The question you ask is too involved for a proper answer. You may want to go to a car parts store, or book store, and get a repair manual for your car. They cost about $16.00 Or, go to a Public Library.
The 2006 Toyota Avalon has front wheel drive.
The 2005 Toyota Avalon has front wheel drive.
The 2001 Toyota Avalon has front wheel drive.
The 2003 Toyota Avalon has front wheel drive.
The 2009 Toyota Avalon has front wheel drive.
The 2008 Toyota Avalon has front wheel drive.
The 2011 Toyota Avalon has front wheel drive.
The 2007 Toyota Avalon has front wheel drive.
The 2002 Toyota Avalon has front wheel drive.
The 2004 Toyota Avalon has front wheel drive.
The 2012 Toyota Avalon has front wheel drive.
The 2014 Toyota Avalon has front wheel drive.