That is different for each model.
20 gallons
18 gallons
About 70 Liters (about 18 gallons).
A 1998 Dodge Intrepid has a 17 gallon gas tank capacity.
After 1996, they hold 20 gallons
16gallons
18
The gas tank on the 2008 Dodge Durango holds 27.0 gal.
The gas tank on the 2014 Dodge Avenger holds 16.9 gal.
The gas tank on the 2011 Dodge Durango holds 24.6 gal..
The gas tank on the 2009 Dodge Charger holds 18 gal..
The gas tank on the 2006 Dodge Durango holds 27 gal..