Board Thread:Game Discussion/@comment-2600:1004:B15E:6414:D154:8136:BF17:73D2-20180605153339/@comment-27006659-20180605172645

There is no easy button for what you're looking for. The closest thing would be the Cars_(Fully_Upgraded_with_R$) page. If you're handy with Excel, you could import that table, add columns for 'owned y/n', owned PR, and a calculated column R$ PR max - owned PR.

To date nobody has constructed a way to extract your personal data from the game files.