You guys need to see these numbers because they don't make sense β€” and that's the point. The Cybercab is rated at 165 Wh/mile, which is roughly 6 miles of driving on a single kilowatt-hour of power. For context, the Lucid Air β€” widely considered the industry efficiency leader β€” gets about 230Wh/mi. That means this tiny two-seater is nearly 30 percent more efficient than one of the most optimized EVs in existence. Why does that matter? Because Tesla plans to run these vehicles for roughly 20 hours a day as robotaxis, and having 6 Wh per kWh instead of the typical 3 or 4 makes the difference between sustainable fleet operation and constant charging downtime.

The secret sauce is weight reduction through extreme simplification β€” there's no steering wheel or most traditional controls because it's built for full autonomy. The curb weight sits at 3,113 pounds, which is about 700 pounds lighter than even the stripped-down Model 3. That lightness lets a modest battery deliver massive range: Tesla filed an unadjusted lab estimate of 418 miles with the EPA (which usually translates to around 290-300 real-world). Under the hood, there's one permanent magnet motor putting out 326 kW and charging at 326kW from a 48kWh pack. The only thing missing is an actual deployment plan β€” as of mid-June they have fewer than 60 Model Y robotaxis across several Texas cities despite Musk's public pledge for half the US by year-end, and no date was given for when Cybercabs will actually hit roads in Las Vegas or Florida.

Source: https://www.theverge.com/transportation/950596/tesla-cybercab-efficient-weight-range-epa