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Elon Musk has shown off his “Cybercab” in an eagerly anticipated event for Tesla investors, but was vague on crucial details as he predicted that its self-driving taxi would be available for less than $30,000.  

“I think the cost of autonomous transport will be so low that you can think of it like individualised mass transit,” Musk said on Thursday, as he appeared at the event at Warner Bros Studios in Los Angeles, riding in a Cybercab with no steering wheels and pedals.

He said production of the robotaxis was likely to start before 2027, with the caveat that the service needed to be approved by regulators. He also unveiled a prototype for a 20-person autonomous vehicle called “the Robovan”.

Since Tesla announced a “robotaxi day” on April 5, its shares have risen 45 per cent in anticipation of the unveiling. Musk has said the new electric vehicles could take the company’s valuation as high as $5tn, about seven times its current market value. 

But following months of delay, Musk’s presentation started nearly an hour late and ended in less than 30 minutes, with Optimus autonomous humanoid robots dancing in what looked like a giant fish tank.

Musk has repeatedly missed his own targets to roll out self-driving taxis, first promising fully autonomous rides from Los Angeles to New York by the end of 2017. In 2019, he predicted that 1mn robotaxis would be on the road by the following year.

On Thursday, he said unsupervised rides using its self-driving software could be available in Texas and California from next year.

Most analysts believe it will take several more years for Tesla to roll out the robotaxis in light of the regulatory hurdles and questions about the safety of its self-driving technology, which relies on cameras, a computer chip and artificial intelligence to steer the vehicles. Rivals including Waymo and China’s Baidu depend on lidar — laser-based sensors — and high-definition maps to understand the vehicle surroundings.

In a note ahead of the event, Pierre Ferragu, analyst at New Street Research said Tesla is unmatched in terms of its access to data through its fleet of nearly 7mn cars on the road, its AI capabilities and the ability to scale. 

But he added: “There is potentially a lot of competition, and the appetite for supervised self-driving, chauffeur services and even robotaxis is uncertain.” 

In recent years, Musk has tried to convince investors to value the company not as an electric vehicle maker, but one focused on autonomous driving and artificial intelligence. 

Its automotive sales, which still account for 82 per cent of its total revenue, have declined in the face of increased competition. More affordable EV offerings from Chinese companies have forced Tesla to cut its own prices. 

In its latest quarter, vehicle deliveries rose 6.4 per cent from a year earlier, rebounding for the first time this year, despite slightly missing Wall Street expectations. 

While robotaxis hold potential over the longer term, a bigger focus for investors is whether Tesla can quickly roll out a more affordable EV, known unofficially as the Model 2 that will be priced at $25,000, to replace its ageing product portfolio. 

There had been expectations that Musk would unveil the cheaper model on Thursday.

“We continue to worry that Tesla will have limited growth and margin expansion until the new lower-cost models are introduced,” Bernstein analyst Toni Sacconaghi said.