The film starts off with a full-on, aggressive, nude sex scene. Rather pointless, if it was to highlight the wonders of sex after smoking pot, or it was to show how hooked the female was to drugs. Either way, the truck has the last laugh (literally).
More of the same as parts I & II, with plenty of excessive gory deaths. My gripe - the blonde stunner should have survived. Plenty of eye-rolling moments and some typical insipid acting, except for Kirzinger who pulls off a semi-decent Rusty Nail.
Watch if you have nothing else to see, or if you are a huge fan of trucks, racing cars and gorific deaths. Others can skip it.
* * ½