Today on this 2014 GMC Terrain, we're going to be test fitting the 48x21 max tow cargo carrier. Part number MT70422. This cargo carrier has a 500 pound carry capacity. It's made out of a very strong and durable aluminum. It has these points at the front and the rear, which are going to be used as tie on points for either your ratchet straps or your bungee chords. Whatever it is you use to tie down… see more >