Die Cast and Remote Control Vehicles
While they are not exactly models, there are some Mad Max die cast vehicles out there. Here are the two that I know of, as well as post apocalyptic vehicles and fan customs.
Wozza's Biante Interceptors
Auto Art
Auto Art - Custom Mad Max 1 Version
Auto Art - Custom Weathering
Road Warrior Two Car Set
DDA Collectables
Dinkum Classics
Kyosho Interceptors
Steel Monsters
Die Cast Customs
Radio Control Interceptors
Slot Car Interceptors
Interceptor Paperweight