| Pos |
No |
Pilote |
Voiture |
Temps |
| 1 | 1 | Arturo Merzario/Jacky Ickx | Alfa Romeo 33TT12 | 1:48,830 |
| 2 | 5 | J-P Jabouille/Gérard Larrousse | Alpine Renault A441 Turbo | 1:48,890 |
| 3 | 6 | Herbert Müller/Gijs van Lennep | Porsche 908/3-6 | 1:50,840 |
| 4 | 14 | Jochen Mass/Tim Schenken | Gulf Mirage GR7 Ford | 1:51,070 |
| 5 | 9 | Reinhold Jöst/Mario Casoni | Porsche 908/3 Turbo | 1:52,260 |
| 6 | 7 | Leo Kinnunen/Herbert Müller/Gijs van Lennep | Porsche 908/3-6 Turbo | 1:52,640 |
| 7 | 2 | Henri Pescarolo/Derek Bell | Alfa Romeo 33TT12 | 1:53,600 |
| 8 | 24 | John Hine/Ian Grob | Chevron B31 Ford-Hart | 1:53,670 |
| 9 | 28 | Cosimo Turizio/Carlo Bilotti | Lola T294 BMW | 1:53,690 |
| 10 | 8 | Lella Lombardi/Marie-Claude Beaumont | Alpine Renault A441 | 1:55,940 |
| 11 | 3 | J-P Jarier/J-P Beltoise | Ligier JS2 Ford | 1:56,550 |
| 12 | 4 | Jean-Louis Lafosse/François Migault | Ligier JS2 Ford | 1:57,670 |
| 13 | 32 | Gianfranco Trombetti/Lorenzo Niccolini | Osella PA3 Ford | 1:59,780 |
| 14 | 36 | Diulio Truffo/Marco Crosina | Osella PA3 Ford | 2:01,150 |
| 15 | 25 | Pedro de Lamare/Antonio Neto | Lola T294 Ford | 2:01,610 |
| 16 | 11 | Jürgen Barth/Ernst Kraus/Mario Casoni | Porsche 908/3 | 2:01,740 |
| 17 | 19 | Vittorio Mascari/Mario Facca | GRD S74 Ford | 2:02,300 |
| 18 | 33 | Roby Filannino/Ermanno Pettiti | Osella PA3 Ford | 2:02,600 |
| 19 | 41 | Claudio Francisci/Roberto Marazzi/Bruno Del Fante | Chevron B23 Ford | 2:03,510 |
| 20 | 39 | Francesco Cerulli-Irelli/'Bramen' | AMS 274 Ford | 2:04,080 |
| 21 | 45 | John Fitzpatrick/Toine Hezemans | Porsche Carrera RSR | 2:04,820 |
| 22 | 52 | C.Schickentanz/H. Bertrams/Reine Wisell | Porsche Carrera RSR | 2:05,780 |
| 23 | 27 | Dario Cusani/Domenico Giannotti | Lola T294 Ford | 2:06,330 |
| 24 | 44 | Manfred Schurti/Toine Hezemans/John Fitzpatrick | Porsche Carrera RSR | 2:06,900 |
| 25 | 51 | H.Bertrams/Reine Wisell/C.Schickentanz | Porsche Carrera RSR | 2:06,950 |
| 26 | 16 | 'Amphicar'/Mario Savona | Chevron B26 Ford | 2:08,010 |
| 27 | 54 | Claude Haldi/Jean-Claude Bering | Porsche Carrera RSR | 2:08,180 |
| 28 | 46 | Giorgio Schön/Giovanni Borri | Porsche Carrera RSR | 2:08,210 |
| 29 | 42 | 'Pibo'/Marcello Gallo | Lola T282 Ford | 2:08,540 |
| 30 | 35 | Pasquale Anastasio/Salvatore Pellegrino | Chevron B23 Ford | 2:08,630 |
| 31 | 49 | Gabriele Gottifredi/Giuseppe Schenetti | De Tomaso Pantera | 2:10,450 |
| 32 | 38 | Eris Tondelli/Mauro Nesti | Chevron B31 Ford | 2:14,270 |
|
1000 km de Mugello 1975