Musk Announces 40 kWh Silver Cybercab, Down From 47.6 kWh

Musk Announces 40 kWh Silver Cybercab, Down From 47.6 kWh

The Cybercab is set to gain a smaller battery and a new finish. Elon Musk said on X that “there are efficiency improvements coming that will allow for a 40kWh Cybercab pack,” adding that Tesla “will make this in liquid silver, so the colors are not too monotonous.”

Musk did not provide a timeline for when the updated Cybercab will arrive.

Smaller 40 kWh Pack

The current Cybercab uses a 47.6 kWh battery pack with Tesla’s dry-cathode 4680 cells. It is already among the most efficient vehicles, achieving just over 6 miles per kWh and about 293 miles of EPA-adjusted range.

Switching to a 40 kWh pack would shrink capacity by about 16%. Musk did not share range figures for the new version, though the efficiency gains suggest little to no loss in range.

A smaller pack should also reduce weight and cost. The current Cybercab weighs 3,113 lbs, and a lighter battery could push it under 3,000 lbs. Tesla designed the pack with room for cheaper LFP cells, as highlighted by Munro Live’s recent Cybercab teardown, and the modules can be swapped individually.

Liquid Silver Joins Gold

To date, every Cybercab has been gold. Tesla does not paint the Cybercab; instead, it colors the body panels during molding using reaction injection molding, which mixes pigment into the plastic before injection. That process yields today’s glossy gold finish, so the liquid silver version will likely have a similar shine.

A second color should also help riders distinguish vehicles more easily, alongside the RGB light bar on the nose that indicates which car is assigned.

More Cybercabs on the Way

Tesla is already scaling up Cybercab production. Giga Texas is reportedly adding a night shift to double production, and Tesla will end Cybertruck production in mid-2027 to free additional space for the Cybercab.

With Cybercab rides set to expand beyond Austin this month and the first customer deliveries targeted by the end of the year, the silver Cybercab could start appearing on roads sometime in 2027.