Modification replaces almost all vehicles in GTA IV.
It is recommended that you install to a clean game. Completely replaced with settings files Auto: vehicles, carcols, handling and vehoff.
If you have already set the fashions on the vehicles, they will disappear, because it is completely replaced by the transport archive-gaming vehicles.img.
Modification has been tested in patches: 220.127.116.11 and 18.104.22.168.