Stellantis: the STLA Large platform will be available in 4 versions, with different engines

Just over a year ago, Stellantis lifts the veil on STLA Large, a modular platform designed to support the future of the Group's large sedans and SUVs, including Alfa Romeo, Maserati, Dodge, Chrysler and Jeep. While we already knew that this architecture would offer 400V or 800V variants, with batteries up to 118 kWh and thermal, hybrid and 100 % electric compatibility, new information we've gathered today gives us a better understanding of the various variants planned. And there are four of them.

One platform... and four variants!

Contrary to what its unique name might suggest, STLA Large is not a monolithic platform. Stellantis has actually developed four technical variationseach with its own specific engine, transmission and architecture features. In theory, all engine types are possible on these platforms, starting with BEV 400V/800V, EP6 1.6L to V6 (Euro7), not forgetting GME T4 and GME T6.

	Car	FWD	RWD	AWD	Motors
STLA Large LP1	D6C (Charger), C6X		Yes	Yes	BEV, GME T6
STLA Large LP2	D6S, W5U, J5U (Recon), J5O, Cherokee	Yes		Yes	BEV, EP6 1.6L
STLA Large LP3	A5U (Stelvio), A5S (Giulia), M6U (Maserati Levante)		Yes	Yes	BEV
STLA Large LP4	J6U (Grand Cherokee), Durango		Yes	Yes	GME T6

LP1: the sedan platform

The first declination, LP1, is already well known thanks to the new electric Dodge Charger. Designed for the North American market, it combines rear- and four-wheel drive, and can accommodate both electric and internal combustion 100 % engines. The GME T6 (3.0L Hurricane) is confirmed alongside BEV versions.

LP2: priority to the 1.6 hybrid

The second variant, LP2, is reserved for American crossovers such as the Jeep Cherokee and its Dodge derivative. It features the EP6 1.6L full hybrid engine, produced in the United States, and is based on a front- or all-wheel drive architecture. The emphasis here is on affordable electrification.

LP3: the most European

LP3 is the one we're most interested in, since it directly concerns the future Alfa Romeo Giulia, Stelvio and Maserati Levante. It's a "BEV first" architecture, with a flat floor and priority given to rear-wheel drive. Officially, only the electric version has been confirmed. However, Alfa Romeo has confirmed that hybrid versions are being studied. Persistent rumors point to parallel development of a GME 2.0L hybrid, with an electrified ZF gearbox. This would be a way for Alfa Romeo not to abandon combustion engines altogether, especially for its most loyal customers.

Interesting detail: LP3 would be referred to internally as platform specific to Alfa and Maserati. A return of the V6, desired by Cristiano Fiorio, cannot be ruled out for Alfa Romeo, and would also be available from Maserati. For the moment, however, there's no concrete information on this subject.

LP4: for big SUVs

Finally, LP4 is aimed at very large SUVs like the Grand Cherokee. It shares many features with the STLA Frame, but remains in line with the STLA Large logic. GME T6 engines are expected to accompany the Group's next generation of large vehicles. There's even talk that it could eventually replace STLA Frame.

An ultra-flexible platform

With this four-variant structure, STLA Large is much more than a modular platform. It becomes a strategic tool for Stellantis to ensure the transition to electric vehicles, while retaining the possibility of offering combustion or hybrid models according to markets, brands and needs.

This technical breakdown also enables optimized management of manufacturing costs, while ensuring a certain differentiation between the Maserati, Alfa Romeo, Jeep and Dodge brands.

And for Alfa Romeo and Maserati?

Many questions remain. Giulia and Stelvio are due to make their comeback in hybrid versions around 2027. However, LP3 seems to be planned for 100 % electric models. Will the platform be adapted, or will the models be adapted on an LP1 platform?

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