I would imagine it's gf5, remember this oil was put in the car a while ago, in this case June of 2020. So, the oil that was sampled had been in the car 18 months. Was GF6 oil commonly available back then?
Not really. At a sample date of 12/15/2021, and a mileage of 9600/44500 with a nearly 9 year old vehicle, this fill was likely installed pre-lockdowns. GF6 didn't go live until 5/1/2020.
