| 21.6.1964 | 24 h Le Mans | 40 | Giulia TZ | Rolland / Masoero | Scuderia St. Ambroeus | DNF |
| 21.6.1964 | 24 h Le Mans | 41 | Giulia TZ | Sala / Biscaldi | Scuderia St. Ambroeus | 15th |
| 21.6.1964 | GP Mugello | 51 | 2600 Sprint | Raffaello Ciarpaglini | | DNA |
| 21.6.1964 | 24 h Le Mans | 57 | Giulia TZ | Bussinello / Deserti | Scuderia St. Ambroeus | 13th |
| 21.6.1964 | GP Mugello | 65 | Giulia TI | Adolfo Tedeschi | | raced |
| 21.6.1964 | GP Mugello | 83 | Giulietta | Pietro Pupeschi | | DNA |
| 21.6.1964 | GP Mugello | 85 | Giulietta | Aldo Nicosia | | DNA |
| 27.6.1964 | SCCA Regional Watkins Glen [FP] | 4 | Giulietta | Fred Dawson | Scuderia Bonaqura | DNA |
| 27.6.1964 | SCCA Regional Watkins Glen [FP] | 11 | Giulietta | Robert Anzalone | Robert Anzalone | DNF |
| 27.6.1964 | SCCA Regional Watkins Glen [FP] | 17 | Giulietta | Marvin Cohen | Marvin Cohen | 6th |
| 27.6.1964 | SCCA Regional Watkins Glen [CP+DP+EP] | 34 | Giulietta Veloce | Hugh Wise | | 16th |
| 27.6.1964 | SCCA Regional Watkins Glen [FP] | 39 | Giulietta | Eugene Ribas | Eugene F. Ribas | 4th |
| 28.6.1964 | USRRC-GT Watkins Glen | 22 | Giulia TZ | Chuck Stoddard | Stoddard Imported Cars | 6th |
| 28.6.1964 | DARM GT Avus | | Giulietta Sprint Speciale | Joachim Sodtke | | ?th |
| 28.6.1964 | DARM GT Avus | | Giulia TZ | Herbert Wrobel | | DNF |
| 28.6.1964 | DARM GT Avus | | Giulia TZ | Hans Stahlberg | | ?th |
| 28.6.1964 | DARM GT Avus | | Giulietta Veloce | Dieter Sommer | | ?th |
| 28.6.1964 | DARM GT Avus | | Giulietta Sprint Zagato | Walter Bachmann | | DNF |
| 28.6.1964 | DARM GT Avus | | Giulietta Veloce | Werner Buls | | ?th |
| 4.7.1964 | Martini Trophy Silverstone | 8 | Giulia TZ | Peter Sadler | Staffs Racing Partnership | DNA |
| 4.7.1964 | Preliminary Aspen [Novice] | | | Dave Dean | George Hitte | 3rd |
| 5.7.1964 | SCCA National Lake Garnett [EP+FP] | 25 | | R. K. Knox | R. K. Knox | 7th |
| 5.7.1964 | SCCA National Lake Garnett [EP+FP] | 38 | Giulietta Veloce | Walter McCray | Walter B. McCray | 6th |
| 5.7.1964 | DARM GT Norisring [GT1.6] | 84 | Giulia TZ | Herbert Wrobel | | DNF |
| 5.7.1964 | DARM GT Norisring [GT1.3] | 107 | Giulietta Sprint Zagato | Gebi Lippuner | | ?th |
| 5.7.1964 | DARM GT Norisring [GT1.3] | 109 | Giulietta Sprint Zagato | Heinrich Wirth | | ?th |
| 5.7.1964 | DARM GT Norisring [GT1.3] | 111 | Giulietta Sprint Zagato | Georg Moritz | | DNS |
| 5.7.1964 | DARM GT Norisring [GT1.3] | 115 | Giulietta Sprint Veloce | Nick Ukmar | | ?th |
| 5.7.1964 | SCCA Divisional Courtland [Modified+AP+BP+CP+DP+Sedan+1.3] | | Zagato | Bruce Weiland | | 8th |
| 5.7.1964 | SCCA Divisional Courtland [EP+FP+GP+HP+HM+Sedan 1.3] | | | Rasey Feezell | | 3rd |
| 5.7.1964 | MWCSCC Meadowdale [FP+GP+HP+Sedan] | | | Quin Calhoun | | DNF |
| 11.7.1964 | GP Brands Hatch [GT] | 43 | Giulia TZ | Peter Sadler | British Zagato Limited | DNA |
| 11.7.1964 | SCCA Regional Lime Rock [FP] | | | Tom Flaherty | | 3rd |
| 12.7.1964 | SCCA Divisional Mid-Ohio [FP+?] | | | Robert Lilienthal | | DNS |
| 18.7.1964 | Preliminary Virginia [AP+BP+CP+DP+CM+DM+EM+FM+GM] | 66 | Zagato | Bruce Wieland | | 6th |
| 18.7.1964 | Preliminary Virginia [EP] | 98 | Giulietta Veloce | Rasey Feezell | | 2nd |
| 19.7.1964 | USRRC Greenwood | 5 | Giulia TZ | Chuck Stoddard | Stoddard Imports | 15th |
| 19.7.1964 | SCCA Regional Virginia [EP] | 26 | | Barnes / Crook | | DNA |
| 19.7.1964 | 6 h Interlagos | 28 | Giulia | Gancia / Zambello | | 2nd |
| 19.7.1964 | SCCA Regional Virginia [FP+GP+HM] | 38 | | Frank Miller | | DNA |
| 19.7.1964 | SCCA Regional Virginia [EP] | 64 | | Edw. Kapplinger | | DNA |
| 19.7.1964 | SCCA Regional Virginia [AP+BP+CP+DP+CM+DM+EM+FM+GM] | 66 | Zagato | Bruce Wieland | | 6th |
| 19.7.1964 | Preliminary Virginia [AP+BP+CP+DP+CM+DM+EM+FM+GM] | 66 | | Bruce Wieland | | 4th |
| 19.7.1964 | SCCA Regional Virginia [EP] | 98 | Giulietta Veloce | Rasey Feezell | | DNF |
| 19.7.1964 | Preliminary Virginia [EP] | 98 | Giulietta Veloce | Rasey Feezell | | 1st |
| 26.7.1964 | SCCA Regional Nelson Ledges [EP] | 5 | Giulietta Spider Veloce | Douglas Miller | Douglas Miller | DNA |
| 26.7.1964 | SCCA Regional Nelson Ledges [EP] | 55 | Giulietta Veloce | Rod Allen | Rod Allen | 3rd |
| 26.7.1964 | 24 h Spa | 103 | 2600 Sprint Bertone | Galimberti / Facetti | | 3rd |
| 26.7.1964 | 24 h Spa | 308 | Giulia TI Super | de Leonibus / Di Bona | Jolly Club | 15th |
| 26.7.1964 | 24 h Spa | 309 | Giulia TI Super | de Adamich / Munaron | | 5th |
| 26.7.1964 | 24 h Spa | 310 | Giulia TI Super | Sevaux / Naneix | | DNF |
| 26.7.1964 | 24 h Spa | 311 | Giulia TI Super | Bianchi / Masoero | | 4th |
| 26.7.1964 | 24 h Spa | | 2600 Sprint | Rolland / Pagnon | | DNS |
| 26.7.1964 | 24 h Spa | | Giulia TI Super | Castellano / Crawley | | DNS |
| 26.7.1964 | 24 h Spa | | Giulia TI Super | Vianini / Balzarini | | DNS |
| 1.8.1964 | DARM GT Nürburgring | 15 | Giulia TZ | Herbert Schultze | Herbert Schultze | 9th |
| 1.8.1964 | DARM GT Nürburgring | 16 | Giulia TZ | Hans Stahlberg | Hans Stahlberg | 16th |
| 1.8.1964 | DARM GT Nürburgring | 32 | Giulietta Sprint Zagato | Gebi Lippuner | Squadra Foitek | 22nd |
| 1.8.1964 | DARM GT Nürburgring | 33 | Giulietta Sprint Zagato | Heinrich Wirth | Squadra Foitek | 21st |
| 2.8.1964 | SCCA National Lynndale Farms [CP+DP+EP] | 11 | | Werner Frank | | 5th |
| 2.8.1964 | SCCA National Lynndale Farms [FP+HM] | 17 | | Paul Tenney | | 7th |
| 2.8.1964 | SCCA National Lynndale Farms [FP+HM] | 27 | | Jim Walter | | 8th |
| 2.8.1964 | SCCA National Lynndale Farms [CP+DP+EP] | 69 | | Tom Gallagher | | 9th |
| 2.8.1964 | SCCA Divisional Kent [GP+HP+Sedan] | | Giulietta TI | Howard Jackson | | ?th |
| 8.8.1964 | SCCA Regional Connellsville | 21 | | Al Cook | | DNA |
| 9.8.1964 | SCCA Divisional Connellsville [EP] | 5 | Giulietta Spider Veloce | Douglas Miller | D. L. Miller | raced |
| 9.8.1964 | USRRC-GT Meadowdale | 5 | Giulia TZ | Chuck Stoddard | Stoddard Imported Cars, Inc. | 6th |
| 9.8.1964 | Hill Climb Schauinsland | 17 | Giulietta Sprint Zagato | Wolfram Spintzik | Wolfram Spintzik | DNA |
| 9.8.1964 | Hill Climb Schauinsland | 22 | Giulietta | Frank Fess | Frank Fess | 43rd |
| 9.8.1964 | Hill Climb Schauinsland | 34 | Giulia TZ | Herbert Schultze | Herbert Schultze | DNA |
| 9.8.1964 | Trophées du Cognac | 51 | Giulietta Sprint Zagato | Dan Blain | Les Chouans | DNA |
| 9.8.1964 | Trophées du Cognac | 57 | Giulietta Sprint Zagato | Michel Billard | Michel Billard | DNA |
| 9.8.1964 | Kanonloppet | 62 | Giulia TI Super | Andrea de Adamich | | raced |
| 9.8.1964 | SCCA Divisional Connellsville [EP] | 64 | Giulietta Veloce | George Hodgdon | | DNA |
| 9.8.1964 | SCCA Divisional Connellsville [EP] | 65 | Giulietta Veloce | Rod Allen | | DNA |
| 9.8.1964 | SCCA Divisional Connellsville [EP] | 98 | Giulietta Veloce | Herman Melotti | | DNA |
| 9.8.1964 | MWCSCC Lynndale Farms [EP+FP+GP] | | | Dennis Herschberger | | 5th |
| 16.8.1964 | Coppa Citta di Enna | 2 | Giulia TZ | Salvatore Panepinto | | 5th |
| 16.8.1964 | Coppa Citta di Enna | 4 | Giulia TZ | Antonio Nicodemi | | DNS |
| 16.8.1964 | Coppa Citta di Enna | 6 | Giulia TZ | Giampiero Biscaldi | | DNS |
| 16.8.1964 | SCCA Regional San Luis Obispo [FP] | 8 | Giulietta | Vic Provenzano | Motor Cars Unltd. | DNA |
| 16.8.1964 | Coppa Citta di Enna | 8 | Giulia TZ | "Kim" | | DNA |
| 16.8.1964 | SCCA Regional San Luis Obispo [EP] | 9 | Giulietta Spider | Frank Smith | Frank Smith | DNA |
| 16.8.1964 | Coppa Citta di Enna | 10 | Giulia TZ | Vito Tipa | | 7th |
| 16.8.1964 | SCCA Regional San Luis Obispo [EP] | 48 | Giulietta Sp. | Donald Derengowski | Donald Derengowski | DNA |
| 16.8.1964 | SCCA Regional San Luis Obispo [EP] | 70 | Super Spider | Pete Zarcades | Pete Zarcades | 3rd |
| 16.8.1964 | SCCA Regional San Luis Obispo [EP] | 198 | Giulietta Sp. | Lloyd Berghagen | Lloyd Berghagen | DNA |
| 16.8.1964 | SCCA Regional San Luis Obispo [EP] | 297 | Giulietta Veloce | John Shankle | John D. Shankle | DNA |
| 16.8.1964 | DARM GT Neubiberg [GT1.6] | | | Herbert Schultze | | 1st |
| 16.8.1964 | DARM GT Neubiberg [GT1.6] | | | Herbert Wrobel | | 3rd |
| 16.8.1964 | DARM GT Neubiberg [GT1.3] | | | Walter Bachmann | | 4th |
| 16.8.1964 | Falls Creek [DP+EP] | | Giulietta Veloce | Herman Melotti | | ?th |
| 22.8.1964 | SCCA National Watkins Glen [FP] | 16 | | Eugene Ribas | Eugene F. Ribas | 16th |
| 22.8.1964 | SCCA National Watkins Glen [FP] | 17 | | Robert Anzalone | Robert C. Anzalone | DNA |
| 22.8.1964 | SCCA National Watkins Glen [FP] | 73 | Giulietta Spider | Stephen Jank | Checkpoint Racing Division | 11th |
| 23.8.1964 | National Zeltweg [GT] | 14 | Giulia TI | Hans Bauer | Hans Bauer | raced |
| 23.8.1964 | National Zeltweg [GT] | 20 | Giulietta Sprint Zagato | Bruno Martellanz | Ö. A. S. C. Wien | raced |
| 23.8.1964 | National Zeltweg [GT] | 21 | Giulietta | Josef Peter Moser | Josef Peter Moser | DNA |
| 23.8.1964 | National Zeltweg [GT] | 22 | Giulietta Spider | Karl Jeremian | Fa. Richard Teyrowsky | raced |
| 23.8.1964 | SCCA Divisional Newport [FP+HM+Sedan] | | Giulietta TI | Bob Kaleta | | ?th |