520HP Opel Speedster Turbo Rocket vs. 680HP Audi TT-RS Performance Acceleration & Sound by turboandstance - December 24, 2020 In this video you can see a 520hp Speedster Turbo with anti-lag system dragracing against other modified cars. It was racing against a 335D, 535D, Leon 1.8 20vt, 680HP TT-RS, 500HP Macan, 550HP RS3! Enjoy the video, leave a comment below and share this one with your friends! Don't forget