Jesus, that digital only future.
https://www.vg247.com/2017/06/16/for...ace-at-launch/
According to the game’s store page (via MS Power User), you’ll need 100GB of free space at launch.
This makes it the largest Forza title ever at launch, and certainly among the biggest on Xbox One. Today, Gears of War 4 with all the updates is already close to 120GB, and Halo 5 is around 100GB, but again, that’s after months of patches.