The last year of the Prowler was the Chrysler Prowler.
Long story short, when Chrysler bought AMC to get the Jeep line, they also had what was the beginnings of a promising car line from Renault, the Medallion and the Premier.
So, Chrysler created the Eagle brand, and to fill out the line, also made the Summit (a knockoff of the Colt twins). No biggie, Plymouth had a full range of cars in its own right (Colt, Sundance, Reliant to Acclaim, Caravelle, Gran Fury).
The beginning was OK. The Talon and the Laser sold to different audiences, but then the Laser was dropped in the redesign, and the Talon never took off.
As time continued, the lines got splintered. With the advent of the Neons, the Colt/Summit and Shadow/Sundance were discontinued. Bad news: no individual identity for Plymouth and no small car for Eagle.
The LH cars really spelled the death knell for Plymouth. Eagle got the Vision to replace the Premier. Dodge got the Intrepid to replace the Lancer, the 600, the Monaco, and the Diplomat. Plymouth got the shaft.
Then the JA "cloud cars". Dodge got the mainline Stratus and Chrysler went upscale with the Cirrus. Plymouth got a stripper version called the Breeze, which only offered a 2.0 litre 4 from the Neon, an engine smaller than any offered in the other two stateside (my friend's parents in Chile have a Chrysler Stratus with the 2.0 litre).
So, Plymouth had a small car with no identity, a value leader entry-midsize car, a minivan, and the Prowler. Eagle was worse, only left with a sports coupe and a premium midsize sedan.
Basically Chrysler gutted Plymouth to try to make Eagle, and doomed them both in the process.