2004 Audi RS6 - 4.2 V8
1993 Audi S4 - 4.2 V8
2007 Audi A8 - 4.2 V8
better when it comes to reliability, otherwise a classical suspension is not any other way better for a daily driven car with a sportive note such as the RS6 barge
Ex.: 2004 Audi RS6 C5 ABT, Milltek non-resonated, 19" RS4 B7 rims, RNS-E - SOLD
2004 AUdi RS6 C5, SE exhaust, RNS-E, 19' original rims - SOLD
Now :2009 Audi RS6 C6 - stock yet pretty fast