Stellantis, the automaker formed by the merger of Fiat Chrysler Automobiles and PSA Group, has announced plans to introduce four highly modular platforms to underpin vehicles across its brands. These platforms, known as the STLA Small, STLA Medium, STLA Large, and STLA Frame, are designed with a focus on commonality of parts, particularly in the drive unit that combines an electric motor with a transmission and inverter.
The STLA Medium platform will be the first to enter production, and it is designed for compact and mid-size vehicles. It is expected to debut in a redesigned Peugeot 3008 compact crossover towards the end of this year. The platform will initially offer two battery options, with the larger one (Performance pack) having a usable capacity of 98 kWh, providing a range of about 370 miles according to EPA measurements. The smaller battery (Standard pack) will offer a range of approximately 265 miles.
The batteries used in the STLA Medium platform will feature 400-volt technology, enabling relatively quick charging times. Stellantis estimates that a 20-80% charge can be achieved in around 27 minutes using a DC fast charger. Additionally, some of Stellantis’ EV platforms will utilize even faster-charging 800-volt batteries.
Vehicles based on the STLA Medium platform will be available with either front-wheel drive or all-wheel drive, with the latter achieved through the use of an electric motor at each axle. Power outputs will range from 214 to 382 horsepower.
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Aside from the STLA Medium, Stellantis has also developed the STLA Small, which will be used for mini and subcompact vehicles. On the other end of the spectrum, the STLA Large is designed for premium mid-size and large vehicles, and it will be featured in Dodge’s electric vehicle based on the Charger Daytona SRT concept, set to arrive in 2024.
Furthermore, Stellantis has introduced the STLA Frame platform, which is specifically designed for body-on-frame vehicles such as pickup trucks, SUVs, and vans. The first application of the STLA Frame platform will be the Ram 1500 REV, expected to launch in 2024 with a targeted range of up to 500 miles.
Stellantis has built these platforms with future-proofing in mind, ensuring they can accommodate future battery chemistries, including those that are nickel- and cobalt-free or even solid-state solutions. The platforms’ electrical architecture, known as STLA Brain, also allows for easy implementation of software updates.
While Stellantis may be slightly behind its competitors in the electric vehicle market, the company is determined to catch up quickly. It aims to achieve an electric vehicle sales mix of 50% in the United States by 2030 and 100% in Europe by the same year.
In conclusion, Stellantis is introducing four highly modular platforms, with the STLA Medium platform being the first to enter production. These platforms are designed to accommodate a range of vehicles, from compact crossovers to premium sedans and pickup trucks. With a focus on commonality of parts and the ability to adapt to future battery technologies, Stellantis is positioning itself to become a major player in the rapidly evolving electric vehicle market.
