Unlikely, 4 lines of GA includes stuff like installing brakes, wiring harnesses, dampers, windshields, etc.
If they do build other spec vehicles on the line it will be done by kitting different parts to the line whilst using the same line
Having said that; what is sounding far more likely is...
Question, don't know if any of you are knowledgeable on this;
but would there be anything stopping me from adding an industrial plc and HMI that support CAN onto the slate's canbus network?