Forza Horizon 6 players are experiencing significant issues with save data loss, with many reporting that their progress is erased, particularly when using the Quick Resume feature on Xbox or encountering cloud save problems on PC. Certain vehicles, including the 2003 Ford F-150 SVT Lightning and 1994 Ferrari F355 Berlinetta, are suspected to be linked to these issues. Players are advised to avoid these vehicles and disable Quick Resume to mitigate risks. Regular backups of save files are recommended for PC users. In case of data loss, players can contact Forza Support to restore their inventory, but they will still need to restart the campaign and collect items again.