The gas tank on the 2014 Scion FR-S holds 13.2 gal..
The gas tank on the 2014 Scion iQ holds 8.5 gal..
The gas tank on the 2014 Scion xD holds 11.1 gal..
The gas tank on the 2014 Scion tC holds 14.5 gal..
The gas tank on the 2014 Scion xB holds 14.0 gal..
10 gallons
10 Gal with one gal reserve
The gas tank on the 2011 Scion xB holds 14.0 gal..
The gas tank on the 2011 Scion tC holds 14.5 gal..
The gas tank on the 2011 Scion xD holds 11.1 gal..
The gas tank on the 2013 Scion iQ holds 8.5 gal..
The gas tank on the 2012 Scion iQ holds 8.5 gal..
The gas tank on the 2006 Scion xB holds 11.9 gal..