Engine oil Mobil or OEM Subaru
I've been using Mobil 1 European blend 0w - 40 full synthetic. It's done me good for well over a year now.
I get my oil from Sams for about $60 for 4 gallons. I use the Mobile Delvac and haven’t had any issues.
Mobil 1 high mileage 5w30
But personally i like Mobil 1 brand
I went with Mobil 1 5w-30 ESP. I read around the Bob is the Oil guy and that is what I came up with what I would best for WRX that will be tuned with an intake (My opinion). I am sure there are other good options.
Other vehicles, I ruin normal Mobil 1 until about 80-100K miles and switch to high mileage. Put over 200K on a '04 Civic Si on all Mobil 1 and oil analysis came back great every time.
I used the mobil synth high mileage 5w-30 for years in a 2001 accord lx 4cyl with 200k thru 274k miles when i sold it. Changed it about every 4k
My Tiguan and Passat all function perfectly with Mobil1 5W40, and I have used this oil for 15 years.
I put Mobile1 0w-40 in mine, even though it's not vw certified
I was running it in a VR6 engine, and couldn't believe how much extra chain and lifter noise there was. I put up with it for a couple weeks, thinking it might get better but it didn't, so I switched to Castrol Edge 5w-40 and noticed the difference immediately. Noise means wear, so I feel comfortable staying away from M1 for my VR6 engines.
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