| 12.4.1964 | SCCA National Marlboro [FP] | 12 | Giulietta | J. Richardson | | DNF |
| 12.4.1964 | SCCA National Marlboro [EP] | 26 | | W. F. Barnes | | DNA |
| 12.4.1964 | Aspern [S/GT] | 74 | Giulietta Sprint Zagato | P. Moser | P. Moser | DNA |
| 12.4.1964 | Aspern [S/GT] | 75 | Giulietta Sprint Zagato | Heinrich Wirth | Squadra Foitek | 16th |
| 12.4.1964 | 6 h Dakar | | 1600 TI | Dumoulin | | raced |
| 19.4.1964 | SCCA National Virginia [CP+DP+EP+FP] | 7 | | Harry Killian | | DNA |
| 19.4.1964 | Le Mans Test | 37 | Giulia TZ | Bussinello / Biscaldi | Scuderia St. Ambroeus | 13th |
| 19.4.1964 | Le Mans Test | 38 | Giulia TZ | Bussinello / Bonini | Scuderia St. Ambroeus | 16th |
| 19.4.1964 | MWCSCC Lynndale Farms [FP+GP] | 61 | Giulietta | Tom Tufts | Tom Tufts | 1st |
| 19.4.1964 | SCCA National Virginia [CP+DP+EP+FP] | 64 | | Tom Amico | | 14th |
| 19.4.1964 | MWCSCC Lynndale Farms [FP+GP] | 71 | | Quin Calhoun | Quin Calhoun | DNA |
| 19.4.1964 | Imola [GT1.3] | | Giulietta Sprint Zagato | Ottorino Volonterio | | 8th |
| 19.4.1964 | MWCSCC Lynndale Farms [HM+EP] | | Giulietta Veloce | Jerome Barnes | Jerome Barnes? | DNA |
| 19.4.1964 | MWCSCC Lynndale Farms [HM+EP] | | Giulietta Veloce | Dennis Hirschberger | Dennis Hirschberger | DNA |
| 26.4.1964 | Targa Florio | 2 | Giulietta Sprint Zagato | Tagliavia / di Salvo | Scuderia Pegaso | DNF |
| 26.4.1964 | Targa Florio | 8 | Giulietta Sprint Zagato | Panepinto / Parla | Salvatore Panepinto | 22nd |
| 26.4.1964 | Targa Florio | 10 | Giulietta Sprint Zagato | Capra / Galli | Scuderia Sant'Ambroeus | 21st |
| 26.4.1964 | Targa Florio | 14 | Giulietta Sprint Zagato | Virgilio / Monaco | Scuderia Etna | DNF |
| 26.4.1964 | Targa Florio | 16 | Giulietta Sprint Zagato | Bonaccorsi / Susinno | Scuderia Etna | DNF |
| 26.4.1964 | Targa Florio | 22 | Giulietta Sprint Zagato | Garzone / Petruzzi | Antonio Petruzzi | 19th |
| 26.4.1964 | Targa Florio | 24 | Giulietta Sprint Veloce Michelotti | Sabbia / Spampinato | Vito Sabbia | 24th |
| 26.4.1964 | Targa Florio | 28 | Giulietta Sprint Speciale | Mirto Randazzo / Crisafi | Scuderia Pegaso | 28th |
| 26.4.1964 | Targa Florio | 30 | Giulietta Sprint Zagato | Picciotto / "Bismark" | Giuseppe Picciotto | 20th |
| 26.4.1964 | Targa Florio | 32 | Giulietta Sprint Zagato | Mantia / "Etabba" | Scuderia Pegaso | DNF |
| 26.4.1964 | Targa Florio | 36 | Giulietta Sprint Zagato | Rigano / Merendino | Giovanni Rigano | 18th |
| 26.4.1964 | Coupes de Vitesse | 46 | GT | Eric Offenstadt | A.G.A.C.I. | DNA |
| 26.4.1964 | Targa Florio | 52 | Giulia Sprint | Rigamonti / Riolo | | DNS |
| 26.4.1964 | Targa Florio | 54 | Giulia Sprint | Tipa / Lombardo | Scuderia Etna | 26th |
| 26.4.1964 | Targa Florio | 58 | Giulia TZ | Bussinello / Todaro | Scuderia Sant'Ambroeus | 3rd |
| 26.4.1964 | Targa Florio | 60 | Giulia TZ | "Kim" / Thiele | Scuderia Sant'Ambroeus | 4th |
| 26.4.1964 | USRRC-GT Riverside | 61 | Giulietta Veloce | Dino Seraguso | | DNF |
| 26.4.1964 | Targa Florio | 62 | Giulia TZ | Nicodemi / Lessona | Scuderia Settecolli | 16th |
| 2.5.1964 | SCCA Regional Laguna Seca [FP+HM] | 79 | Giulietta Spider | Bill Wellborn | Bill Wellborn | DNA |
| 2.5.1964 | SCCA Regional Laguna Seca [CP+EP] | 267 | | Sig Rogers | Sig Rogers | DNA |
| 3.5.1964 | GT GP Monza | 18 | Giulietta Sprint Zagato | Ildefonso Torriani | | DNS |
| 3.5.1964 | GT GP Monza | 30 | Giulietta | Girolamo Capra | | DNA |
| 3.5.1964 | DARM GT Trier [GT1.3] | - | Giulietta Sprint Zagato | Heinrich Wirth | | 2nd |
| 3.5.1964 | SCCA Regional Kent Fields [CP+DP+EP] | | | Bill Rice | | ?th |
| 3.5.1964 | DARM GT Trier [GT1.3] | | Giulietta Veloce | Hans G. Jansen | | 7th |
| 3.5.1964 | DARM GT Trier [GT1.3] | | Giulietta Sprint Zagato | Matthias Wasel | | 6th |
| 3.5.1964 | SCCA Regional Opelousas [Production] | | | Joe Locario | | ?th |
| 10.5.1964 | ETCC Zolder [T1.6] | | Giulia TI Super | Georges Hacquin | | ?th |
| 10.5.1964 | ETCC Zolder [T1.6] | | Giulia TI Super | Lucien Bianchi | | raced |
| 10.5.1964 | ETCC Zolder [T1.6] | | Giulia TI Super | Jean-Pierre Ackermans | | raced |
| 10.5.1964 | ETCC Zolder [T+1.6] | | 2600 Sprint | Lucien Bianchi | | 5th |
| 10.5.1964 | ETCC Zolder [T1.6] | | Giulia TI Super | Ernesto Prinoth | | ?th |
| 10.5.1964 | ETCC Zolder [T+1.6] | | 2600 Sprint | Enzo Torreggiani | | raced |
| 15.5.1964 | SCCA Regional Cumberland [Novice 1] | 5 | Giulietta Spider Veloce | Douglas Miller | Douglas Miller | DNA |
| 15.5.1964 | SCCA Regional Cumberland [Novice 1] | 13 | Giulietta Veloce | George Hodgdon | George Hodgdon | DNA |
| 15.5.1964 | SCCA Regional Cumberland [Novice 1] | 17 | | J. B. Lawson | J. B. Lawson | DNA |
| 17.5.1964 | SCCA National Cumberland [EP] | 5 | | Rod Allen | Continental Sports Car, Inc. | DNA |
| 17.5.1964 | SCCA National Cumberland [EP] | 13 | Giulietta Veloce | Richard Hayes | Dick Hayes | DNA |
| 17.5.1964 | SCCA National Cumberland [EP] | 96 | Giulietta Veloce | Mortimer Ryan | Mortimer Ryan | DNA |
| 17.5.1964 | SCCA National Cumberland [EP] | 98 | Giulietta Veloce | Herman Melotti | H. J. Mellotti | DNA |
| 17.5.1964 | SCCA Divisional Hammond [EP+FP] | | Giulietta Veloce | Joe Locario | | ?th |
| 17.5.1964 | SCCA Regional Mid-Ohio [CP+DP] | | Zagato | Bruce Wieland | | ?th |
| 17.5.1964 | SCCA Divisional Hammond [EP+FP] | | Giulietta Veloce | Hugh Richards | | ?th |
| 17.5.1964 | SCCA National Cumberland [EP] | | Spyder | Thomas Abbott | Tom Abbott | DNA |
| 17.5.1964 | SCCA Divisional Del Mar [EP] | | Giulietta | Nadeene Brengle | | ?th |
| 24.5.1964 | Hill Climb Consuma | 195 | Giulietta TI | Albo Seregni Medici | | 126th |
| 24.5.1964 | Hill Climb Consuma | 196 | Giulietta TI | Alessandro Pontecchi | | 208th |
| 24.5.1964 | Hill Climb Consuma | 200 | Giulietta TI | Tristano Bindoni | | 199th |
| 24.5.1964 | Hill Climb Consuma | 201 | Giulietta TI | Libero Verda | | 67th |
| 24.5.1964 | Hill Climb Consuma | 202 | Giulietta TI | Lorenzo Bellini | | 125th |
| 24.5.1964 | Hill Climb Consuma | 205 | Giulietta TI | Ignazio Giunti | | 49th |
| 24.5.1964 | Hill Climb Consuma | 207 | Giulietta TI | Pietro Pupeschi | | 158th |
| 24.5.1964 | Hill Climb Consuma | 214 | Giulietta TI | Paolo Franchi | | DNA |
| 24.5.1964 | Hill Climb Consuma | 215 | Giulietta TI | Aldo Nicosia | | 58th |
| 24.5.1964 | Hill Climb Consuma | 219 | Giulietta TI | Franco Naldini | | 89th |
| 24.5.1964 | Hill Climb Consuma | 220 | Giulietta TI | Marcello Pagliano | | DNA |
| 24.5.1964 | Hill Climb Consuma | 221 | Giulietta | Carlo Vigoni | | DNA |
| 24.5.1964 | Hill Climb Consuma | 227 | Giulietta TI | "Poker" | | 109th |
| 24.5.1964 | Hill Climb Consuma | 229 | Giulietta TI | Giuseppe Panza | | 157th |
| 24.5.1964 | Hill Climb Consuma | 230 | Giulietta TI | Giovanni Saettone | | 114th |
| 24.5.1964 | Hill Climb Consuma | 232 | Giulietta TI | "Manuel" | | 107th |
| 24.5.1964 | Hill Climb Consuma | 234 | Giulia | Ricciardo Ricci | | DNF |
| 24.5.1964 | Hill Climb Consuma | 236 | Giulia TI | Emilio Finizio | | 140th |
| 24.5.1964 | Hill Climb Consuma | 237 | Giulia TI | Adriano Gradi | | 90th |
| 24.5.1964 | Hill Climb Consuma | 238 | Giulietta TI | Giocondo Rosatelli | | DNF |
| 24.5.1964 | Hill Climb Consuma | 239 | Giulietta TI | Salvatore Ferrera | | DNF |
| 24.5.1964 | Hill Climb Consuma | 240 | Giulietta TI | Lino Cavallari | | DNA |
| 24.5.1964 | Hill Climb Consuma | 241 | Giulia TI | Giorgio Pasqui | | 133rd |
| 24.5.1964 | Hill Climb Consuma | 247 | Giulia TI | "Matich" | | 34th |
| 24.5.1964 | Hill Climb Consuma | 248 | Giulia TI | Romano Cappio | | 74th |
| 24.5.1964 | Hill Climb Consuma | 251 | Giulia | Claudio Colagrande | | DNA |
| 24.5.1964 | Hill Climb Consuma | 263 | 2600 | Lucillo Sacchiero | | 57th |
| 24.5.1964 | Hill Climb Consuma | 265 | 2600 | "Pablito" | | 131st |
| 24.5.1964 | Hill Climb Consuma | 269 | 2600 Sprint | Raffaello Ciarpaglini | | 122nd |
| 24.5.1964 | Hill Climb Consuma | 270 | 2600 | Franco Concari | | 50th |
| 24.5.1964 | Hill Climb Consuma | 282 | Giulietta Sprint | Augusto Gori | | DNA |
| 24.5.1964 | Hill Climb Consuma | 288 | Giulietta Sprint Zagato | Rolando Tarenghi | | DNA |
| 24.5.1964 | Hill Climb Consuma | 295 | Giulietta Sprint Zagato | Romano Baroncelli | | 137th |
| 24.5.1964 | Hill Climb Consuma | 296 | Giulietta Sprint Zagato | Massimo Carnovali | | 68th |
| 24.5.1964 | Hill Climb Consuma | 298 | Giulietta Veloce | Remo Romani | | 106th |
| 24.5.1964 | Hill Climb Consuma | 300 | Giulietta Veloce | "Treu Emilio" | | DNA |
| 24.5.1964 | Hill Climb Consuma | 307 | Giulia TI | Antonio Nicodemi | | 39th |
| 24.5.1964 | Hill Climb Consuma | 308 | Giulia Sprint Speciale | Giovanni Mattioli | | 156th |
| 24.5.1964 | Hill Climb Consuma | 318 | Giulia Sprint Speciale | "Andrea" | | 59th |
| 24.5.1964 | Hill Climb Consuma | 320 | Giulia | "Rik" | | DNA |
| 24.5.1964 | SCCA Divisional Grayling [EP] | | | Pete Winberg | | 1st |