Can't decide between Amsoil and Redline

Whatever is cheaper?

Mobil 1 ESP 0w-30.
OP probably spent $5-10k in depreciation to drive it off the lot. Even for a car that has depreciated significantly already, one should calculate the difference between a Walmart OTS oil change and a boutique oil change and calculate that as a fraction of their cost of ownership (gas, insurance, maintenance). Even for my old truck, it was less than 1% total cost for me, not even including any depreciation. I get that $30 is still $30, but that's half a tank of gas for me.
 
Redline Pros: My K24 is quieter/smoother on Redline HP 5w30 then just any other oils..

AMSoil Pros: My L15 was sparking clean at 180k km of AMSoil SS use.

Cons? Can't think of any for both brands.. really..
I went Amsoil because frankly I have no confidence in Redline handling 7,500 miles. Maybe it can but I am not sure. Redline is more performance focused.
I wondery why Redline makes your K24 run quieter.
 
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