Hillclimb Shipka 2017 - Audi quattro S1 - Niki Zlatkov - YouTube
Niki Zlatkov // Audi Quattro S1 // Verzegnis 2015 - YouTube
Prospeed Audi Quattro S1 - Bergrallye Pöllauberg 2018 | racing, Audi Quattro | The Beast is ready for the first race this year:) Good luck to the team! | By Prospeed Motorsport | Facebook
rFactor 2 Prospeed Audi Quattro S1 Niki Zlatkov Ritsona Hillclimb (Greece) 2020 - YouTube
700HP Audi Quattro S1 PROSPEED by Niki Zlatkov! - TURBO 5-Cylinder Hillclimb Monster! - YouTube
PURE SOUND - Niki Zlatkov - PROSPEED Audi S1 | Verzegnis 2014 - My Life at Speed
Audi Quattro S1 Rechbergrennen 2018 - Niki Zlatkov | Audi Quattro S1 Rechbergrennen 2018 - Niki Zlatkov | By Prospeed Motorsport | Facebook