around 145 in a SC400 but average around 75-85 daily (IN A Van ).. Hell when I'm driving back and forth from San Antonio I don't go less than 90 but average 95.
in between 140-145mph in a 1989 toyota mr2 about 5 years ago going to mardi gras in galveston....my buddy and i were trying to keep up with some bikes but it started feeling like we were flying so i slowed down