| 8.2.1958 | Preliminary Pomona [Modified +1.5] | 171 | Special | Eric Priest | Eric Priest | DNF |
| 9.2.1958 | Consolation Pomona [Modified] | 171 | Special | Eric Priest | Eric Priest | 23rd |
| 9.2.1958 | Pomona [S+1.5] | 171 | Special | Eric Priest | Eric Priest | 11th |
| 9.2.1958 | Pomona [Ladies] | 171 | Special | Joan Hirsh | Eric Priest | 4th |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 47 | | Ronald D. Paquette | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 47 | | Ronald D. Paquette | | DNA |
| 1.3.1958 | Grand Central [Sports Handicap] | | | Francis Tucker | | 2nd |
| 22.3.1958 | Preliminary Stockton [Sedan+Ladies+MG+FIII] | 71 | PV 444 | Ron Pearson | | - |
| 22.3.1958 | Preliminary Stockton [Sedan+Ladies+MG+FIII] | 161 | | Rich Letrich | | - |
| 23.3.1958 | Preliminary Stockton [Novice Sports] | 159 | Special | Red Geesaman | | 10th |
| 5.4.1958 | 6 h South Africa | | | Tucker / Renton | | 1st |
| 12.4.1958 | Grand Central [Sports] | 12 | Californian | Francis Tucker | | raced |
| 13.4.1958 | SCCA Regional Palm Springs [FP+GP+KP] | 71 | | Ron Pearson | Ron Pearson | 15th |
| 13.4.1958 | SCCA Regional Palm Springs [FP+GP+KP] | 271 | | Joe Catron | Joe Catron | DNF |
| 13.4.1958 | Preliminary Palm Springs [Ladies+FIII] | 370 | | Joan Hirsh | | 10th |
| 20.4.1958 | SCCA Regional Galveston [FP+GP] | | | Mel Anderson | | ?th |
| 20.4.1958 | Preliminary Galveston [FP+GP] | | | Mel Anderson | | ?th |
| 27.4.1958 | SCCA Regional Lime Rock [GP+HM+Sedan] | 56 | PV 444 | Art Riley | | 9th |
| 27.4.1958 | SCCA Regional Lime Rock [GP+HM+Sedan] | 146 | | Ralph Schantz | | DNA |
| 27.4.1958 | SCCA Regional Lime Rock [GP+HM+Sedan] | 161 | PV 444 | H. Ross | | 8th |
| 27.4.1958 | Preliminary Louisville [HM+Sedan] | | | Lancett | | 3rd |
| 27.4.1958 | Preliminary Louisville [HM+Sedan] | | | Mollman | | 4th |
| 27.4.1958 | Preliminary Louisville [HM+Sedan] | | | Joe Snowden | | 2nd |
| 27.4.1958 | Preliminary Louisville [HM+Sedan] | | | Palmer | | 1st |
| 27.4.1958 | SCCA Regional Louisville [MGA+GP+HM+Sedan] | | | Palmer | | ?th |
| 10.5.1958 | 4 h Relay Harewood Acres | 7A | PV 444 | Jerry Polivka | Ecurie Smorgasbord | 4th |
| 10.5.1958 | 4 h Relay Harewood Acres | 7B | PV 444 | Boris Janda | Ecurie Smorgasbord | 4th |
| 10.5.1958 | 4 h Relay Harewood Acres | 25P | PV 444 | R. C. Hill | Ecurie Pegasus | 14th |
| 11.5.1958 | SCCA Regional Tracy [MG+Ladies+Sedan+FIII] | 6 | | Ron Pearson | | 1st |
| 11.5.1958 | Hawaii [Match] | 22 | | Jack Shuttleworth | International Motors | DNA |
| 11.5.1958 | Hawaii [Production 1.6/Sedan] | 22 | | Jack Shuttleworth | International Motors | DNA |
| 11.5.1958 | Hawaii [Production +1.6] | 22 | | Jack Shuttleworth | International Motors | DNA |
| 11.5.1958 | Hawaii [S+1.6] | 22 | | Jack Shuttleworth | International Motors | DNA |
| 11.5.1958 | Hawaii [S+1.6] | 71 | | Joan Hirsh | Joan Hirsh | DNA |
| 11.5.1958 | Hawaii [Production 1.6/Sedan] | 71 | | Joan Hirsh | Joan Hirsh | 7th |
| 11.5.1958 | Hawaii [Production +1.6] | 71 | | Joan Hirsh | Joan Hirsh | DNA |
| 11.5.1958 | Hawaii [Match] | 71 | | Joan Hirsh | Joan Hirsh | DNA |
| 31.5.1958 | Novice Dunkirk [FP+GP+IP+KP] | 44 | | Suzanne Hundertmark | | 15th |
| 31.5.1958 | Novice Dunkirk [FP+GP+IP+KP] | 255 | PV 544 | W. Kent Partridge | | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified +1.5] | 271 | Special | Reg Wilson | Eric Priest | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Ladies] | 271 | Special | Joan Hirsh | Eric Priest | DNA |
| 1.6.1958 | SCCA Regional Dunkirk [Ladies] | 44 | PV 544 | Suzanne Hundertmark | | 8th |
| 1.6.1958 | 1000 km Nürburgring | 60 | PV 444 | Martenson / Andersson | Bengt Martenson | DNF |
| 1.6.1958 | Santa Barbara [Ladies] | 271 | Special | Joan Hirsh | Eric Priest | ?th |
| 1.6.1958 | Santa Barbara [BM+CM+DM+EM] | 271 | Special | Reg Wilson | Eric Priest | DNF |
| 7.6.1958 | Put-In-Bay [FP] | 13 | | Tom Payne | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 45 | | Robert Mollman | | DNA |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 57 | PV 444 | Art Riley | | 6th |
| 15.6.1958 | SCCA Regional Laguna Seca [CM+DM+EM] | 167 | Special | Red Geesaman | | 9th |
| 27.6.1958 | SCCA Regional Watkins Glen [FP+GP+Sedan] | 92 | PV 444 | Art Riley | Arthur Riley | 17th |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 61 | | Jerry Polivka | Robert Motors | DNA |
| 5.7.1958 | LASC Green Acres [S1.5] | 61 | | Jerry Polivka | Robert Motors | DNA |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 62 | | Boris Janda | Robert Motors | DNA |
| 5.7.1958 | LASC Green Acres [S1.5] | 62 | | Boris Janda | Robert Motors | DNA |
| 13.7.1958 | Traverse City [PS1.5+Sedan+HM] | | | Tom Payne | | 2nd |
| 16.8.1958 | Harewood Acres [EP] | 86 | | Jerry Polivka | Robert Motors | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 86 | | Jerry Polivka | Robert Motors | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 41 | | Tom Payne | Tom Payne | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 41 | | Tom Payne | Tom Payne | DNA |
| 23.8.1958 | LASC Green Acres [Touring] | 41 | | Tom Payne | Tom Payne | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 19 | | Billy Gray | Billy Gray | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 19 | | Billy Gray | Billy Gray | DNA |
| 13.9.1958 | Preliminary Bridgehampton [GT] | 3 | PV 444 | Art Riley | | 6th |
| 14.9.1958 | Preliminary Bridgehampton [Handicap] | 3 | PV 444 | Art Riley | | 6th |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 3 | PV 444 | Art Riley | | 23rd |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 3 | PV 444 | Art Riley | | 16th |
| 21.9.1958 | Tour de France | | P1200 S | Penon / Testut | | ?th |
| 27.9.1958 | Gardena [Main] | | | John Davis | | DNA |
| 5.10.1958 | SCCA Regional Thompson [MG+Sedan] | 49 | PV 444 | Art Riley | Arthur Riley | 4th |
| 12.10.1958 | 6 h Venice | | | F. W. Danna | | ?th |
| 18.10.1958 | Preliminary Lime Rock [GT] | 2 | PV 444 | Art Riley | | ?th |
| 18.10.1958 | SCCA Regional Lime Rock [FP] | 2 | PV 444 | Art Riley | | 1st |
| 18.10.1958 | SCCA Regional Lime Rock [FP] | 252 | PV 444 | Gordon MacKenzie | | raced |
| 25.10.1958 | Preliminary Minden [Ladies] | 171 | | Joan Hirsh | Reg Wilson | 2nd |
| 1.11.1958 | Preliminary Palm Springs [Novice+Sedan] | 4 | | Richard Palmer | Richard V. Palmer | DNA |
| 1.11.1958 | Preliminary Palm Springs [Ladies+FIII] | 171 | | Joan Hirsh | Reg Wilson | 3rd |
| 1.11.1958 | Preliminary Palm Springs [Novice+Sedan] | 171 | | Joe Catron | Reg Wilson | ?th |
| 2.11.1958 | Palm Springs [Ladies+Sedan+FIII] | 4 | | Richard Palmer | Richard V. Palmer | ?th |
| 2.11.1958 | Palm Springs [Ladies+Sedan+FIII] | 171 | | Reg Wilson | Reg Wilson | 4th |
| 9.11.1958 | SCCA Regional Laguna Seca [EM+FM] | 167 | | Red Geesaman | Frank Geesaman | DNF |
| 9.11.1958 | SCCA Regional Laguna Seca [EM+FM] | 272 | Special | Reg Wilson | Joan Hirsch | raced |
| 15.11.1958 | 9 h Johannesburg | 19 | Californian | Wilson / Wilson | Wilson Motors (Pty.) Ltd. | 6th |
| 15.11.1958 | 9 h Johannesburg | 25 | PV 444 | Tucker / Myers | F. B. K. Tucker | 9th |
| 15.11.1958 | 9 h Johannesburg | 26 | PV 444 | Aukema / van Bergen | J. A. Aukema | 8th |
| 15.11.1958 | 9 h Johannesburg | 27 | PV 444 | Williamson / Marais | O. L. Williamson | 11th |
| 16.11.1958 | Preliminary Marlboro [FP+GP] | 5 | PV 444 | Art Riley | | 13th |
| 16.11.1958 | Preliminary Marlboro [FP+GP] | 33 | | Kolb | | DNF |
| 16.11.1958 | SCCA Regional Marlboro [EP+FP+GP+HP+HM+FIII] | 33 | | Kolb | | 13th |
| 1958 | Hawaii [Main] | | | Jack Shuttleworth | | raced |
| 1958 | Hawaii [S1.6] | | | Jack Shuttleworth | | 8th |