A Russian printout of the VW Group ETKA software shows the latest intel about the new 4.0 TFSI power levels for the Audi S6, the Audi S7, the Audi S8 and the Audi A8 4.0T. a must read!
If this accurate, then we’re reading this that the horsepower for the A8 fitment (above) will be 420 hp and it is expected in the market (Europe at least) by October of 2011. Also above is information for the S8 which will weigh in at 518 hp and arrive November 2011. Horsepower and arrival for the S7 (immediately below) will be 408 hp and arrive in November 2011 and the S6 (second below) will be identically powered and arrive at the same time.