| 5.1.2004 | Daytona Test | 30 | #ZAMBC38B 000008940 | Anthony Lazzaro | Risi Competizione | 38th |
| 5.1.2004 | Daytona Test | 33 | #ZAMBC38B 000008937 (MTL01) | Earle / Assentato / Longhi | Scuderia Ferrari of Washington | 45th |
| 1.2.2004 | 24 h Daytona | 30 | #ZAMBC38B 000008940 | Lazzaro / Kelleners / Bobbi | Risi Competizione | 26th |
| 1.2.2004 | 24 h Daytona | 33 | #ZAMBC38B 000008937 (MTL01) | de Simone / Earle / Assentato / Longhi | Scuderia Ferrari of Washington | 37th |
| 28.2.2004 | 250 mile Homestead | 33 | #ZAMBC38B 000008937 (MTL01) | Earle / Assentato | Scuderia Ferrari of Washington | 22nd |
| 28.2.2004 | 250 mile Homestead | 34 | #MTL-05 | Assentato / Longhi | Ferrari of Washington | DNA |
| 28.3.2004 | Italian GT Imola | 202 | #01-04 | Giudici / Raimondi | Jolly Club Italia | 20th/13th |
| 28.3.2004 | Italian GT Imola | 205 | | Cipolli / Corradi | Cipolli | 15th/16th |
| 10.4.2004 | 250 mile Phoenix | 33 | #ZAMBC38B 000008937 (MTL01) | Barbosa / Assentato / Earle | Scuderia Ferrari of Washington | 34th |
| 10.4.2004 | 250 mile Phoenix | 34 | #MTL-05 | Assentato / Longhi | Ferrari of Washington | DNA |
| 18.4.2004 | Italian GT Monza | 202 | #01-04 | Giudici / Raimondi | Jolly Club Italia | 15th/15th |
| 18.4.2004 | Italian GT Monza | 205 | | Cipolli / Corradi | Giorgio Cipolli | 18th/17th |
| 18.4.2004 | Italian GT Monza | 206 | | Strano / Piacentini | Guiseppe Strano | 14th/16th |
| 2.5.2004 | Italian GT Magione | 202 | #01-04 | Giudici / Raimondi | Jolly Club Italia | 12th/16th |
| 2.5.2004 | Italian GT Magione | 205 | | Cipolli / Corradi | Giorgio Cipolli | 11th/14th |
| 2.5.2004 | Italian GT Magione | 206 | | Strano / Piacentini | Giuseppe Strano | DNF/15th |
| 16.5.2004 | Italian GT Mugello | 202 | #01-04 | Giudici / Raimondi | Jolly Club Italia | 10th/16th |
| 16.5.2004 | Italian GT Mugello | 205 | | Cipolli / Corradi | Giorgio Cipolli | 14th/13th |
| 16.5.2004 | Italian GT Mugello | 206 | | Strano / Piacentini | Italian Racing Team | 9th/10th |
| 23.5.2004 | 6 h Mont-Tremblant | 33 | #ZAMBC38B 000008937 (MTL01) | Barbosa / Assentato / Earle | Scuderia Ferrari of Washington | 16th |
| 30.5.2004 | Italian GT Pergusa | 202 | #01-04 | Raimondi / Giudici | Jolly Club Italia | 9th/12th |
| 30.5.2004 | Italian GT Pergusa | 205 | | Corradi / Cipolli | Giorgio Cipolli | 10th/10th |
| 30.5.2004 | Italian GT Pergusa | 206 | | Piacentini / Strano | Giuseppe Strano | 17th/DNF |
| 13.6.2004 | Italian GT Misano | 202 | #01-04 | Giudici / Raimondi | Jolly Club Italia | 13th/13th |
| 13.6.2004 | Italian GT Misano | 205 | | Cipolli / Corradi | Giorgio Cipolli | 15th/14th |
| 13.6.2004 | Italian GT Misano | 206 | | Piacentini / Montermini | Massimo Piacentini | 19th/DNS |
| 20.6.2004 | 6 h Watkins Glen | 33 | #ZAMBC38B 000008937 (MTL01) | Barbosa / Assentato / Earle | Scuderia Ferrari of Washington | 22nd |
| 20.6.2004 | 6 h Watkins Glen | 34 | #MTL-05 | Assentato / Barbosa / Longhi | Ferrari of Washington | DNA |
| 1.7.2004 | 250 mile Daytona | 33 | #ZAMBC38B 000008937 (MTL01) | Earle / Assentato | Scuderia Ferrari of Washington | 21st |
| 1.7.2004 | 250 mile Daytona | 34 | #MTL-05 | Assentato / Barbosa | Ferrari of Washington | DNA |
| 18.7.2004 | Italian GT Misano | 63 | | Ferroni / Bompani | Massimo Poli | DNS |
| 18.7.2004 | Italian GT Misano | 205 | | Cipolli / Corradi | Giorgio Cipolli | 12th/12th |
| 7.8.2004 | 250 mile Mid-Ohio | 33 | #ZAMBC38B 000008937 (MTL01) | Assentato / Barbosa / Earle | Scuderia Ferrari of Washington | 18th |
| 13.8.2004 | 200 mile Watkins Glen | 33 | #ZAMBC38B 000008937 (MTL01) | Earle / Assentato | Scuderia Ferrari of Washington | 27th |
| 13.8.2004 | 200 mile Watkins Glen | 34 | #MTL-05 | Assentato / Barbosa | Ferrari of Washington | DNA |
| 19.9.2004 | 250 mile Homestead II | 33 | #ZAMBC38B 000008937 (MTL01) | Assentato / Earle | Scuderia Ferrari of Washington | 24th |
| 19.9.2004 | Italian GT Vallelunga | 202 | #01-04 | Giudici / Raimondi | Jolly Club Italia | 10th/DNF |
| 19.9.2004 | Italian GT Vallelunga | 205 | | Cipolli / Corradi | Giorgio Cipolli | DNF/13th |
| 3.10.2004 | 400 km Virginia | 33 | #ZAMBC38B 000008937 (MTL01) | Barbosa / Assentato / Earle | Scuderia Ferrari of Washington | 12th |
| 3.10.2004 | 400 km Virginia | 34 | #MTL-05 | Grala / Segal | Scuderia Ferrari of Washington | 26th |
| 10.10.2004 | 250 mile Barber | 33 | #ZAMBC38B 000008937 (MTL01) | Barbosa / Assentato / Earle | Scuderia Ferrari of Washington | 30th |
| 10.10.2004 | Spanish GT Jerez | 34 | #01-04 | Giudici / Larini | Gianni Giudici | 5th/DNF |
| 10.10.2004 | 250 mile Barber | 34 | #MTL-05 | Segal / West | Scuderia Ferrari of Washington | 15th |
| 31.10.2004 | 400 km Fontana | 33 | #ZAMBC38B 000008937 (MTL01) | Assentato / Earle | Scuderia Ferrari of Washington | 16th |
| 31.10.2004 | 400 km Fontana | 34 | #MTL-05 | Segal / Buchwald | Scuderia Ferrari of Washington | DNS |
| 14.11.2004 | Spanish GT Barcelona | 34 | #01-04 | Nannini / Larini | Gianni Giudici | 30th |