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Tesla Cybercab's Official EPA Test Results Show Modest Specifications but Impressive Efficiency

autoevolution.com·Jun 17, 2026

Tesla's Cybercab has been revealed to have a 48-kWh battery that offers an impressive range of approximately 290 miles and a record efficiency of 6 mi/kWh, making it the most efficient production vehicle. The vehicle is designed for autonomous operation and is set to enter Tesla's Robotaxi fleet, with volume production expected to start in 2027.

Tesla's Cybercab, targeting entry into the Robotaxi fleet, showcases an impressive 6 mi/kWh efficiency, the highest among production vehicles. This efficiency is backed by a lightweight design and a 48 kWh battery, resulting in an estimated 290 miles of range per EPA tests. For those tracking autonomous vehicle advancements, Tesla's focus on efficiency and lightweight design in the Cybercab could signal a strategic competitive edge in urban autonomous transport solutions.

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