Like many other Detroit metal creations, the Buick Wildcat started as a concept car, evolved into a trim level, and finally secured an assembly line all .
As the Thunderbird was seeing impressive popularity and sales, GM wanted to cash in on its own interpretation of powerful luxury with the Buick Riviera.
In the 21st century, the LS/LT V8 is the king of General Motors performance cars. Apart from a couple of bespoke Cadillac V8s here and there, the LS pull.