Special Interest Autos (SIA) was published monthly starting in 1970 by Hemmings Motor News. SIA foucsed on collector cars from the 1920s to the 1980s. Content included histories of specific cars, technical aspects of these cars in laymen's terms, and interviews with stylists and engineers.
An index to SIA issues can be found HERE.
Special Interest Autos had four years of publisher-provided net paid circulation data for the period included on this website. On average Hemmings published between 3,500 to 5,000 issues monthly.
A total of 201 issues were printed from September, 1970 through June, 2004. However, only cover images through 1990 are presently included.