A previous dev has prompt that the GTA 6 map needs to be lesser and more densely packed. Having said that, as leaks have ongoing to trickle out of Rockstar, modders have recreated the GTA 6 map in GTA 5's engine which provides a sense of its enormous scale. https://gtasixlogo53185.pages10.com/indicators-on-grand-theft-auto-6-release-you-should-know-70711040