A previous dev has prompt that the GTA 6 map really should be smaller and even more densely packed. Even so, as leaks have ongoing to trickle out of Rockstar, modders have recreated the GTA 6 map in GTA 5's engine which gives a way of its significant scale. https://gta-six-preorder64196.mdkblog.com/41283664/a-simple-key-for-grand-theft-auto-6-trailer-unveiled