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    2020 Subaru STi 21k miles. Need help selecting 5w-30 oil (extended SoA 8 year 80k warranty)

    Their wording is legal gobbledygook, "have your cake and eat it to". I'm really doing my best not to read much into this but it does state "but it should be changed to 5W-30 synthetic oil at the next oil change".
  2. G

    2020 Subaru STi 21k miles. Need help selecting 5w-30 oil (extended SoA 8 year 80k warranty)

    Any specific recommendations? I'm an open book.
  3. G

    2020 Subaru STi 21k miles. Need help selecting 5w-30 oil (extended SoA 8 year 80k warranty)

    Thanks. Of the mentioned oils (or others that you may recommend) which would do the best in hot temperatures during summer months with some spirited driving involved? I guess I should have implied in my original question, which will do best and resist shearing the most?
  4. G

    2020 Subaru STi 21k miles. Need help selecting 5w-30 oil (extended SoA 8 year 80k warranty)

    Thank you for your replies. The manual is here: (cites 2021, but is same as 2020) https://techinfo.subaru.com/stis/doc/ownerManual/MSA5B2105A_STIS.pdf page 46: ENGINE OIL Use 5W-30 synthetic, with one of the following specifications: • API classification SN or SN PLUS with the words...
  5. G

    2020 Subaru STi 21k miles. Need help selecting 5w-30 oil (extended SoA 8 year 80k warranty)

    I have been researching this topic for a couple weeks. Combing through threads here -- I very much appreciate the data, but I can't find a situation that necessarily fits. I have an extended 8 year 80k mile warranty on this car that is "new to me" which I purchased with about 21k miles on it...
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