After joining newly promoted Serie A club Piacenza in 2001, for 6 billion Lit., Dario consistently battled for the title of top scorer in Serie A (capocannonieri), coming 1st alongside David Trezeguet in the 2001–02 season, at 35 years old, with 24 goals, and 7th in 2002–03 season with 14 goals. Along with Igor Protti, Hübner is the only player to have won the top scoring titles in Serie A, Serie B, and Serie C1 (winning the Serie B top scorer title during the 1995–96 season with Cesena, scoring 22 goals, and the Serie C1, Girone A top scorer title during the 1991–92 season with Fano, scoring 14 goals. He is currently Piacenza's all-time Serie A top scorer.