The gas tank on the 2011 Infiniti FX holds 23.8 gal..
The gas tank on the 2011 Infiniti EX holds 20.0 gal..
The gas tank on the 2011 Infiniti G-Coupe holds 20.0 gal..
The gas tank on the 2011 Infiniti G-Sedan holds 20.0 gal..
The gas tank on the 2011 Infiniti G-Convertible holds 20.0 gal..
20 gallons in both the coupe and sedan.
The gas tank on the 2012 Infiniti EX holds 20.0 gal..
The gas tank on the 2013 Infiniti EX holds 20.0 gal..
The gas tank on the 2012 Infiniti M holds 20.0 gal..
The gas tank on the 2012 Infiniti FX holds 23.8 gal..
The gas tank on the 2013 Infiniti FX holds 23.8 gal..
The gas tank on the 2013 Infiniti QX holds 26.0 gal..
The gas tank on the 2014 Infiniti QX70 holds 23.8 gal..