Musk, on the other hand, dodged a question regarding pricing and delivery dates.
Instead, he stated that deliveries would begin this year.
He also reiterated previous warnings that starting manufacture of a new car can be difficult.
The production ramp will move at the speed of the slowest.
Last month, Musk stated that "the supply chain and internal production are the least fortunate elements of the entire supply chain and internal production."
Requests for comment were not returned by Tesla.
Tesla has struggled with increasing manufacturing of new automobiles.
Model 3 car was dubbed "production hell" by the firm several years ago.