Engine oil Mobil or OEM Subaru
When I switched from Kirkland I noticed no condensation under the oil cap vs having a milky consistency under the cap. I think the hybrid oil deals with moisture better in these hybrid engines.
I used Mobil1 for a decade and around 50k with no issues.
I’m at 80k miles and only used mobil 1 ESP x2 0w-20, don’t wanna mess around with any other viscosity, I’m not smarter than VW engineers ????♂️
Mobil 1 is my go-to... mostly because the level gauge on the side of the container is easier to read than any other brand. I've been using it in my 2018 since new and have never had an issue. Odometer is currently at 260,000.
I have a 2020 Corolla se with the 2.0l and I use 0w-16 from Mobil 1 which makes Toyotas oil for them.
Oil being dark is a good indicator that you have to do an oil change. However, you shouldn't wait until it changes color to do it. Clear oil doesn't necessarily mean you can keep going.
It is well established that boxer engines want their oil changed and I do not think for a second that a visual inspection is valid for determining if it is time. Highly, **highly** recommend you change the oil per the manual without hesitation and regardless of what it looks like.
Mobil 1 15w-50, Viton o-ring from any automotive or industrial supply house, Wix or NAPA(mfd by Wix) filter.
I work in the automotive industry; and by far, Liqui Molly, Motul, and Total exceed Mobil 1. Mobil 1 has the recognition and they worked hard at marketing for many years. Independent German studies conclude that they are 3rd place at best when it comes to \"good quality\" oils.
DO NOT use Mobil1 0W40 in the 2.5. I tried it and well before the oil change time, the engine sounded like a diesel with all sorts of valve train rattle.
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