What is the size of the cargo area on the 2003 avalance?
Hi sp3415! The capacity of the cargo area on the 2003 Avalanche is 1.526 liters. Hope that helps! Good luck!
With the midgate up the box is 5'3" long, 4'3" wide and 22" tall to the cargo covers. With the midgate down, the box length is over 8' . Hope that helps.
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