When looking at the label on the oil it is NOT easy to determine if you are really getting true synthetic or not.
Absolutely dead on.
"Synthetic" is
purely a marketing term. You have to do in-depth investigations into each "synthetic" labeled oil you fancy, and make sure that oil's make-up is what you expect from an oil that costs 2x or 3x the
conventional oil cost.
The oil I use in all our vehicles is base polyalphaolefin (PAO). After doing lots of research, I would drop my current motor oil in a New York second and never look back if I could easily get my hands on (locally) ENEOS 5w30, ILSAC GF-5, kinetic viscosity: (100°C) mm2/s 10.35, with a VI of 177+ (manufactured by: JX Nippon Oil & Energy Global). Our local NAPA doesn't have it. Still "watching..."