"Cadillac Car" is a standout track from the 2006 film *Dreamgirls*, featuring Laura Bell Bundy and Jennifer Hudson. The song captures the gritty, soulful essence of the movie's narrative, which dramatizes the rise of a fictional girl group in 1960s Detroit. As part of the *Dreamgirls* soundtrack, the recording blends classic R&B with contemporary production, reflecting the era's musical evolution. Jennifer Hudson's powerful vocals anchor the performance, delivering a vocal showcase that highlights her ability to convey raw emotion and strength. The track serves as a pivotal moment in the film, illustrating the group's journey and the challenges they face in the music industry. Its inclusion in the deluxe soundtrack underscores its significance within the broader context of the film's score and the careers of its performers.