In hardcore mode 180mph is really really not a wise thing to do. Somehow I didn't die a lot during these 6 minutes though.. :)
(Hardcore mode, no driving aids, manual clutch, linear steering ~720 degrees of wheel lock)
Test Drive Unlimited Koenigsegg CCR Stage 3 Tuned.
Made this movie just for fun, and no i did not cheat this can be done with carpack and for 474km/h you need to slipstream behind another koenigsegg on the highway which you can go even faster.