Frank Diefenbacher

Frank Diefenbacher (born 19 March 1982 in Pforzheim) is a German auto racing driver.

[1] In 2003 Diefenbacher was signed by SEAT Sport for their European Touring Car Championship campaign.

In 2003 he beat teammate Jordi Gené in the final standings to finish 15th, and finished 11th in 2004, tied on points with new teammate and experienced touring car driver Rickard Rydell.

He was not retained by SEAT for their World Touring Car Championship campaign in 2005.

He did join the RS Line team to compete in selected rounds.