HomeAll RepliesRe: Is the Buick Regal GS underpowered? Re: Is the Buick Regal GS underpowered? Sponsored August 26, 2012 at 7:07 am #40533 C6RAPTORParticipant BUICK REGAL GS at 162 MPH with ONLY 270 HP http://gmauthority.com/blog/2012/05/a-look-at-buicks-run-during-the-2012-nevada-open-road-challenge-video/ http://gmauthority.com/blog/2012/05/buick-takes-second-at-nevada-open-road-challenge/ Sponsored Subscribe to GM Authority For around-the-clock GM news coverage We'll send you one email per day with the latest GM news. It's totally free. First Name Last Name Email Address Subscribe via Email Leave this field empty if you're human: Sponsored