Tesla reveals it has expanded its Robotaxi fleet in Austin

Tesla revealed that it has expanded its Robotaxi fleet in Austin, Texas, but has not yet disclosed the exact number of vehicles currently operating as driverless ride-hailing cars in the city.

Before Tesla launched the Robotaxi fleet in Austin on June 22, CEO Elon Musk stated that the fleet would be initially small, comprised of between ten and twenty vehicles in total.

The small fleet size was a way to limit rides and not overwhelm the company as it launched into a new territory: offering driverless rides to those looking to get around Austin. With safety being prioritized, it was understood.

However, there has never been an exact count of the Robotaxi fleet size, and Tesla continues to speak in cryptic fashion, only hinting at what the number of active vehicles could be.

On Tuesday, it expanded its geofence for the third time, increasing the service area in Austin beyond the downtown area and into the suburbs, including the airport and even the Gigafactory Texas.

Tesla one-ups Waymo once again with latest Robotaxi expansion in Austin

The size of the geofence is now 173 square miles, up from 91 square miles, which is what it grew to in early August with its second expansion.

The company also said it “increased the number of cars available by 50 percent,” but would not give an exact count:

Increased service area from 91 to 173 sq miles

Also increased # of cars available by 50%

— Tesla Robotaxi (@robotaxi) August 27, 2025

Skeptics of the Robotaxi platform usually point to two things: the presence of a Safety Monitor in the vehicle and the lack of transparency regarding fleet size.

Tesla has done an excellent job of expanding the service area over the past two months, but it is also expanding the number of people it allows to hail a Robotaxi.

This makes the need for an increased fleet size more imperative.

However, no good reason comes to mind for the company not to tell an exact number, but there are certainly reasons for it. Grok suggests the Robotaxi fleet could be anywhere from 30 to 75 vehicles in total, but this includes the Bay Area.

Musk did say Tesla is working to get the Bay Area fleet to over 100 vehicles. Hopefully, some clarification regarding fleet size will be provided in the coming weeks or months as the service area in Austin continues to expand.

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