Born 3 July 1987, the German Formula One racing driver is 25 years old and not married at the time of writing. However, he is dating his high school sweet heart Hanna Prater who is 0f German and British descent. Prater is a year younger than Sebastian and currently lives in Germany.

The couple try to keep their privacy at the best, so there is not much information about Hanna. Also Hanna rarely goes to watch Sebastian's race as Sebastian wants to keep his professional life separate from his private life and 100% focus on the race. It is known that she has studied textile and design at Baden-Wurttemberg University.