| 11.10.1958 | LCCC Oulton Park [S2.0 EX] | 51 | Giulietta | E. P. Foden | Peter Foden | 5th |
| 12.10.1958 | Riverside [GM+HM+GP+HP] | 15 | Giulietta | John English | John English | 9th |
| 12.10.1958 | SCCA Regional Wilmot [GP+HM] | 15 | Giulietta | Bob Lyon | | 1st |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 20 | Giulietta Veloce | Robert Patton | Robert Patton | 21st |
| 12.10.1958 | Riverside [GM+HM+GP+HP] | 33 | Giulietta | Chuck Nelson | Chuck Nelson | 12th |
| 12.10.1958 | SCCA Regional Wilmot [GP+HM] | 81 | Giulietta | Lee Hall | | 2nd |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 115 | Giulietta Veloce | Frank Aldhous | Frank Aldhous | DNA |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 197 | Giulietta Veloce | Mike Roetnor | Mike Roetnor | 18th |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 263 | Giulietta Veloce | | European Motors | DNF |
| 12.10.1958 | 6 h Venice | | Giulietta Spider Veloce | Durant / Lacey | | ?th |
| 18.10.1958 | Preliminary Lime Rock [GT] | 19 | Giulietta | David Knott | | ?th |
| 18.10.1958 | Preliminary Lime Rock [GT] | 53 | Giulietta Sprint | Norman Webb | | 3rd |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 6 | Giulietta Veloce | Jim Silberman | | 1st |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 32 | Giulietta Veloce | Ray Anderson | | 3rd |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 43 | Giulietta Veloce | Ernest Browning | | 8th |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 53 | Giulietta Veloce | Norman Webb | | 7th |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 55 | Giulietta Veloce | Bob Rubin | | 4th |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 66 | Giulietta Veloce | Robert Pettit | | 5th |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 82 | Giulietta Veloce | Barry Budlong | | 2nd |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 83 | Giulietta Veloce | Malcolm Donaldson | | 9th |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 84 | Giulietta Veloce | Joe Cologero | | 10th |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 141 | Giulietta Veloce | Asher Chapman | | raced |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 147 | Giulietta Veloce | Collier Miller | | raced |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 505 | Giulietta Veloce | Charles Bellini | | 6th |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | | Giulietta | | | raced |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | | Giulietta | | | raced |
| 25.10.1958 | Preliminary Minden [FP+GP+HP] | | Giulietta Veloce | Frank Vernon | | 2nd |
| 26.10.1958 | SCCA Regional Dothan [MGA+GP+HP+HM] | 12 | | Harry Harkins | Harry Harkins | DNA |
| 26.10.1958 | SCCA Regional Dothan [DP+EP+XK+Veloce] | 16 | Giulietta Veloce | Dave Dean | David Dean | DNA |
| 26.10.1958 | SCCA Regional Dothan [DP+EP+XK+Veloce] | 17 | Giulietta Veloce | Everett / Everett | S. K. Everett | DNA |
| 26.10.1958 | Vineland [GP+HP+JP] | | Giulietta Veloce | Hal Dougherty | | 2nd |
| 26.10.1958 | Vineland [GP+HP+JP] | | Giulietta Veloce | Wynn Kramarsky | | 1st |
| 26.10.1958 | Vineland [GP+HP+JP] | | Giulietta Veloce | Jim Silberman | | DNF |
| 26.10.1958 | Vineland [GP+HP+JP] | | Giulietta | Jim Guthrie | | DNF |
| 26.10.1958 | SCCA Regional Dothan [MGA+GP+HP+HM] | | Giulietta Sprint | | | 2nd |
| 26.10.1958 | Modena [Sports] | | Giulietta Sprint | Umberto Melotti | | 6th |
| 26.10.1958 | SCCA Regional Dothan [DP+EP+XK+Veloce] | | Giulietta Veloce | | | ?th |
| 26.10.1958 | SCCA Regional Dothan [DP+EP+XK+Veloce] | | Giulietta Veloce | | | ?th |
| 26.10.1958 | Modena [GT] | | Giulietta Sprint Veloce Zagato | "Kim" | | 2nd |
| 26.10.1958 | Modena [GT] | | Giulietta Sprint | Felice Pomati | | 3rd |
| 1.11.1958 | Preliminary Palm Springs [FP+GP+HP] | 3 | Giulietta Veloce | Martin Hosch | Marty Hosch | ?th |
| 1.11.1958 | Preliminary Palm Springs [FP+GP+HP] | 711 | Giulietta Veloce | Penny Wilson | Penny Wilson | DNA |
| 1.11.1958 | Preliminary Regional Oklahoma [Ladies] | | Giulietta Veloce | Vee Grimm | | 1st |
| 1.11.1958 | 4 h Cape Town | | Giulietta TI | Pieterse / Pieterse | | 3rd |
| 1.11.1958 | Preliminary Palm Springs [FP+GP+HP] | | Giulietta | Klaus Bythiner | | DNA |
| 2.11.1958 | SCCA National Palm Springs [EP+FP+GP+HP] | 3 | Giulietta Veloce | Martin Hosch | Marty Hosch | DNF |
| 2.11.1958 | SCCA National Palm Springs [EP+FP+GP+HP] | 711 | Giulietta Veloce | Penny Wilson | Penny Wilson | DNA |
| 2.11.1958 | SCCA Regional Oklahoma [Production 3.5+HM] | | Giulietta | Jim Mitchell | | ?th |
| 2.11.1958 | SCCA Regional Oklahoma [Production 2.0] | | Giulietta | F. L. Jones | | ?th |
| 2.11.1958 | SCCA Regional Oklahoma [Production 3.5+HM] | | Giulietta Veloce | Ernie Grimm | | ?th |
| 2.11.1958 | SCCA Regional Oklahoma [Production 2.0] | | Giulietta | Jim Mitchell | | ?th |
| 2.11.1958 | SCCA Regional Oklahoma [Production 3.5+HM] | | Giulietta | F. L. Jones | | ?th |
| 2.11.1958 | SCCA Regional Oklahoma [Production 2.0] | | Giulietta Veloce | Ernie Grimm | | ?th |
| 2.11.1958 | SCCA National Palm Springs [EP+FP+GP+HP] | | Giulietta | Klaus Bythiner | | 14th |
| 4.11.1958 | Coppa Sant Ambroeus [GT1.3] | 158 | Giulietta Sprint Veloce | | | raced |
| 4.11.1958 | Coppa Sant Ambroeus [GT1.3] | 163 | Giulietta Sprint Veloce Zagato | | | raced |
| 4.11.1958 | Coppa Sant Ambroeus [GT1.3] | 164 | Giulietta Sprint Veloce | | | raced |
| 4.11.1958 | Coppa Sant Ambroeus [GT1.3] | 165 | Giulietta Sprint Veloce Zagato | Francesco de Leonibus | Toselli | 5th |
| 4.11.1958 | Coppa Sant Ambroeus [GT1.3] | 166 | Giulietta Sprint Veloce Zagato | "Kim" | | 2nd |
| 4.11.1958 | Coppa Sant Ambroeus [GT1.3] | 167 | Giulietta Sprint Veloce | Rocco Lanzini | | 10th |
| 4.11.1958 | Coppa Sant Ambroeus [GT1.3] | 168 | Giulietta Sprint Veloce | Aristide Molteni | | 3rd |
| 4.11.1958 | Coppa Sant Ambroeus [GT1.3] | 170 | Giulietta Sprint Veloce Zagato | Ada Pace | | 1st |
| 4.11.1958 | Coppa Sant Ambroeus [GT1.3] | 174 | Giulietta Sprint Veloce | | | raced |
| 4.11.1958 | Coppa Sant Ambroeus [GT1.3] | 175 | Giulietta Sprint Veloce | Carlo Peroglio | | 4th |
| 4.11.1958 | Coppa Sant Ambroeus [GT1.3] | | Giulietta Sprint Veloce | Alma Cacciandra | | 8th |
| 4.11.1958 | Coppa Sant Ambroeus [GT1.3] | | Giulietta Sprint Veloce | Piera Bertoletti | | 6th |
| 4.11.1958 | Coppa Sant Ambroeus [GT1.3] | | Giulietta Sprint Veloce | Alfonso Thiele | | 7th |
| 4.11.1958 | Coppa Sant Ambroeus [GT1.3] | | Giulietta Sprint Veloce | Pierino Gaburri | | 11th |
| 4.11.1958 | Coppa Sant Ambroeus [GT1.3] | | Giulietta Sprint Veloce | Romolo Rossi | | 9th |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 4 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 20 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 32 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [GP+HP] | 33 | Giulietta | Chuck Nelson | | 3rd |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 41 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 49 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 62 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 63 | Giulietta Veloce | Willie West | | 2nd |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 78 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 120 | Giulietta Veloce | John R. Webb | John Webb | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 139 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 148 | Giulietta Veloce | Steve Froines | Stephen Froines | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 197 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 215 | Giulietta Veloce | Frank Aldhous | | 1st |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 258 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 358 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [GP+HP] | 500 | Giulietta | Dick Hayward | | 1st |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 711 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 888 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | | Giulietta Veloce | Tom Handley | Tom Hendley | DNA |
| 15.11.1958 | 9 h Johannesburg | 11 | Giulietta Sprint Veloce | Boyden / Lupini | Scuderia Lupini | raced |
| 15.11.1958 | 9 h Johannesburg | 16 | Giulietta TI | Pieterse / Pieterse | Scuderia Lupini | 3rd |
| 15.11.1958 | 9 h Johannesburg | 17 | Giulietta TI | Bosman / Hedge | Scuderia Lupini | 12th |
| 15.11.1958 | 9 h Johannesburg | 18 | Giulietta TI | Howell / de Lange | Scuderia Lupini | 5th |
| 16.11.1958 | SCCA Regional Marlboro [EP+FP+GP+HP+HM+FIII] | 6 | Giulietta Veloce | Jim Silberman | | 3rd |
| 16.11.1958 | Preliminary Marlboro [FP+GP] | 6 | Giulietta Veloce | Jim Silberman | | 1st |
| 16.11.1958 | Preliminary Marlboro [FP+GP] | 32 | Giulietta Veloce | Ray Anderson | | 2nd |
| 16.11.1958 | SCCA Regional Marlboro [EP+FP+GP+HP+HM+FIII] | 32 | Giulietta Veloce | Ray Anderson | | DNF |
| 16.11.1958 | SCCA Regional Marlboro [EP+FP+GP+HP+HM+FIII] | 60 | Giulietta Veloce | Don Erlbeck | | DNF |
| 16.11.1958 | SCCA Regional Marlboro [EP+FP+GP+HP+HM+FIII] | 92 | Giulietta Veloce | Steve McClellan | | 7th |
| 16.11.1958 | Preliminary Marlboro [FP+GP] | 92 | Giulietta Veloce | Steve McClellan | | 4th |