The standard features of the Audi S4 4.2 - No Longer Available for Ordering include 4.2L V-8 340HP engine, 6-speed manual transmission with overdrive, 4-wheel anti-lock brakes (ABS), side seat mounted airbags, driver and passenger side airbag head extension, driver and passenger knee airbag, automatic, 18" alloy wheels, cruise control, ABS and driveline traction control, quattro all-wheel drive, and a stability control.