アルトゥーロ・メルツァリオ
Several teams from the previous year entered once more, including Project Four, GS Tuning, Eggenberger Racing, Cassani Racing, and Schnitzer Motorsport. Newcomers included personal teams from Arturo Merzario, Dieter Quester, and Helmut Marko, as well as Swiss sportscar manufacturer Sauber.