The Command version based on the same Pz.Kpfw.IV Ausf.G chassis, fitted with extra communications equipment is called the Sturmpanzer Ausf.I als Befehlspanzer.
Early-Production and Mid-Production variants of the German Brummbar, an assault infantry vehicle armed with a 15cm StuH.43 L/12 gun. Sixty vehicles rolled off the production line in November-December 1943, without machine gun in the glacis plate.