I use 5w-40 Motul x clean gen 2 on my built wrx. Running 5w-40 is best for added protection from ethanol dilution overtime and for warmer climates as oil gets pretty hot.
Owner reviews for engine oil
Rotella T6 5w-40 is what I’ve ran in the car ever since it was tuned and I get great feedback from blackstone labs when sending in my oil for analysis.
motul 5w40 8100 is great
So far the car is quieter by a lot and runs cooler it seems like a superior oil to me.
Original owner ran Pennzoil ultra platinum and that I got 289,000 miles on that engine and turbo before I had a shop rebuilt it.
Have since switched to motul 5w-40. The extra protection.
Been running PU since with no problems.
I run liqui-molly 5w-40 molygen new generation. I change oil every 3k and I’m not necessarily easy on my car and the oil has come out great every time
It depends on what ur using the car for. I’ve used super tech, Mobil 1, and pennzoil and haven’t found a single difference in feeling, temperatures, or oil consumption.
Mannol is cheap for a reason as you never know what you will get in a bottle.
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