Board Thread:Game Discussion/@comment-28169398-20180928162210/@comment-28169398-20181001233105

Gt2limited wrote: Is there any info if upgrading the cars will also be terminated at 2019? According to what they are saying on Reddit, once you own them, they are yours and function like any other car in your garage. You have access to upgrade the cars and use them in their Motorsports series.

That being said, if they no are no longer able to develop anything for them, then all you will have are the motorsports series they are in. They have already said they will not appear in WTTT and OMP, and I would assume that they couldn't use them in team competitions either.