Buick Regal GS Hits 162 MPH in Nevada Open Road Challenge By Huw Evans May 22 2012 Share this Article Tweet Ultimately the duo finished with 0.4 seconds of their 40 minute target time, placing second place in the 135-mph class and putting them on the podium. Continue Reading... Filed under: American Buick Events Featured Articles GM Motorsports SedansTags: 2012 buick regal, Buick, general motors, High speeds, Nevada Open Road Challenge, Road Rallies