We are only showing primary body codes; there are also codes for regional and special uses, and we will be trying to add the new body codes as they show up. Updated 6/3/2025. Also see our body codes section for vintage platforms. Some of this is still in rumors form. Ram 1200 is coming in 2028-or-so, possibly on STLA Frame. Motors and electronics modules for STLA Large and Frame will be made in Indiana.
The STLA Small, Medium, and Large fit together as:
| Inches Meters |
Small | Medium* | Large** |
|---|---|---|---|
| Length |
137.8 - 177.2 |
169.3 - 192.9 4.3 - 4.9 m |
187.6 - 201.8 4.8 - 5.1 m |
| Width | 66.9 - 70.9 | 70.9 - 74.8 | 74.7 - 79.9 |
| Wheelbase | 90.6 - 106.3 2.3 - 2.7 m |
106.3 - 114.2 2.7 - 2.9 m |
113.0 - 121.1 2.87 - 3.1 m |
* So far they haven't really done much with Medium
** Based on company releases, but they probably can go bigger.
The platform can handle gasoline, hybrid, and electric vehicles from 187.6 to 201.8 inches long, with ground clearance from 5.5 to 11.3 inches, and wheelbases from 113.0 to 121.1 inches (2.9-3.1 m). That is a wide range, but it can also do FWD, RWD, and AWD; with engines mounted sideways or lengthwise. See our STLA Large page for photos, vehicle codes, and more information. The transverse mounted engine series might be limited to four cylinder turbos.
STLA Medium covers compact and midsize cars and crossovers (C and D), with sizes that would include the Renegade, Cherokee, Neon, Stratus, and even the original Duster. It is based on Peugeot e-VMP with allowances for American crash standards and electrification. Propulsion is FWD or AWD, the latter using a second electric drive unit in the rear . See our STLA Medium page for photos and more information. Gasoline engines are likely to be 1.6T and 2.0T, made in Dundee.
STLA Small is based on the Peugeot EMP/CMP platform. The most known cars on it in Europe are the Citroën C3 and Fiat Panda. In the US, the Toyota Corolla barely fits into the larger part of its range. The Renegade, if it returns to the US, may do so as a Small.
STLA Small runs from around 137.8 to 177.2 inches long, from a 90.6 to 106.3 inch wheelbase—it ends in wheelbase where STLA Medium begins. Width is 66.9 to 70.9 inches, a four-inch range. Grand clearance so far is 5.5 to 8.0 inches. There don’t appear to be plans to make STLA Small cars in the US or Canada.
STLA Frame looks more like a philosophy and shared components rather than a platform. No cars use it yet. To be transitioned: JM Wrangler, JU? Gladiator, every Ram, Wagoneer, and maybe Durango.
CUSW is loosely based on the Alfa Romeo Giulietta’s C-EVO, which was newish when Fiat took Chrysler’s reins. American engineers pushed out the length and width of C-EVO, and created space for more suspension movement in the Jeep Liberty. The Dart ended up being rather wide and heavy as a result of sharing with the Liberty, 200, and (in theory) Pacifica. Body codes are:
Derived from GM/Fiat’s SCSS, SUSW came after CUSW. The first SUSW car, the Jeep Renegade, was sent back to the engineers because it didn’t meet the program needs, resulting in a two-year reworking. The Tonale and Hornet are based on the Compass, but may not technically be SUSW.
The DT Ram 1500 is the basis for the WS Jeep Wagoneer/Grand Wagoneer. Ram 2500/3500 are on an older platform, as are the chassis cabs.
The Wrangler body and frame were modified from the old JK to fit the eight-speed transmission and 392 V8 engine. Gladiator is closely based on Wrangler.
Eventually the Wagoneer will move to STLA Frame; the Durango might or might not join it.
The Ram ProMaster might be replaced by a new van, or run as an independent series for quite some time.
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