Scotty, for a new Kia the manual states that ACEA A5 oil is preferred but API SN is OK? These A5…

Scotty, for a new Kia the manual states that ACEA A5 oil is preferred but API SN is OK? These A5 oils are expensive and hard to find. What is the deal? Is it that much of a difference? Thanks

Yes, that's OK. They are just trying to get you to buy the expensive stuff. Manufacturers often have deals with oil companies, I've seen some say use castrol right on the oil cap

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