Ester oil
I saw some serious petroleum engineering reports on ester oil a year or so back. So technical it was hard to understand. Basically, 7 to 8% more lubricity with the ester than without. Exactly the same oil with and with out the ester. Nissan oil has it, and Mobil 1. I don't know about any others.
I'm sticking with it , the Mobil 1, and going the full 5000 miles. The quality of the filter is important also. Mobil 1 filter, Pure 1, Bosch. I'll never use a fram again. Check out "bob is the oil guy". It is almost impossible to find any hard independent test on motor oil. Seems strange but it is just not there.
Enjoy you new car. And don't sweat the small stuff.
Chuck
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