This Virtual Reality Race Car Simulator provider has their own purpose built PC’s using 1070ti or RTX2060 graphics cards. They run Project Cars 2 with the Pro version soon to be released on their platform.
With regards to the sim being on a motion platform, they have both with and without.
They use Oculus Rift S and Samsung Odyssey on their racing platforms. They have Logitech G920 wheels and pedals, with gear shift, plus GT Omega racing seats.