The automaker is now teasing the new Beast X, a Corvette-based hypercar. The Beast Roars Even LouderRezvani Motors Beast X Teaser Rezvani MotorsRezvani has been evolving the Beast for a while. The Beast X will debut on August 10, so we'll likely get more details about the project at that time. The Rezvani Beast. The Beast X looks to appeal to the wealthy folks looking for the meanest track car they can find.