Behind The Wheel of a Built 9-Second 2018 Audi RS3! Acceleration & Sound by turboandstance - October 26, 2019November 7, 2019 Marcus takes reign of a 600HP Built 9-Second 2018 Audi RS3. With all of its modifications and tweaks to get it to its best time of 9.97 @ 137 MPH the quarter mile, it still retains the factory turbocharger. Pretty impressive if you ask us. Watch the video below, enjoy