There is a black Mazda RX8 found in the background of Footloose at approximately 8:00 into the film. The scene is at a car dealership and the RX8 is parked between a white sedan and a silver (or white) Mini Cooper. Attached is a screencap from my laptop. The link to this movie from IMDB is http://www.imdb.com/title/tt1068242/