alt Hacker Newsa fully disconnected car that does not report back to its mother ship. does. not. exist. only other option is to buy a car old enough that does not have it. also if you didn't bring this up most north americans would be blissfully unaware, as long as the car has a good cup holder.
'course it does .. any custom build shop will leave such things out on request, a great many don't even add in remote networking to begin with.
eg: https://www.okaaustralia.com/