In the world of luxury cars, Cadillac often steals the spotlight, with its reputation for opulence and innovation. Yet, in the shadows, Buick has been making significant strides. Despite its quieter brand presence, Buick has managed to surpass Cadillac in sales on several occasions. These instances, largely unnoticed by the mainstream, reveal a fascinating competitive dynamic between two of America’s most iconic automotive brands. This article delves into 15 specific instances where Buick outperformed Cadillac, challenging perceptions and showcasing Buick’s prowess in the market. Let’s explore how Buick, with its subtle charm, managed to outshine its more glamorous sibling.