When you earlier just needed to insert a CD into your drive and could started playing, the sequel requires to be installed. So far, that does not sound unusual.
According to the Xbox Store, the digital version of the game takes about 44 Gigabyte of your Xbox One storage and is very likely to grow even more due to patches and updates.

Furthermore Microsoft announced over 26 different weather-scenarios and by that, variety should be given – each of them is going to change driving dynamics.
In order to complete all these new challenges, players might use the latest Xbox Elite-Controller that promises more sensitivity and accuracy.
HoloLens-integration is another topic Microsoft announced, unfortunately without further information.
Forza Motorsport 6 is going to be released on September, 15th exclusively for Xbox One. Have you already cleared up some disk space for the game? Share your opinion down below!
(Source: https://www.elitepvpers.com/forum/ga...-xbox-one.html)