From my experience with a Toyota echo; does not matter the brand, only the type. My echo was a 10w40 semi synthetic. once she started consuming a little more oil, I was then just filling her up with any 10w40 semi synthetic I could afford. There was no difference of her running on Castrol vrs the mixed bag of what it ended up with, as I always put Castrol as my oil of choice for a complete change.
Have used a few brands, I think it’s running Castrol 5w40 right now.
Castrol 5w40 Euro spec, my car runs better on that than 5w30
I use just regular old Castrol Edge full synthetic 0W-40 in my 2012 Jetta year round, currently has 156k miles on it (251km).
I used both wrong spec oil and wrong weight oil on my 06 Rabbit 2.5 for about four years. I was an idiot. However, nothing ever happened. I'm at 223,000 miles and the cams look brand new, engine runs smoothly.
Castrol works fine.
Dont use the cheap stuff. Liqui moly or Castrol!
This is what I use… with a Fram synthetic oil filter.
I have been using 5w-20 for more than 3 years on my Accord 2004 (330K) and 2003 (230K). I have no issues with both and the engines runs the same as before using other oils like Castrol Magnatec.
Currently using Castrol Edge 5w-40 fully synthetic, previously was using Estremo Heatpro 5w-40 FS, differences is so minimal to the point where you just neglect and forget about it....
Smoothness the same, silky smooth.
Car feels slightly like just slightly lighter on pickup with Castrol.
I hated the castrol, I could tell the engine was louder with it compared to Pennzoil.
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