It should about 18 gallons.
19 Gallons
Mine hold 17 gallons.
16.0 Gallons
20.86 Gallons
12.8 Gallons
13.2 gallons ( U.S. ) in a 2002 Ford Focus
12.4 U.S. gallons on a ( 2012 ) Ford Focus
28 gallons 28 gallons
about 18 gallons.
14 - 15 gallons
15.7 gallons
16 Gallons