The standard features of the Audi S6 2.9T include 2.9L V-6 444hp twin turbo hybrid powertrain , 8-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), Audi MMI Navigation with Touch Response integrated navigation system with voice activation, Side seat mounted airbags, Curtain 1st and 2nd row overhead airbags, rear side impact airbag, driver and passenger knee airbags, Airbag occupancy sensor, Air conditioning, 21" aluminum wheels, All-wheel, Cruise control, Audi adaptive cruise assist (ACA) distance pacing