Pennzoil Ultra Platinum Full Synthetic 5W-30 Motor Oil (1 Quart, Case of 6) $29.98

[FlyPenFly]

Pretty good deal I think

https://www.amazon.com/Pennzoil-550040856-6PK-Ultra-Platinum-Synthetic/dp/B00JMCCGDQ

I've thought about using the 0w40 version for my Porsches but doesn't have A40.

 

[fantastic]

Not a good deal w/out rebate since Amazon not an approved rebate vendor.