New multifunctional platform from Stellantis

Stellantis unveiled its all-new, highly flexible, BEV-native platform, called STLA Large, which is the foundation for a wide range of upcoming vehicles for global markets in the D and E segments.

24 Stel BEV1

The platform enables several segment-leading capabilities, including embedded energy, charging efficiency, high-performance vehicle dynamics and Trail Rated off-road driving. Full-size vehicles based on STLA Large are the core of customer demand in prime global markets and will be used first in the North American market on Dodge and Jeep® brands, followed by other brands, including Alfa Romeo, Chrysler and Maserati. There will be eight vehicles launched from 2024-2026.

“Our goals for our STLA platforms are ambitious but this is what our customers need from us today,” Stellantis CEO Carlos Tavares says. “Creating a family of vehicles from a well-engineered set of components that is flexible enough to cover multiple vehicle types and propulsions, overperforming any of our current products, will address each of our iconic brands’ customers. The flexibility and agility of this platform are its hallmark and will be a driving force for our success in the shift to electrification in North America.”

The advantages of the new platform from Stellantis.

STLA Large is one of four global BEV platforms, outlined on EV Day 2021, which underpin the Company’s future products and are key to achieving the bold targets of the Stellantis Dare Forward 2030 strategic plan. It is the second platform to be revealed following the release of best-in-class STLA Medium in July 2023. STLA Large will be installed in several plants in Europe and North America and will be available in multi-energy variants, including hybrid and internal combustion. The iconic brands of Stellantis will tailor STLA Large vehicles to best fit the needs and desires of their customers, ranging from family-orientated to high performance to highly capable off-road 4x4 to luxury.

The flexibility includes the unibody platform’s propulsion systems. STLA Large is designed and engineered as a native BEV platform with the option of 400-volt and 800-volt electric architectures. Three-in-one electric drive modules (EDMs) that incorporate the motor, power inverter and gear reduction can be configured in front-wheel-drive, rear-wheel-drive and all-wheel-drive layouts. The power inverter employs silicon carbide semiconductor technology to minimise power losses.

Based on specific vehicle objectives, STLA Large accepts drivetrain enhancements such as limited slip differentials or wheel-end disconnects that can improve performance or reduce mechanical drag to improve efficiency and range. Overall, the STLA Large platform has the potential of carrying extreme power that will outperform any of the existing Hellcat V-8s.

Embracing the importance of balancing driving range and cost, the platform initially includes battery pack options with energy ratings of between 85 and 118 kilowatt hours (kWh). STLA Large targets an overall range of 800 km for sedans.

The initial generation of propulsion components holds the potential to deliver acceleration of 0-100 km/h in the 2-second range. Fast charging will add up to 4.5 kWh per minute to the 800-volt battery pack.

STLA Large also supports hybrid and internal combustion propulsion systems without compromising key vehicle capabilities. The flexibility provides a bridge for customers around the world during the transition to electric propulsion and the development of a robust and widely available charging network. Design flexibility includes transverse and longitudinal engine mounting configurations, supporting FWD/RWD/AWD drivetrains.

The four Stellantis global BEV platforms – Small, Medium, Large and Frame – are designed and engineered for extended life cycles via the interchangeability of battery-cell chemistry, EDMs, power inverters and software control.

Stellantis is investing more than €50 billion over the next decade in electrification to deliver on the targets of reaching a 100% passenger car BEV sales mix in Europe and 50% passenger car and light-duty truck BEV sales mix in the United States by 2030.

Stellantis plans to have 48 BEVs on the market by 2024 and is on track to become a carbon net zero corporation by 2038, all scopes included, with single-digit percentage compensation of remaining emissions.

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