The Buick Century model name was first used in 1936 to denote Buick's first car that could reach speeds of 100 mph. The model lasted through the 1942 model year, when WWII affected all auto manufacturers. It was revived in 1954 but only lasted 4 years, and once again the Century was brought back in 1973 when it enjoyed a longer lifespan, lasting through 1985.
The Buick Electra enjoyed 40 years of production, and was Buick's full size premium model. The Electra borrowed many feature's from Cadillac, allowing it to fit in the higher end GM model line.
The Buick GS, short for "Gran Sport", started out as an option on the 1965 Skylark. the 1965 Skylark Gran Sport was Buick's entrance into the muscle car market, and in 1967 it became a seperate model line named "GS". By 1970 the Buick GS had an optional 455 V8 engine, making it one of the most formidable muscle cars available. By 1973 the GS tag was again used as a trim option on models from the Skylark, to the Century, and Apollo before it disappeared at the end of the 1975 model year.
The Buick LeSabre became the longest run for a full size luxury car by Buick, with over 6 million built between 1959 and 2005. the LeSabre was the entry level model of Buick, replacing the Buick Special. By the 1990's, the LeSabre had been reduced to a mid size model and became nearly identical to other GM models and lost it;s prestigeness along the Buick line.
The Buick Regal was introduced in 1973 as a mid sized luxury model, and is considered GM's last attempts to compete against sporty luxury imports. V8 engines were available early on, but by the 1980's the V6 became the standard. The "Grand National" and the famed "GNX" models of the 1980's are highly collectible and command premium dollars. Their performance is stellar as well, with their turbo charged V6 engines.
Throughout it's model life, the Buick Riviera represented the latest styling and performance trends from Buick. the Riviera attempted to capture the European styling and performance of the era in an American automobile. The early Riviera's have are highly collectible, especially the 1971 through 1973 "boat tail" designs..
The Buick Skylark made a brief appearance for the 1953 and 1954 model years, when it was available as a limited production model to commemorate the 50th anniversary of Buick. the name was revived for the 1961 model year for an intermediate sport coupe. The Skylark would eventually become the base model for the famed Buick GS model.
The Wildcat started as a subseries of the Buick Invicta in 1962, and it became it's own model line between 1963 and 1970. The Wildcat was the beginning of the performance era for Buick, although the Wildcat was considered a luxury coupe. The Wildcat sported some of the largest available engines from Buick, but performance was hampered by the extreme weight of these large cars, reaching over 4,500 lbs.