For comparison, two of the most delayed games for consoles are The Last Guardian and Kingdom Hearts 3, and both either released or on track to release in 6 year

For comparison, two of the most delayed games for consoles are The Last Guardian and Kingdom Hearts 3, and both either released or on track to release in 6 years. FFXV took ten years, and was more or less completely redesigned from its initial concept. Meanwhile Star Citizen is 7 years in development and still is in alpha.