I really liked Valvoline, good quality, reasonble price.
Valvoline Restore & Protect or Pennzoil Ultra Platinum are also great oils to run and clear up and baked on sludge.
SP certified oils have better LSPI protection than SN, and SP is what Subaru requires for this generation.
Buy Valvoline oil, and maybe it's a good time to switch to 5w-30 in it.
I use PUP 0w20 in mine. Lots of tests and UOA show that Pennzoil Ultra Platinum is the best non-boutique oil you can buy. But honestly any top shelf oil will work. 5k km intervals are more important than brand with a turbo engine.
Do her a favor a change the oil, with Valvoline Restore and Protect or Pennzoil Ultra platinum, it will quite down a little and it would be great for the car.
I only run Valvoline VR-1 40-wt in my air-cooled VWs
I tell you the stuff really works. My 2009 Matrix used to burn oil before I switched to Valvoline Restore and Protect.
My last [Blackstone-labs.com](http://Blackstone-labs.com) report came back with 1.8% fuel dilution. 2021 1.5T at 23kmiles, 6800 miles on the oil (0w20 Valvoline R&P).
I use that Valvoline, sometimes throw in random fully synthetic oils I get in bulk from an auction. I feel like it contributed to a rear main seal leak. Thinking of switching to a 5w40
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If choosing engine oil across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.
We compare engine oil across these categories:
In March 2026 on PartReview, engine oil VALVOLINE were overall better than PENNZOIL.
In March 2026 on PartReview, engine oil VALVOLINE were overall more popular than PENNZOIL.
By vote balance, engine oil VALVOLINE surpassed PENNZOIL:
By number of reviews, engine oil VALVOLINE surpassed PENNZOIL:
In March 2026, according to PartReview, engine oil VALVOLINE led more car-specific ratings than PENNZOIL:
VALVOLINE are chosen by owners of cars such as: Ford Fusion, Hyundai Elantra, Kia Soul, Toyota Prius, Toyota Yaris, and others.
Engine oil PENNZOIL have not yet taken leading positions in car-specific ratings. You can help by adding a review and specifying your car.
If this comparison didn’t fully answer your question, there are many others on PartReview.
For example, comparisons of engine oil VALVOLINE with: Mobil, Castrol, LIQUI MOLY, MOTUL, Shell, AMSOIL, RED LINE, OEM Toyota, Mannol, RAVENOL.
Also available: comparisons of engine oil PENNZOIL with: Mobil, Castrol, LIQUI MOLY, MOTUL, Shell, AMSOIL, RED LINE, OEM Toyota, Mannol, RAVENOL.
You can also see who is better among other engine oil manufacturers: Mobil or Castrol, Mobil or LIQUI MOLY, Mobil or MOTUL, Mobil or Shell, LIQUI MOLY or Castrol.
