19.5 Gallons
The gas tank on the 2011 Chevrolet Colorado holds 19 gal..
The gas tank on the 2006 Chevrolet Colorado holds 19 gal..
The gas tank on the 2005 Chevrolet Colorado holds 19 gal..
The gas tank on the 2004 Chevrolet Colorado holds 19 gal..
The gas tank on the 2010 Chevrolet Colorado holds 19 gal..
The gas tank on the 2008 Chevrolet Colorado holds 19 gal..
The gas tank on the 2009 Chevrolet Colorado holds 19 gal..
The gas tank on the 2007 Chevrolet Colorado holds 19 gal..
26 Gallons (From the Chevrolet website)
15
The gas tank on the 2012 Chevrolet Corvette holds 18.0 gal..