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Musk: Cybercab cost-per-mile optimization 'understood by very few'

Tesla CEO suggests the robotaxi's efficiency gains are underappreciated by the market.

Sep 9, 2026 · via X · @elonmusk
Tesla Telemetry OriginalRobotaxiCompany

Elon Musk underscored the Cybercab's engineering focus on operational economics, stating that "the degree to which Cybercab is optimized for lowest possible cost per mile (fully loaded) is understood by very few." The remark came in a reply to Sawyer Merritt on X and suggests Tesla has prioritized per-mile economics in the vehicle's design and specification.

The Cybercab, unveiled last year, is central to Tesla's robotaxi ambitions. While Musk did not elaborate on specific cost metrics or design choices that drive this optimization, his comment implies that analysts and observers may be overlooking key efficiency aspects of the vehicle's construction or operational model.

Tesla has previously highlighted the Cybercab's streamlined manufacturing process and design simplicity as cost drivers. The exact specifications and full economics remain largely undisclosed, leaving much of the technical foundation for Musk's claim still unknown.

"@SawyerMerritt The degree to which Cybercab is optimized for lowest possible cost per mile (fully loaded) is understood by very few"X · @elonmusk
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