The curb weight of the 2010 Audi S4 is 3847 lbs..
The curb weight of the 2006 Audi S4 is 3825 lbs..
The curb weight of the 2009 Audi S4 is 4211 lbs..
The curb weight of the 2008 Audi S4 is 3990 lbs..
The curb weight of the 2007 Audi S4 is 3869 lbs..
The curb weight of the 2011 Audi S4 is 3637 lbs..
The curb weight of the 2014 Audi S4 is 3847 lbs..
The curb weight of the 2012 Audi S4 is 3847 lbs..
The curb weight of the 2013 Audi S4 is 3847 lbs..
The curb weight of the 2005 Audi S4 is 3825 lbs..
The curb weight of the 2002 Audi S4 is 3593 lbs..
The 2004 Audi S4 has 40 valves.