Wife just bought a Ford Focus today... Interesting looking under the hood, noticed oil was - 5w20 Great... now another blend to put on the shelf.
What's with 5w20 vs say our normal 10w30 ?
- posted
11 years ago
oil - 5w20
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- posted
11 years ago
- Vote on answer
- posted
11 years ago
5W20 is thinner in cold weather and flows better when warm, has lower shear strength and increases the milage by a teeny bit.
Check your service manual and the temperature range requirements.
Some folks I know run 5W30 but it's warm here. If you are in a cold climate you better stick with 5W20 for winter at least.