As of 2021, Romain Grosjean has an estimated net worth of around $15 million. This impressive sum reflects his success and achievements in Formula 1, as well as his business ventures outside of the track. Despite facing challenges and setbacks in his career, Grosjean has remained dedicated and passionate about racing, earning him a strong reputation within the motorsport community. With his talent and determination, he continues to be a force to be reckoned with on the Formula 1 circuit.