Stellantis Accelerates Autonomous Driving and Tests Solid-State Batteries

Key Facts

1Stellantis is road testing Factorial's FEST solid-state battery technology in a Dodge Charger Daytona prototype.

2The company is partnering with Wayve and Uber for Level 4 robotaxi deployment and road testing.

In a strategic move to bolster its position in the electric vehicle and software-defined mobility markets, Stellantis is accelerating its next-generation technology roadmap. The automaker is currently road testing Factorial's FEST solid-state battery technology within a Dodge Charger Daytona prototype. Additionally, according to reports, the company is partnering with Wayve and Uber for the deployment and testing of Level 4 robotaxis.

These initiatives arrive as competition intensifies with rivals like Tesla and BYD, forcing legacy automakers to innovate rapidly to protect margins. Per market data, the automotive sector remains under pressure, making the promise of solid-state batteries—which can offer up to 50% higher energy density than lithium-ion cells—a critical differentiator. This shift aligns with the company's long-term strategy to transition its entire portfolio to electric power.

Regarding market performance, Stellantis (STLAP.PA) shares stood at 5.59 EUR at the close on June 19, 2026, trading within a daily range of 5.55 to 5.67 EUR. Investors are now looking toward upcoming macro catalysts, including a speech by ECB President Christine Lagarde on June 15, 2026, which may impact broader industrial sentiment across European markets.