Simple economics. The base oil for motor oil is a fairly small part of the expense for making a jug of oil. Additives, marketing, licensing and distribution make up a much larger percentage.
I did 2 oil changes last night and a transmission drain and fill.
Wife’s 2023 civic sport
Out: Supertech 6607 filter and Valvoline Restore and Protect 0w20
In: Mobil 1-108A and ESP 0w30
Transmission fluid changed with Aisin ATF-HCV
My 2017 Ford Fusion Hybrid
Out: Supertech 3614 and Pennzoil...
The quaker state will use whichever blend of group 3 is available for the best price while.the Pennzoil platinum and ultra platinum.exclusively use GTL base oil. The add pack for Quaker State Ultimate Protection is very similar to Pennzoil Platinum but does not.have the borate esters of the...
I find the Pennzoil Ultra Platinum keeps my engines fairly clean. I got a ford fusion hybrid last year and cleaned it up with Valvoline Restore and Protect but have been running PUP since then.
198,500 miles. I change oil ideally every 5k miles. This one was a bit closer to 6k. I think 5800 miles because of the work travel.
Runs smooth and doesn’t burn a drop of oil. Does need motor mounts though
I would go for 3k miles given the lack of oil change history for parts of the cars history. After the first change I would say you can safely run 5k or annual intervals.