A former dev has advised the GTA six map should be smaller and even more densely packed. On the other hand, as leaks have ongoing to trickle out of Rockstar, modders have recreated the GTA six map in GTA 5's engine which offers a sense of its enormous scale. https://grandtheftauto6releasedat37652.blogzet.com/5-essential-elements-for-grand-theft-auto-6-ps5-50182855