During a recent interview at the GC, Andreas Avalanche Gschwari stated that Mad Max will support a large number of combinations for customization of vehicles and that depending on how they'll change the gameplay will undergo significant changes. " There will be millions of combinations for customizing vehicles. These will include the car physics, speed, weight and more. Each choice should be thought out and all should be well balanced to avoid disadvantages during battles. 

The update you will acquire through the recovery of scrap and many of these can be received through the principal missions or capturing enemy convoys "

Among other things, the cars will shoot of Staples, like that found in Just Cause, in order to break down the sniper towers and gates.