If the car is an S6 instead of an A6 then it is the sport model of that car. This means the car has a more powerful engine and all the equipment to go along with that power.
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The 2003 Audi A6's turning circle is 38.3 ft..
The 2012 Audi A6's turning circle is 39.0 ft..
The 2010 Audi A6's turning circle is 39.0 ft..
The 2008 Audi A6's turning circle is 39.0 ft..
The 2014 Audi A6's turning circle is 39.0 ft..
The 2011 Audi A6's turning circle is 39.0 ft..
The 2006 Audi A6's turning circle is 39.0 ft..
The 2001 Audi A6's turning circle is 38.3 ft..
The 2005 Audi A6's turning circle is 39.0 ft..
The 2004 Audi A6's turning circle is 38.3 ft..
The 2013 Audi A6's turning circle is 39.0 ft..