| 2 | Thomas / Sage / *Guilhaudin | Société Automobiles Alpine (F) | | Alpine | A110 | | Renault | GT1.3 |
| 4 | Petruzzi / Porro | Antonio Petruzzi | | Alfa Romeo | Giulietta Sprint Zagato | | Alfa Romeo | GT1.3 |
| 6 | Cheinisse / Hanrioud | Société Automobiles Alpine (F) | | Alpine | A110 | | Renault | GT1.3 |
| 8 | di Belmonte / Piccione | Aretusa | | Alfa Romeo | Giulietta Sprint Zagato | | Alfa Romeo | GT1.3 |
| 10 | "Bit" / Garofalo | Scuderia Pegaso | | Alfa Romeo | Giulietta Sprint Zagato | | Alfa Romeo | GT1.3 |
| 12 | Merendino / Trapani | Alfonso Merendino | | Alfa Romeo | Giulietta Sprint Zagato | | Alfa Romeo | GT1.3 |
| 14 | Lo Piccolo / Sutera | Scuderia Pegaso (I) | | Alfa Romeo | Giulietta Sprint Zagato | | Alfa Romeo | GT1.3 |
| 16 | Santoro / Mirto Randazzo | Scuderia Pegaso | | Alfa Romeo | Giulietta Sprint Zagato | | Alfa Romeo | GT1.3 |
| 20 | Garufi / di Salvo | Guido Garufi (I) | | Abarth-Simca | 1300 | Bialbero | Abarth | GT1.3 |
| 22 | Vinatier / Delageneste | Société Automobiles Alpine (F) | | Alpine | A110 | | Renault | GT1.3 |
| 24 | Laureati / Fabri | Sagittario (I) | | Abarth-Simca | 1300 | Bialbero | Abarth | GT1.3 |
| 26 | Calascibetta / Virgilio | Abarth & Cie (I) | | Abarth-Simca | 1300 | Bialbero | Abarth | GT1.3 |
| 28 | Giliberti / Knörr | Abarth & Cie (I) | | Abarth-Simca | 1300 | Bialbero | Abarth | GT1.3 |
| 30 | Gambero / Bonaccorsi | Scuderia Etna (I) | | Abarth-Simca | 1300 | Bialbero | Abarth | GT1.3 |
| 34 | Messina / Carpinteri | Aretusa | | Alfa Romeo | Giulietta Sprint Speciale | | Alfa Romeo | GT1.3 |
| 36 | Battista / Monaco | Scuderia Etna | | Alfa Romeo | Giulietta Sprint Zagato | | Alfa Romeo | GT1.3 |
| 38 | Donato / Montalbano | Nettuno | | Abarth-Simca | 1300 | Bialbero | Abarth | GT1.3 |
| 40 | Asciutto / Gagliardo | Giuseppe Asciutto | | Alfa Romeo | Giulietta Sprint | | Alfa Romeo | GT1.3 |
| 42 | Lisitano / Patti | Franco Lisitano | | Alfa Romeo | Giulietta Sprint Speciale | | Alfa Romeo | GT1.3 |
| 44 | Hopkirk / Hedges | British Motor Corporation (GB) | Dick Jacobs | MG | Midget | | BMC | GT1.3 |
| 46 | Demetz / Zucchi | Abarth & Cie | | Abarth-Simca | 1300 | Bialbero | Abarth | GT1.3 |
| 48 | "The Tortoise" / "Ben Hur" | "The Tortoise" | | Alfa Romeo | Giulietta Sprint Zagato | | Alfa Romeo | GT1.3 |
| 52 | Zuccoli / Zeccoli | Autodelta (I) | | Alfa Romeo | Giulia TZ | | Alfa Romeo | GT1.6 |
| 54 | Capra / Pinchetti | Scuderia Sant'Ambroeus (I) | | Alfa Romeo | Giulia TZ | | Alfa Romeo | GT1.6 |
| 56 | Gargano / Denza | Apulia | | Alfa Romeo | Giulia TZ | | Alfa Romeo | GT1.6 |
| 58 | Sirugo / Arena | Scuderia Etna | | Alfa Romeo | Giulia TZ | | Alfa Romeo | GT1.6 |
| 60 | Benini / Frola | Apulia | | Alfa Romeo | Giulia TZ | | Alfa Romeo | GT1.6 |
| 64 | Bussinello / Todaro | Autodelta (I) | | Alfa Romeo | Giulia TZ2 | | Alfa Romeo | GT1.6 |
| 70 | Bianchi / Rolland | Autodelta (I) | | Alfa Romeo | Giulia TZ | | Alfa Romeo | GT1.6 |
| 72 | Panepinto / Parla | Salvatore Panepinto (I) | Salvatore Panepinto | Alfa Romeo | Giulia TZ | | Alfa Romeo | GT1.6 |
| 82 | Maestrini / Rinaldi | Giancarlo Maestrini | | Porsche | 904 | GTS | Porsche | GT2.0 |
| 90 | Andrea Vianini | Porsche System Engineering (D) | | Porsche | 904 | GTS | Porsche | GT2.0 |
| 94 | Pucci / Klass | Porsche System Engineering (D) | | Porsche | 904 | GTS | Porsche | GT2.0 |
| 96 | Ennis / Swanson | Arthur W. Swanson | | Abarth-Simca | 2000 GT | | Simca | GT2.0 |
| 102 | de Bourbon-Parme / Bourillot | Scuderia Filipinetti (CH) | Georges Filipinetti | Ferrari | 250 GTO | | Ferrari | GT3.0 |
| 106 | Raimondo / Lo Jacono | Scuderia Pegaso | | Lancia | Flaminia | Cabriolet | Lancia | GT3.0 |
| 108 | Hawkins / Mäkinen | British Motor Corporation (GB) | | Austin-Healey | 3000 | Mk III | BMC | GT3.0 |
| 110 | Scimone / Mantia | Scuderia Pegaso (I) | | Lancia | Flaminia | Sport Zagato | Lancia | GT3.0 |
| 112 | Mosca / Marchesi | A. Bossa (I) | Sergio Marchesi | Ferrari | 250 GTO | | Ferrari | GT3.0 |
| 114 | Capuano / Latteri | Scuderia Pegaso (I) | | Ferrari | 250 GTO | | Ferrari | GT3.0 |
| 116 | "Bouchon" / Sauer | "Bouchon" | | Ferrari | 250 GT | Lusso | Ferrari | GT3.0 |
| 118 | Ravetto / Starrabba | Scuderia Pegaso (I) | | Ferrari | 250 GTO | 64 | Ferrari | GT3.0 |
| 132 | Taramazzo / Sigala | Scuderia Sant Ambroeus (I) | | Ferrari | 250 LM | | Ferrari | GT-N+2.5 |
| 136 | Nicodemi / Lessona | Antonio Nicodemi | | Ferrari | 250 LM | | Ferrari | GT-N+2.5 |
| 138 | Bettoja / de Adamich / Casoni | Jolly Club (I) | Sergio Bettoja | Ferrari | 250 LM | | Ferrari | GT-N+2.5 |
| 140 | Toppetti / Grana | Cesare Toppetti | | Ferrari | 250 LM | | Ferrari | GT-N+2.5 |
| 152 | Herrmann / Cella | Abarth & Cie (I) | | Abarth | 1600 OT | Spider | | P1.6 |
| 154 | Aaltonen / Baker | British Motor Corporation (GB) | | Austin-Healey | Sprite | | BMC | P1.6 |
| 158 | "Kim" / Bardini | Scuderia Sant'Ambroeus (I) | | ASA | RB613 | | ASA | P1.6 |
| 162 | Pianta / Bassi | Scuderia Sant'Ambroeus (I) | | ASA | RB613 | | ASA | P1.6 |
| 164 | Bianchi / Grandsire | Société Automobiles Alpine (F) | | Alpine | M65 | | Renault | P1.6 |
| 166 | Federico / Cabral | Autodelta - Pegaso (I) | | Alfa Romeo | Giulia Sprint GTA | | Alfa Romeo | P1.6 |
| 174 | Bonnier / Hill / *Davis / *Mitter | Porsche System Engineering (D) | | Porsche | 904 | /8 | Porsche | P2.0 |
| 176 | Maglioli / Linge | Porsche System Engineering (D) | | Porsche | 904 | /6 | Porsche | P2.0 |
| 178 | Crosina / Maglioli | HF Squadra Corse (I) | | Lancia | Flavia | Sport | Lancia | P2.0 |
| 182 | Davis / Mitter / *Bonnier / *Hill | Porsche System Engineering (D) | | Porsche | 904 | /8 Bergspyder | Porsche | P2.0 |
| 184 | Tagliavia / Semilia | Scuderia Pegaso | | Ferrari | 500 TRC | | Ferrari | P3.0 |
| 192 | Harper / Jones | Vita Foam Racing Team (GB) | | Sunbeam | Tiger | | Ford | P+3.0 |
| 194 | Bondurant / Whitmore | Ford Advanced Vehicles (GB) | | Ford | GT40 | Roadster | Ford | P+3.0 |
| 196 | Biscaldi / Deserti | Ferrari SEFAC (I) | | Ferrari | 275 GTB | /C | Ferrari | P+3.0 |
| 198 | Vaccarella / Bandini | Ferrari SEFAC (I) | | Ferrari | 275 P2 | | Ferrari | P+3.0 |
| 202 | Scarfiotti / Parkes | Ferrari SEFAC (I) | | Ferrari | 275 P2 | | Ferrari | P+3.0 |
| 204 | Guichet / Baghetti | Ferrari SEFAC (I) | | Ferrari | 275 P2 | | Ferrari | P+3.0 |
| T | Vaccarella / Bandini / Guichet / Baghetti / Scarfiotti / Parkes | SpA Ferrari SEFAC (I) | | Ferrari | 275 GTB | | Ferrari | P+3.0 |
| T | Maglioli / Linge | Porsche System Engineering (D) | | Porsche | 911 | | Porsche | GT2.0 |
| T | Pucci / Klass | Porsche System Engineering (D) | | Porsche | 904 | /6 | Porsche | P2.0 |