A full-size car is a marketing term used in North America for an automobile larger than a mid-size car. In the United States, the EPA uses the term "large car" to denote full-size cars.
The Buick Park Avenue is a full-size luxury car built by General Motors and sold by its Buick division. The nameplate was first used in 1977 as a top trim level of the Buick Electra, a sub-model in 1985 and the Park Avenue became a solo model for the 1991 model year, replacing the Electra. Two generations of the Park Avenue were manufactured in the United States until 2005, while in 2007 the nameplate was revived on a large Buick sedan built by Shanghai GM for the Chinese market. The nameplate is derived from to the affluent New York City boulevard, Park Avenue.
The Buick Electra was a full-size premium automobile built by the Buick division of General Motors. The Electra name was used in numerous designations by Buick from 1959 to 1990.
The Roadmaster was an automobile built by the Buick division of General Motors. Roadmasters produced between 1936 and 1958 were built on Buick's longest non-limousine wheelbase and shared their basic structure with entry-level Cadillac and, after 1940, senior Oldsmobiles. Between 1946 and 1957 the Roadmaster served as Buick's flagship, and when it was resurrected for the 1991 through 1996 model years it was the marque's largest vehicle.