| 1.9.1958 | SCCA National Thompson [GM+HM+GP+HP] | 50 | | George Fogg | | 8th |
| 1.9.1958 | SCCA National Thompson [GM+HM+GP+HP] | 71 | | John Clapp | | 7th |
| 1.9.1958 | SCCA National Thompson [GM+HM+GP+HP] | 83 | | Herbert Klay | | 9th |
| 1.9.1958 | SCCA National Thompson [GM+HM+GP+HP] | 90 | | Bob Grossman | | DNF |
| 1.9.1958 | SCCA National Thompson [GM+HM+GP+HP] | 96 | | Ed Mowle | | DNF |
| 1.9.1958 | SCCA National Thompson [GM+HM+GP+HP] | 141 | | Allan Lance | | 10th |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 6 | | David Schiff | | DNS |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 7 | | Harold Kihn | | 28th |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 17 | | George Ranney | | 7th |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 74 | | Paul Leland | | 6th |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 81 | | Lee Hall | | 11th |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 84 | | George Cheyne | | 5th |
| 7.9.1958 | 500 mile Road America | 44 | | Furey / Lapine | | DNS |
| 7.9.1958 | Coppa Inter-Europa [GT1.3] | | | Aristide Molteni | | 2nd |
| 7.9.1958 | Coppa Inter-Europa [GT1.3] | | | Piera Bertoletti | | 6th |
| 7.9.1958 | Coppa Inter-Europa [GT1.3] | | | Ettore Marconi | | 3rd |
| 13.9.1958 | Preliminary Bridgehampton [GP+HP+HM] | 41 | | Allan Lance | | 1st |
| 13.9.1958 | Preliminary Bridgehampton [GP+HP+HM] | 44 | | John Willock | | 8th |
| 13.9.1958 | Preliminary Bridgehampton [GT] | 44 | | John Willock | | 5th |
| 13.9.1958 | Preliminary Bridgehampton [GP+HP+HM] | 55 | | Bob Rubin | | 6th |
| 13.9.1958 | Preliminary Bridgehampton [GT] | 61 | | Joe Cologero | | 4th |
| 13.9.1958 | Preliminary Bridgehampton [GP+HP+HM] | 83 | | Herbert Klay | | 3rd |
| 13.9.1958 | Preliminary Bridgehampton [GT] | 119 | | David Knott | | 2nd |
| 13.9.1958 | Preliminary Bridgehampton [GP+HP+HM] | 119 | | David Knott | | 7th |
| 13.9.1958 | Preliminary Bridgehampton [GP+HP+HM] | 122 | | Louis Comito | | 2nd |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 41 | | Allan Lance | | 6th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 44 | | John Willock | | DNF |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 61 | | Joe Cologero | | 19th |
| 14.9.1958 | Preliminary Bridgehampton [Handicap] | 61 | | Joe Cologero | | 8th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 83 | | Herbert Klay | | DNF |
| 14.9.1958 | SCCA Regional Meadowdale [FP+GP+HP+HM] | 86 | | L. J. Green | | DNA |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 122 | | Louis Comito | | 8th |
| 19.9.1958 | Preliminary Watkins Glen [Ladies] | 82 | | Beulah Bailey | Barry Budlong, Jr. | 2nd |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 14 | | David Elder | David Elder | 5th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 47 | | Chuck Stoddard | | 4th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 55 | | Bob Rubin | | DNF |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 79 | | Ben Hitchcock | Ben Hitchcock | 16th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 82 | | Barry Budlong | Barry Budlong, Jr. | DNF |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 85 | | Norman Webb | Norman H. Webb, Jr. | 9th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 116 | | Ernest Browning | Ernest E. Browning | 11th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 120 | | David Schiff | David T. Schiff | DNF |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 131 | | Herman Melotti | Herman J. Melotti | 10th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 158 | | John Guthrie | | DNF |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 190 | | Bob Grossman | Robert M. Grossman | 23rd |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 211 | | Ernst Scheeder | Ernest W. Scheeder | 12th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 441 | | John Willock | John Willock | DNA |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 711 | | David Findlay | David Findlay | 13th |
| 20.9.1958 | Taça Cidade de Luanda | | | Rui Fragoso | | raced |
| 20.9.1958 | Taça Cidade de Luanda | | | Daniel de Magalhăes | | raced |
| 21.9.1958 | LISCA Lime Rock [FP+GP] | 5 | | Louis Comito | | ?th |
| 21.9.1958 | LISCA Lime Rock [FP+GP] | 51 | | Tom O'Brien | | ?th |
| 21.9.1958 | Avus [GT1.6] | 71 | | Rudolf Wilhelm Moser | Rudolf W. Moser | 8th |
| 21.9.1958 | Avus [GT1.6] | 74 | | Kurt Ahrens | Kurt Ahrens | DNA |
| 21.9.1958 | Avus [GT1.6] | 75 | | Hans-Helmuth Hespen | Helmuth Hespen | DNA |
| 21.9.1958 | Avus [GT1.6] | 77 | | Horst Estler | Horst Estler | DNA |
| 21.9.1958 | Tour de France | 135 | | Dumay / Audemard | | 18th |
| 21.9.1958 | LISCA Lime Rock [FP+GP] | 172 | | Tony Bellini | | ?th |
| 21.9.1958 | SCCA Regional Galveston [BP+CP+DP+EP+FP+GP] | | | Jerry Morton | | 7th |
| 21.9.1958 | Del Mar [Novice] | | | J. Speckins | | ?th |
| 21.9.1958 | Preliminary Galveston [EP+FP+GP] | | | Jerry Morton | | 3rd |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 65 | | Jim Greenfield | | DNF |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 145 | | Tom Pillette | | 7th |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 571 | | Don Tindall | | 6th |
| 28.9.1958 | Hourglass Field [FP+GP+HP] | | | Willie West | | 3rd |
| 28.9.1958 | Hourglass Field [FP+GP+HP] | | | Frank Aldhous | | 2nd |
| 5.10.1958 | SCCA Regional Thompson [GP+HP] | 6 | | Jim Silberman | | 1st |
| 5.10.1958 | SCCA Regional Thompson [GP+HP] | 17 | | Henry Dingley | Henry Dingley, Jr. | 8th |
| 5.10.1958 | Eifelrennen Nürburgring | 20 | | Rudolf Wilhelm Moser | Rudolf Moser | DNA |
| 5.10.1958 | Eifelrennen Nürburgring | 21 | | Hans-Helmuth Hespen | Hans Helmuth Hespen | DNA |
| 5.10.1958 | Eifelrennen Nürburgring | 25 | | Horst Estler | H. G. Estler | DNA |
| 5.10.1958 | SCCA National Virginia [FP+GP+HM] | 26 | | Don Erlbeck | | 5th |
| 5.10.1958 | Innsbruck [GT1.3] | 42 | | Kurt Rost | Kurt Rost | DNA |
| 5.10.1958 | SCCA Regional Thompson [GP+HP] | 50 | | Bud Riley | | 7th |
| 5.10.1958 | SCCA Regional Thompson [GP+HP] | 55 | | Charlie Rainville | Charles Rainville | DNF |
| 5.10.1958 | SCCA Regional Thompson [GP+HP] | 60 | | Robert Pettit | | 3rd |
| 5.10.1958 | SCCA Regional Thompson [GP+HP] | 71 | | John Clapp | | 12th |
| 5.10.1958 | SCCA Regional Thompson [GP+HP] | 72 | | Ernest Browning | | 13th |
| 5.10.1958 | SCCA Regional Thompson [GP+HP] | 79 | | Tony Bellini | | 5th |
| 5.10.1958 | SCCA Regional Thompson [GP+HP] | 83 | | Malcolm Donaldson | | 6th |
| 5.10.1958 | SCCA National Vaca Valley [BM+CM+DM+EM+FM] | 140 | | Ed Crooks | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [GM+HM+GP+HP] | 148 | | Steve Froines | | 5th |
| 5.10.1958 | SCCA Regional Thompson [GP+HP] | 155 | | Bob Rubin | | 2nd |
| 5.10.1958 | SCCA National Vaca Valley [GM+HM+GP+HP] | 166 | | Willam Cook | | 6th |
| 5.10.1958 | SCCA Regional Thompson [GP+HP] | 177 | | Ken Long | | 11th |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 20 | | Robert Patton | Robert Patton | 21st |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 115 | | Frank Aldhous | Frank Aldhous | DNA |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 197 | | Mike Roetnor | Mike Roetnor | 18th |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 263 | | | European Motors | DNF |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 6 | | Jim Silberman | | 1st |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 32 | | Ray Anderson | | 3rd |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 43 | | Ernest Browning | | 8th |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 53 | | Norman Webb | | 7th |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 55 | | Bob Rubin | | 4th |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 66 | | Robert Pettit | | 5th |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 82 | | Barry Budlong | | 2nd |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 83 | | Malcolm Donaldson | | 9th |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 84 | | Joe Cologero | | 10th |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 141 | | Asher Chapman | | raced |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 147 | | Collier Miller | | raced |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | 505 | | Charles Bellini | | 6th |