This video was shot in Namibia, a country in Southwestern Africa. The car is traveling at 140km/h (88 mph) and is passed by a tractor trailer. I'm guessing the truck is doing at least 95 mph!
http://www.youtube.com/watch?v=W3xjzwdQpN8
Here's a video from the Netherlands of a tricked out Volvo FH16 with big stacks and 610hp on tap.
http://www.youtube.com/watch?v=Hsv3N1v5ehM