Stellantis plans 4 extremely modular platforms to underpin electrical autos throughout its various vary of manufacturers, together with many to be bought within the U.S.
The platforms embrace the STLA Small, STLA Medium, STLA Massive, and STLA Body, and are designed with commonality and updatability of components in thoughts, particularly in relation to the battery and electrical drive items (usually the electrical motor, transmission, and inverter).
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Stellantis supplied particulars on the STLA Medium platform final summer season, and has since began rolling out some EVs primarily based on the platform exterior the U.S. The automaker final week supplied particulars on the STLA Massive platform which is able to underpin its first autos later this yr.
The STLA Massive is designed for D and E phase autos, which correspond to bigger compact and midsize autos within the U.S. For full-size electrical vans and SUVs, Stellantis will use the STLA Body platform. Stellantis mentioned the utmost size for STLA Massive-based autos will likely be 201.8 inches. Rugged off-road autos can even be supported, as a result of platform’s help for floor clearances as excessive as 11.3 inches and tire diameters of virtually 33 inches.
Teaser picture of electrical Dodge Challenger successor
Stellantis confirmed there will likely be eight autos primarily based on the STLA Massive platform launched from 2024 to 2026. These will cowl the manufacturers Alfa Romeo, Chrysler, Dodge, Jeep, and Maserati. A few of the recognized autos embrace the Dodge Challenger/Charger successor due late this yr, in addition to Alfa Romeo’s replacements for the Giulia and Stelvio. Jeep’s upcoming Wagoneer S and Recon SUVs will seemingly even be primarily based on the STLA Massive platform.
There will likely be each 400- and 800-volt variations, the latter enabling fast charging utilizing DC fast-chargers (as much as 4.5 kwh per minute). And to spice up effectivity, dual-motor all-wheel-drive configurations could have a disconnect function to cut back mechanical drag. The facility inverters additionally use silicon carbide semiconductor expertise that Stellantis mentioned helps decrease energy losses.
STLA Massive platform
Preliminary battery sizes will vary between 85 and 118 kwh, with Stellantis estimating that some fashions will have the ability to obtain as much as 500 miles of vary, seemingly measured on the WLTP cycle used abroad, a extra lenient cycle than what the EPA makes use of.
Different efficiency estimates, relying on the automobile and its specific configuration, embrace 0-62 mph occasions within the two-second vary.
The platform additionally options Stellantis’ new electrical structure, generally known as STLA Mind, which allows software program updates to be simply applied.
Although the platform is designed with EVs in thoughts, it may possibly additionally help fuel and hybrid powertrains, in each transverse and longitudinal configurations. This strengthens rumors the upcoming Charger successor, in addition to different STLA Massive-based autos, will provide a selection between and fuel and electrical energy.
STLA Massive platform
Do not rely on a V-8 being provided, a minimum of from the manufacturing facility. Stellantis is phasing out the V-8 throughout its lineup. Probably the most highly effective fuel engine will seemingly be Stellantis’ twin-turbocharged 3.0-liter inline-6 generally known as the Hurricane, which can be paired with a hybrid system to take energy ranges past that of the present supercharged 6.2-liter V-8 generally known as the Hellcat.
Stellantis mentioned the STLA Massive platform has the potential to pack “excessive energy” that can outperform any of the prevailing Hellcat V-8s.