A boss car is a car you need to defeat in order to unlock them, either by racing or wasting. The strongest three are DR Monstaa, EL KING, and MASHEEN (collectively known as the Big 3.)

Supercharged cars include cars with Power Engines, plus some type of exposed engine, such as a hood scoop, a supercharger, or an exposed engine underneath the car. The three game cars that are Supercharged are High Rider, Dr Monstaa, and MAX Revenge