My manual says 14.5 US Gal but I have never put more than 13.1 Gallons in it even when the gauge was way past the E and I swear we rolled into the station on fumes.
A Subaru Forester's tank can hold about 60 litres or 16 gallons.
13.3 gallons
The gas tank on the 2011 Subaru Forester holds 16.9 gal..
The gas tank on the 2005 Subaru Forester holds 15.9 gal..
The gas tank on the 2007 Subaru Forester holds 15.9 gal..
The gas tank on the 2004 Subaru Forester holds 15.9 gal..
The gas tank on the 2009 Subaru Forester holds 16.9 gal..
The gas tank on the 2013 Subaru Forester holds 16.9 gal..
The gas tank on the 2012 Subaru Forester holds 16.9 gal..
The gas tank on the 2003 Subaru Forester holds 15.9 gal..
The gas tank on the 2006 Subaru Forester holds 15.9 gal..
The gas tank on the 2001 Subaru Forester holds 15.9 gal..