Glossary / General

5W30

6 Episode Mentions
Too Afraid to Ask

5W30 is another type of engine oil that works well in older cars or ones that have been driven a lot, keeping the engine protected.

Technical Definition

5W30 is a motor oil viscosity grade with slightly higher cold‑temperature flow (the '5W') and the same operating temperature thickness ('30'). It’s often recommended for older engines or those with higher mileage.

The Car Curious Weekly

Podcast highlights and car talk, delivered every week.

Help Improve This Entry

Spot an error or have a better explanation? Let us know.