A previous dev has suggested that the GTA 6 map really should be smaller and even more densely packed. On the other hand, as leaks have ongoing to trickle outside of Rockstar, modders have recreated the GTA 6 map in GTA 5's engine which supplies a way of its https://sergioilkhz.blogdal.com/36753944/about-grand-theft-auto-6-trailer-2