There a mistake, AUDI state that there be a 3 spoke steering wheel, not 4 spoke.
Also, the latest news for RS4 is that it be TwinTurbo V8 producing 450 hp and around 490 lbs/torque. SCARY.
The S line will no longer be turbos anymore, only the RS line do. The new S6 will be V10, while S8 be W12 .