Musk demonstrates Tesla vehicle equipped with SpaceX rocket thrusters

Regulatory approval and a credible commercialization pathway would likely shift investor perception from novelty to viable product category, though near-term revenue impact would remain modest given manufacturing and certification hurdles.

If the prototype remains a demonstration without regulatory progress or production timeline, the announcement would plausibly fade as a one-time publicity event with minimal sustained effect on Tesla's valuation or operational metrics.

Safety incidents, regulatory rejection, or public backlash over feasibility claims could create reputational friction and draw scrutiny to Musk's capital allocation priorities, potentially pressuring investor confidence in Tesla's core business focus.