 The monster truck used in this film was designed and built for  $2500. The "sheet metal" covering the outside of the truck was  actually wood spray painted to look like very old and rusted sheet  metal. The truck only had a maximum speed of roughly 30mph (48kph)  so footage of the truck chasing after the car was sped up to make it  appear as though it was capable of very high speeds. The truck could  only be used for 20 