Washington, DC (CNN Business) Elon Musk unveiled Tesla's mid-size electric SUV, the Model Y, Thursday night in Hawthorne, Calif.

The most-affordable Model Y will have a base price of $39,000 and a 230-mile battery range, but customers will have to wait until at least 2021 to own one of the five-seater SUVs. Tesla will first sell more expensive versions of the Model Y — with prices starting from $47,000 to $60,000, and offering more battery range. Those will ship starting in 2020, according to the company. There are additional charges for Tesla's autopilot software, a third row of seats and colors other than black. A panoramic glass roof comes standard.

An enthusiastic Musk said on stage he expected Tesla to sell more Model Ys than Model 3s and Model Xs combined. Production of the SUV is supposed to begin next year.

But many questions remain unanswered about the Model Y, including where it will be manufactured and how fast Tesla can scale production to meet demand. Tesla has said previously it will likely build the Model Y at its Gigafactory in Nevada.

It took nearly three years after Tesla's unveiling of the Model 3 before it sold for its promised price point of $35,000. Tesla's timeline calls for a faster turnaround for the Model Y. The automaker has previously struggled to hit deadlines, and had a difficult time scaling Model 3 production.

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