High Quality Content by WIKIPEDIA articles! The Bluesmobile is a 1974 Dodge Monaco sedan that was prominently featured in the 1980 film, The Blues Brothers. In the film, it is described as a used Mount Prospect police car that replaced a Cadillac, which Elwood Blues traded for a microphone. The Bluesmobile was equipped with the "440 Magnum" squad car package that was offered by Dodge for the Monaco. Its license plate was an Illinois plate reading, "BDR 529", a tribute to the Black Diamond Riders of Toronto, Canada at 529 Jarvis Street.Dan Aykroyd, co-writer of the film, stated that he chose the 440 Dodge Monaco because he considered it to be the hottest car used by police during the 1970s.