As he said:
“We’ve got about 45 years worth of ideas we want to do,” Benzies laughs. “We don’t know what GTA VI will be, but we’ve got some ideas. GTA Online is the focus right now. There ain’t no rest between finishing V and then Online. Plus we have some other things – stuff, DLC, I don’t know how to describe it exactly – that we’d like to do, and we’ll pick the right ones.”
Its really too earlier to talk about the next GTA but lets imagine how it will be after 4-5 years from now.