The 2009 Audi S6 has also been upgraded and comes in both Avant and sedan body types. The 2009 Audi S6 is powered by a naturally aspirated 5.2-litre V10 engine developing 435PS that has received improvements in economy and emissions. The 2009 Audi S6 is powered by the same engine as in the RS6 version, except that it's not equipped with turbo chargers.
The 2009 Audi S6 has not been announced yet.
