Take a listen to the four new IMSA GTP models from Acura, BMW, Cadillac, and Porsche in action ahead of this weekend's Rolex 24 At Daytona and choose your favorite.Check back for more videos on GTP technologies and the various insights on items that make the cars and IMSA’s new...

RACER's new GTP 101 video series continues with the last of our vehicle tech tours, featuring Porsche's 963 prototype. Check back for more videos on GTP technologies and the various insights on items that make the cars and IMSA's new hybrid-electric formula one to watch.Check out previous installments below.