RTFM - Read the Owners Manual, if you don't have one buy one! No one should own an automobile without one!
The gas tank on the 2001 Porsche Boxster holds 16.9 gal..
The size of the 2008 Porsche Boxter fuel tank is 17.2 gallons or 65 liters.
The gas tank on the 2003 Porsche Boxster holds 16.9 gal..
The gas tank on the 2010 Porsche Boxster holds 16.9 gal..
The gas tank on the 2007 Porsche Boxster holds 16.9 gal..
The gas tank on the 2012 Porsche Boxster holds 16.9 gal..
The gas tank on the 2005 Porsche Boxster holds 16.9 gal..
The gas tank on the 2008 Porsche Boxster holds 16.9 gal..
The gas tank on the 2002 Porsche Boxster holds 16.9 gal..
The gas tank on the 2006 Porsche Boxster holds 16.9 gal..
The gas tank on the 2009 Porsche Boxster holds 16.9 gal..
The gas tank on the 2004 Porsche Boxster holds 16.9 gal..