How big is a golf cart rear cargo box? Our rear cargo boxes are 41.5″W x 27.5″L x 8″H and our XL boxes are 41.5″W x 36″L x 8″H. By Gilchrist Golf Cars|2020-02-22T12:00:24-08:00February 22nd, 2020|Categories: Utility Cars|0 Comments Share This Car, Choose Your Platform! FacebookXRedditLinkedInPinterestVk About the Author: Gilchrist Golf Cars Leave A Comment Cancel replyYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.