Board Thread:Game Discussion/@comment-28169398-20180626004318/@comment-28169398-20180627032619

Powerup777 wrote: They also didn't say you won't have to upgrade it, you just don't have to own it. Double edged sword. Pretty sure that the first Tier of most series have no PR requirement, so there is no requirement to upgrade.

They will let you upgrade, which will be nice for players who don't own the car if an upgrade or customization sale comes up, but it is limited if it is what we consider Career Series over Bonus Series.

I also think all but the first series will be open for players that lack the progression in that Career Group.