4 years ago[4k] Mercedes S63 AMG V8 BiTurbo W221 ECU tuned vs Audi S8, S8 Plus, E63S ECU tune, G63 AMG, M5 etcGTBOARD119767677Verified
10 years ago2015 Audi S8 4.0T Quattro Start Up, Quick Drive, and In Depth ReviewThe Most Automotive Variety Online!
4 years ago[4k] 520 HP Audi S8 vs 600+ HP Mercedes S63 AMG V8 BiTurbo W221 ECU tunedGTBOARD119767677Verified
2 years ago802 HP Mercedes S63 AMG most beautiful Audi S8 and BMW i760 dominator? 1430 Nm! W223 generation!GTBOARD119767677Verified