The Packard Patrician is an automobile which was built by the Packard Motor Car Company of Detroit, Michigan, from model years 1951 through 1956. During its six years in production, the Patrician was built in Packard's Detroit facilities on East Grand Boulevard. The word "patrician" is Latin for a ruling class in Ancient Rome. It was the last "senior level" Packard until production ended in 1958.

The Packard 300 is an automobile built and sold by the Packard Motor Car Company of Detroit, Michigan for model years 1951 and 1952. The 300 represented the upper mid-range Packard model and provided better appointments than the Packard 200 or the Packard 250 models, and replaced the Packard Super Eight. The Packard Patrician 400 became the top level "senior" Packard replacing the Custom Super Eight. The 300 was positioned against the Buick Roadmaster, Cadillac Series 61, Chrysler Saratoga, Frazier Manhattan and Lincoln Cosmopolitan.