Established in 1987 under Group A rules the series saw champions like Johnny Cecotto, Roberto Ravaglia and Nicola Larini winning the title before switching to Supertouring regulations in 1993.

The first season of D2 Class saw the battel between Roberto Ravaglia with BMW 318i, Fabrizio Giovanardi with Peugeot 405 and Gabriele Tarquini with Alfa Romeo 155.

The Audi 80 Quattro was immediately competitive and thanks to 6 wins and 5 seconds place Emanuele Pirro won the 1994 Italian Superturismo Championship against the Alfa driver Antonio Tamburini.

The 1996 saw the triple battle between Rinaldo Capello with A4 Quattro and the 2 ex F1 drivers Emanuele Naspetti and Johnny Cecotto both with BMW 320i.

The final Round in Vallelunga elected Rinaldo Capello as Italian Champion although the big effort of BMW who raced with 6 cars.

In 1999 Audi officially withdrew to focus on Le Mans Project, letting just Alfa and BMW to fight for the title.

In 2006 SEAT joined the championship as a full works team with two Leóns driven by Roberto Colciago and Davide Roda.