As per the handbook that comes standard with every vehicle ever made the gas tank on a 2005 Chrysler Town & Country (any model) is 18.5 gallons.
Actually according to my 2005 Chrysler Town & Country owner's manual the capacity is 20 gallons.
The 2005 Chrysler Town-AND-Country has a V6 engine.
The 2005 Chrysler Town-AND-Country has a 3.3 L base engine size.
Both
For a 2005 Chrysler T&C Touring/Limited editions, the size is 215/65/16. For LX, it's 215/70/16.
The 2003 Chrysler Town-AND-Country has a V6 engine.
The 2014 Chrysler Town-AND-Country has a V6 engine.
The 2008 Chrysler Town-AND-Country has a V6 engine.
The 2012 Chrysler Town-AND-Country has a V6 engine.
The 2006 Chrysler Town-AND-Country has a V6 engine.
The 2011 Chrysler Town-AND-Country has a V6 engine.
The 2001 Chrysler Town-AND-Country has a V6 engine.
The 2013 Chrysler Town-AND-Country has a V6 engine.