Depending on what cylinder, whether or not its manual, and if its a 4wd or 2wd; about anywhere fron 18 to 22
The gas tank on the 2004 Toyota Tacoma holds 15.8 gal..
21.1 gallons.
It holds 20.9 gallons.
18 gallons
22
About 17 gallons
According to Consumer Guide Automotive, 18.5 gallons (approximately).
The gas tank on the 2012 Toyota Tacoma holds 21.1 gal..
The gas tank on the 2008 Toyota Tacoma holds 21 gal..
The gas tank on the 2014 Toyota Tacoma holds 21.1 gal..
The gas tank on the 2010 Toyota Tacoma holds 21.0 gal..
The gas tank on the 2011 Toyota Tacoma holds 21.1 gal..