Originally Posted by Guitarrassdeamor
Likely it is for that reason or duping/problem with animations. That said, the server I normally play on has zombies attack the cars/attack you in cars...which is more realistic anyways.
Assuming they break through the windows which of course then would need to be repaired but that's the kind detailed I'd expect in the Stand Alone.
Also I'm still not sure what server you guys are on or how to find it.