The 2005 Superstars Series season was the second season of the Campionato Italiano Superstars (Italian Superstars Championship).The championship was won by Tobia Masini driving for Audi.
| Team | Cars | No. | Drivers | Rounds | |
|---|---|---|---|---|---|
 CAAL Racing | BMW M5 E39 | 1 | Francesco Ascani | All | |
| 2 | Leonardo Baccarelli | 3, 5-9 | |||
| Albert Colajanni | 2, 4 | ||||
| Lanza Motorsport | BMW M5 E39 | 5 | Mauro Simoncini | 1, 3, 5, 9 | |
| Vaccari Motori | BMW M5 E39 | 7 | Simone di Mario | 4, 7-9 | |
| 8 | 1 | ||||
| Motortech Racing | Jaguar S-Type R | 9 | Giuliano Alessi | 3-5 | |
| Stefano Bonello | 6-7, 9 | ||||
| Oscar Venturato | 9 | ||||
| 10 | Alessandro Battaglin | 3-9 | |||
| Max Team | BMW M5 E39 | 11 | Simone Galluzzo | All | |
| 12 | Fabrizio Armetta | 1-3 | |||
| Alberto Cerrai | 4 | ||||
| Albert Colajanni | 6-7 | ||||
| Scuderia La Torre | BMW M5 E39 | 14 | Riccardo Romagnoli | 1-2 | |
| I Motori di Carlotta | BMW M5 E39 | Enrico Uncini | 4 | ||
| Luca Marini | 5-6 | ||||
| 18 | Giacomo Bertola | 2-3 | |||
| Fabrizio Armetta | 4-9 | ||||
| Scuderia Bigazzi | Audi RS6 | 56 | Tobia Masini | All | |
| Santucci Motorsport | BMW M5 E39 | 60 | Diego Alessi | 9 |
| Round | Circuit | Date | Pole Position | Fastest Lap | Winning Driver | Winning Team | |
|---|---|---|---|---|---|---|---|
| 1 | Adria | 17 April | Tobia Masini | Francesco Ascani | Francesco Ascani | CAAL Racing | |
| 2 | Vallelunga | 8 March | Simone Galluzzo | Fabrizio Armetta | Simone Galluzzo | Max Team | |
| 3 | Imola | 19 June | Tobia Masini | Tobia Masini | Tobia Masini | Scuderia Bigazzi | |
| 4 | Mugello | 4 July | Simone Galluzzo | Simone Galluzzo | Simone Galluzzo | Max Team | |
| 5 | Magione | 24 July | Fabrizio Armetta | Tobia Masini | Fabrizio Armetta | I Motori di Carlotta | |
| 6 | Varano | 11 September | Simone Galluzzo | Tobia Masini | Tobia Masini | Scuderia Bigazzi | |
| 7 | Monza | 25 September | Fabrizio Armetta | Tobia Masini | Fabrizio Armetta | I Motori di Carlotta | |
| 8 | Adria | 9 October | Tobia Masini | Fabrizio Armetta | Tobia Masini | Scuderia Bigazzi | |
| 9 | Misano | 23 October | Fabrizio Armetta | Fabrizio Armetta | Fabrizio Armetta | I Motori di Carlotta |