16.4 U.S. gallons
The gas tank on the 2013 Audi A4 holds 16.9 gal..
The gas tank on the 2012 Audi A4 holds 16.9 gal..
The gas tank on the 2010 Audi A4 holds 16.9 gal..
The gas tank on the 2009 Audi A4 holds 16.9 gal..
The gas tank on the 2001 Audi A4 holds 16.6 gal..
The gas tank on the 2007 Audi A4 holds 18.5 gal..
The gas tank on the 2003 Audi A4 holds 18.5 gal..
The gas tank on the 2014 Audi A4 holds 16.1 gal..
The gas tank on the 2004 Audi A4 holds 18.5 gal..
The gas tank on the 2008 Audi A4 holds 18.5 gal..
The gas tank on the 2005 Audi A4 holds 18.5 gal..
The gas tank on the 2006 Audi A4 holds 18.5 gal..