frequent changes, generally every 3,000 to 5,000 miles.
How to Check Oil Viscosity Grade on Your Dipstick
Decoding the Viscosity Grade on Your Dipstick The first step in answering " what type of oil does my car use " involves looking at the numbers on the oil container. You will typically see a code like 5W-30 or 10W-40, where the "W" stands for Winter.
More About What type of oil does my car use
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More perspective on What type of oil does my car use can make the topic easier to follow by connecting earlier points with a few simple takeaways.
