I use M1 5-30 because I've ran it in well over a dozen cars and beat on all of them without issue, and it's only $28 for a gallon jug at walmart. I also run liqui moly ceratec to silence the typewriter tick it developed around 35k.
I recall mobil1 going red being normal.
Mobil 1 ESPx2 is the right choice here. The regular 0W-20 does not carry the VW 508 00 approval, whereas the ESP one does. It’s a great oil to use!
Just get Mobil 1 0w-40 better then all of these
Mobil 1 fully synthetic, multi-grade oils only.
Changed ours at 3k and will change again at 6k. After that it’s every 5k. Use Subaru oil and filters.
Mobil 1 15w-50
M1 fs 0w40 has been working well for me. But this oil does lose some of its viscosity after a couple track days.
Im using Mobil 1 ESP 0w-30 which is a thicker Euro oil here in Upper Midwest USA. I don't notice any difference is sound, acceleration, not efficiency vs 0w-16 and 9w-20 in a 2024 Rav4 Prime XSE.
I learned mobil 1 is the absolute worst oil to use in Subaru engines, especially ej257. Simply because it is good oil but because of the poor oil cooling the detergents burn in the engines causing premature wear.
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