According to 4x4review.com, the fuel tank capacity for the 1/2 ton 2003 Chevrolet suburban is 31 gallons (117 liters) and the 3/4 ton is 37.5 gallons (142 liters).
The gas tank on the 2003 Chevrolet Suburban holds 31 gal..
The 1998 K2500 Suburban has a 44 gallon gas tank.
About 45 gallons
42 IS THE ANWSER
The 2003 Chevrolet Suburban fuel filter is located inside of the gas tank. You will to remove the gas tank in order to change the fuel filter.
1500 is 31 gallon and 2500 is 39 gallon
The 2007 Chevrolet Suburban SUV gets 14 mpg in the city, and 19 mpg on the highway. Its gas tank has a 31 gallon capacity.
The gas tank on the 2005 Chevrolet Suburban holds 31 gal..
The gas tank on the 2014 Chevrolet Suburban holds 31.0 gal..
The gas tank on the 2004 Chevrolet Suburban holds 31 gal..
The gas tank on the 2001 Chevrolet Suburban holds 32.5 gal..
The gas tank on the 2012 Chevrolet Suburban holds 31.0 gal..