There are things that are just the opposite of the real world in this game.
Here are two examples:
https://www.gtplanet.net/forum/threads/modern-cars-are-boring-on-factory-settings.352620/#post-11794718
Off throttle in Schwedenkreuz(this corner is famous with lift off oversteer) going over curb/grass and the car remains completely stable,this is more than inaccurate I would call it arcade.
https://youtu.be/cZVZU5jgWSU?t=70
That's what's going on in the real world when you going over curb/grass in Schwedenkreuz:
https://youtu.be/Buh0-EuvTEY?t=110
The same situation cockpit view.
https://youtu.be/VQi01uRgJp4?t=140