Board Thread:General Discussion/@comment-30440376-20170621085654/@comment-26829117-20170622113054

Delete and reload will often reduce the footprint (don't forget to cloud save) as updates don't seem to clean up properly. This might be device specific.

The previous comment is probably the most useful, if you are short of space on your device then don't download all the assets. If you aren't running a lot of the cars or series this will save you quite a lot of space.