It holds 20.9 gallons.
20
The gas tank on the 2005 Toyota Avalon holds 18.5 gal..
The gas tank on the 2005 Toyota Highlander holds 19.1 gal..
The gas tank on the 2005 Toyota 4Runner holds 23.0 gal..
The gas tank on the 2005 Toyota Matrix holds 13.2 gal..
The gas tank on the 2005 Toyota Tundra holds 26.4 gal..
The gas tank on the 2005 Toyota RAV4 holds 14.8 gal..
The gas tank on the 2005 Toyota Camry holds 18.5 gal..
The gas tank on the 2005 Toyota Corolla holds 13.2 gal..
The gas tank on the 2005 Toyota Prius holds 11.9 gal..
The gas tank on the 2005 Toyota Sienna holds 20 gal..