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.
Buy Valvoline oil, and maybe it's a good time to switch to 5w-30 in it.
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.
i honestly have no way to prove if it works, but i started using it in my ‘98 corolla about 20k mi ago (known for burning oil due to flawed piston design) and have noticed a significantly lower oil consumption rate, which was almost 2qts every 5k down to less than half
I normally dont buy into stuff but my vette was burning oil, Id see a big cloud of blue smoke after I let off after every pull, few thousand miles of this stuff and I stopped seeing it.
That stuff ROCKS! Cured my stuck piston rings issue on my 201O Acura J37 engine.
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 Motorex.
In March 2026 on PartReview, engine oil VALVOLINE were overall more popular than Motorex.
By vote balance, engine oil VALVOLINE surpassed Motorex:
By number of reviews, engine oil VALVOLINE surpassed Motorex:
In March 2026, according to PartReview, engine oil VALVOLINE led more car-specific ratings than Motorex:
VALVOLINE are chosen by owners of cars such as: Ford Fusion, Hyundai Elantra, Kia Soul, Toyota Prius, Toyota Yaris, and others.
Engine oil Motorex 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, PENNZOIL, RED LINE, OEM Toyota, Mannol.
Also available: comparisons of engine oil Motorex with: Mobil, Castrol, LIQUI MOLY, MOTUL, Shell, AMSOIL, PENNZOIL, RED LINE, OEM Toyota, Mannol.
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.
