14.1
2000 and earlier 15.2 gal....2001 up 14.3 gal.
14.1
The gas tank on the 2002 Chevrolet Tahoe holds 26 gal..
The gas tank on the 2002 Chevrolet Corvette holds 18.5 gal..
The gas tank on the 2002 Chevrolet Impala holds 17 gal..
The gas tank on the 2002 Chevrolet Camaro holds 16.8 gal..
The gas tank on the 2002 Chevrolet Express holds 31 gal..
The gas tank on the 2002 Chevrolet Malibu holds 14.3 gal..
The gas tank on the 2002 Chevrolet Suburban holds 31 gal..
Since I couldn't find an answer here I was able to get one at the local parts store. 13 gallons.
The gas tank on the 2002 Chevrolet Express-Cargo holds 31 gal..
The gas tank on the 2002 Chevrolet Silverado-2500HD holds 34 gal..