New tooling, new technology and the ability to design it all out from scratch. The Fremont factory was a retrofit of a Toyota factory iirc. It also has been the

New tooling, new technology and the ability to design it all out from scratch. The Fremont factory was a retrofit of a Toyota factory iirc. It also has been the workhorse for most Tesla cars so it's hard to do any extended updates to it while they didnt have other factories to pick up slack. Not that I expect the Austin factory to solve all their fit and finish issues, but I am delaying my Model Y purchase till it comes online.