The gas tank on the 2014 Porsche Panamera holds 21.1 gal..
The gas tank on the 2011 Porsche Panamera holds 26.4 gal..
The gas tank on the 2013 Porsche Panamera holds 26.4 gal..
The gas tank on the 2012 Porsche Panamera holds 26.4 gal..
The gas tank on the 2010 Porsche Panamera holds 21.1 gal..
The gas tank on the 2014 Porsche Boxster holds 16.9 gal..
The gas tank on the 2014 Porsche 911 holds 16.9 gal..
The gas tank on the 2014 Porsche Cayman holds 16.9 gal..
The gas tank on the 2014 Porsche Cayenne holds 26.4 gal..
15- Gallons US
The gas tank on the 2003 Porsche Boxster holds 16.9 gal..
The gas tank on the 2004 Porsche 911 holds 16.9 gal..
The gas tank on the 2012 Porsche 911 holds 16.9 gal..