Tesla will now allow transferring an FSD purchase from a Model 3 or Model Y to the Cybertruck for free as the pickup gets included in the Q4 incentive scheme.https://www.notebookcheck.net/Cybertruck-gets-free-FSD-transfer-offer-as-its-promised-500-mile-range-becomes-a-pipe-dream.905882.0.html
Will there not be an RWD Cybertruck available at some point? If so it's possible that could achieve around 500 with the range extender.