Tesla delays Roadster public demonstration again - rocket thrusters not ready

The timeline for the next-generation Tesla Roadster keeps stretching further and further into the future. A fresh report indicates that the American electric vehicle manufacturer shifted its planned public demonstration from the spring to August or even later. The decision is yet another adjustment to a schedule that has repeatedly changed since the company first displayed the vehicle concept nearly a decade ago.

According to individuals familiar with the situation, the upcoming exhibition will eventually take place in Texas. The main objective of this event is to highlight the specialized technology that Tesla is developing alongside SpaceX. The company claims this system will use cold gas thrusters to give the high-performance car unprecedented acceleration and the unique ability to briefly leave the ground… That's apparently not a joke.

Skepticism surrounding these production timelines is not new for the brand. CEO Elon Musk introduced the prototype back in November 2017 and promised that manufacturing would officially begin in 2020. Since that announcement, the executive adjusted the official launch window at least eight separate times. The planned event in Texas is the first major presentation focused on this specific product since the manufacturer revealed its Cybercab concept back in October 2024.

The delays piled up quickly over the past few months. During a shareholder presentation in late 2025, the company promised April 1, 2026, as the reveal date, but pushed volume production out to 2027 or 2028. When April passed without an event, statements on social media suggested late May or early June. Eventually, during the first-quarter earnings call for 2026, the guidance changed once again to a vague estimate of "a month or so."

Internal data reveals that engineering teams completed a private demonstration of the rocket-derived hardware for management in late April. The internal trial helps clarify why the company felt compelled to postpone the public showcase, as the complex systems needed more testing. The project has an internal designation "A71" and is a collaborative effort between engineers from both the automotive firm and the aerospace company.

The plans apparently involve two distinct variants of the sports car. The premium version will sport the SpaceX package, which replaces the rear passenger seats with approximately 10 cold-air rocket thrusters. This is supposed to improve cornering agility, braking efficiency, and acceleration. Company documentation asserts the setup will achieve a 0 to 60 mph sprint time of just 1.1 seconds. A standard, scaled-down version without the rocket components will be the entry-level model.

The ongoing development brought serious financial tension for early buyers who funded the project years ago. Customers paid big deposits to secure their positions in line, with standard reservations costing $50,000 and exclusive Founders Series slots requiring an upfront payment of $250,000. The reservation holders have yet to see a finalized production vehicle despite committing serious capital to the manufacturer nearly nine years ago.

The prolonged waiting shows how much the competitive landscape for electric cars has transformed. Tesla Roadster might be stuck in the prototype phase, but global competitors successfully launched and delivered high-performance EVs to customers worldwide. Brands like Rimac, Lotus, Yangwang, and Xiaomi ship advanced electric cars that compete in the high-end performance sector, reducing the technical uniqueness that the American automaker originally promised.

Industry analysts suggest that the heavy push for experimental aerospace features reveals an important strategic shift. Integrating rocket thrusters into Tesla Roadster creates a lot of media attention, but it does very little to solve the practical manufacturing or battery engineering challenges facing modern EVs. Some market observers view the reliance on these complex mechanical additions as an admission that Tesla's battery-electric powertrains alone no longer guarantee a distinct performance advantage over rapidly advancing international competitors.

Via