A rare four-door convertible, a 320-cubic-inch straight-eight, and 40 years with the same family. This 1940 Buick Roadmaster ...
The Buick Super was introduced for the 1940 model year. As a full-size model, it fit in the Buick lineup between the Buick Special and the top-of-the-line Buick Roadmaster. The Super would be in ...