The standard features of the Audi S8 4.0T include 4L V-8 563hp twin turbo hybrid powertrain , 8-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), MMI Navigation plus integrated navigation system with voice activation, Side seat mounted airbags, SIDEGUARD 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