Uber Expands Autonomous Vehicle Push - Here’s Everything To Know About Its Partnership With Rivian

• Uber is set to invest up to $1.25 billion in Rivian through 2031.
• Initial launches are planned for San Francisco and Miami in 2028, with expansion to 25 cities across the U.S., Canada, and Europe by 2031.
• Uber has committed an initial $300 million investment in the EV maker.

Shares of Rivian Automotive Inc (RIVN) gave up some of their early gains to trade around 4% on Thursday morning after the electric-vehicle maker announced that Uber is set to invest up to $1.25 billion in the company through 2031.

This adds to Uber’s autonomous vehicle push through partnerships with developers like Alphabet’s Waymo and Amazon’s Zoox.

Uber To Purchase 10,000 R2 Robotaxis

As part of the deal, Uber and its fleet partners will look to purchase 10,000 fully autonomous R2 robotaxis, with the option to expand orders by up to 40,000 additional vehicles starting in 2030. These robotaxis will be available exclusively on Uber’s platform.

Initial launches are planned for San Francisco and Miami in 2028, with expansion to 25 cities across the U.S., Canada, and Europe by 2031.

Uber’s investment is subject to Rivian achieving certain autonomous milestones by specific dates. The ride-hailing services company committed an initial $300 million investment.

UBER shares were down 1% at the time of writing.

How Did Stocktwits Users React?

While retail sentiment for RIVN on Stocktwits remained ‘bearish,’ sentiment for UBER turned ‘extremely bullish’ from ‘bullish’ a day earlier, amid ‘extremely high’ message volumes.

One user believes Rivian is the future of America.

Another user highlighted Rivian’s “self-driving readiness.”

In an SEC filing on Thursday, Rivian said it no longer expects to achieve adjusted EBITDA profitability in 2027, citing higher R&D spending tied to the its autonomous driving roadmap.

Last week, Rivian Automotive unveiled pricing and trims for its R2 SUV, aimed at competing with Tesla’s Model Y. The R2 will be offered in four variants, with the Performance model launching first in spring 2026 at $57,990.

The SUV delivers up to 656 horsepower, accelerates from 0 to 60 mph in 3.6 seconds, and offers a range of up to 345 miles. It also includes Rivian’s Autonomy+ driver-assistance system.

Year-to-date, UBER stock has declined around 8% while RIVN shares have seen a steeper 16% drop.

For updates and corrections, email newsroom[at]stocktwits[dot]com.