B7 S4-T vs C63 AMG (NA 6.3)
2,665 views · Published 15 May 2016 · 1:52 · Indexed 1 November 2026
Channel: Q Performance Concepts · 2016 · Autos & Vehicles
S4 @ 8psi GTS PERFORMANCE Tuned C63 renntech tuned and catless DPs (+1 passenger) 40-130 1st run 40-140 2nd run