I have no idea how the game has so little rims to buy for the car considering that a big amount of cars with unique and nice-looking rim models. The best part about my suggestion is that the rims would take no effort to add since they’re in the game already:
Porsche 917:
Koenigsegg Regera:
Lotus Evija:
Porsche 918:
Porsche Taycan:
BMW i8:
Citroen Survolt (or Honda Odyssey :D ):
Porsche 911E (the Fuchs rims also available on '71 Camaro for some reason):