no mention of the Chrysler “K” cars
I'd say that the K-car was mediocre, not "worst" or even all that bad. The K-cars I knew had performance and reliability on a par with the competition in that price range, and were among the first to start to compete with Japanese cars on that basis.
Incidentally, I have long believed that the K-car was an undocumented part of the government bailout of Chrysler. My theory: Someone at the GAO slipped Chrysler a copy of the government's procurement guidelines, and Chrysler designed the K-car to fit them to a tee. That big contract definitely helped with Chrysler's comeback.