| 22.6.1958 | SCCA National Road America [CP+DP+EP] | 1 | 300 SL | David Deuble | David A. Deuble | DNA |
| 22.6.1958 | SCCA National Road America [CP+DP+EP] | 6 | 300 SL | Gunther Thiel | Gunter L. Thiel | DNF |
| 27.6.1958 | SCCA Regional Watkins Glen [DP+EP+HM+FIII] | 74 | 190 SL | George Morris | George F. Morris | DNF |
| 27.6.1958 | SCCA Regional Watkins Glen [BP+CP] | 107 | 300 SL | Jerry Loman | | 3rd |
| 27.6.1958 | SCCA Regional Watkins Glen [DP+EP+HM+FIII] | 717 | 190 SL | William Zeisler | William Zeisler | DNA |
| 29.6.1958 | Riverside [BP+CP+DP+EP] | 10 | 300 SL | Carlton Beal | | 10th |
| 29.6.1958 | St. Eugene [S+1.6] | | 300 SL | Norm Hamilton | | ?th |
| 6.7.1958 | Hammond [Main] | | 300 SL | Paul Wabnig | | 8th |
| 6.7.1958 | Hammond [BP+CP+FM+GM] | | 300 SL | Paul Wabnig | | 4th |
| 12.7.1958 | Preliminary Traverse City [Novice +1.5] | | 300 SL | Cal Foster | | 1st |
| 13.7.1958 | Vila Real [GT] | | 300 SL | Mario Cabral | | 1st |
| 20.7.1958 | SCCA Regional Thompson [GT] | 54 | 300 SL | Dean Mears | | 2nd |
| 20.7.1958 | SCCA Regional Thompson [Production] | 54 | 300 SL | Dean Mears | | 1st |
| 20.7.1958 | SCCA Regional Thompson [BP+CP] | 54 | 300 SL | Dean Mears | | 2nd |
| 20.7.1958 | SCCA Regional Thompson [GT] | 91 | 300 SL | Jerry Loman | | 4th |
| 20.7.1958 | SCCA Regional Thompson [BP+CP] | 91 | 300 SL | Jerry Loman | | raced |
| 27.7.1958 | Trophée d'Auvergne | 122 | 300 SL | Louis Borderieux | | DNA |
| 3.8.1958 | SCCA Regional Shelton [S+1.5] | 31 | 300 SL | Dick Jones | | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS+1.5] | 31 | 300 SL | Dick Jones | | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 265 | 300 SL | Bill Sturgis | Bill Sturgis | 3rd |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 271 | 300 SL | Lek von Kaesborg | Carl Briggs | 8th |
| 3.8.1958 | SCCA Regional Shelton [PS+1.5] | | 300 SL | Ray Rairdon | | 2nd |
| 16.8.1958 | Harewood Acres [Le Mans] | 15 | 300 SL | David Deuble | Davis A. Deuble | 3rd |
| 16.8.1958 | Harewood Acres [CP+DP] | 15 | 300 SL | David Deuble | Davis A. Deuble | 2nd |
| 17.8.1958 | Zeltweg [GT+1.3] | 89 | 300 SL | Alberico Cacciari | Alberico Cacciari | DNA |
| 17.8.1958 | Zeltweg [GT+1.3] | 90 | 300 SL | Adolf Kern | Adolf Kern | raced |
| 17.8.1958 | Zeltweg [GT+1.3] | 91 | 300 SL | Karl Braun | "Karl Braun" | 5th |
| 30.8.1958 | Preliminary Santa Barbara [CP+DP] | | 300 SL | Bill Atkins | | ?th |
| 31.8.1958 | Santa Barbara [BM+CM+DM] | 181 | 300 SL S | Chuck Porter | | DNF |
| 1.9.1958 | St. Eugene [S+1.6] | | 300 SL | Norm Hamilton | | 2nd |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 1 | 300 SL | David Deuble | | 4th |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 1 | 300 SL | David Deuble | | DNA |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 4 | 300 SL | Roger Kahn | | DNA |
| 21.9.1958 | GP Angola | 20 | 300 SL | Marques Pinto | | 4th |
| 21.9.1958 | Coupes d'Automne | | 300 SL | Nerriere | | 10th |
| 21.9.1958 | Tour de France | | 300 SL | Defrasne / Blat | | DNF |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 3 | 300 SL | Dick Jones | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [BP+CP+DP] | 1 | 300 SL | Ray Rairdon | | 5th |
| 5.10.1958 | Eifelrennen Nürburgring | 1 | 300 SL | Hans Bernartz | Dr. Bernartz | DNA |
| 5.10.1958 | Eifelrennen Nürburgring | 2 | 300 SL | Karl Braun | "Karl Braun" | DNA |
| 5.10.1958 | Eifelrennen Nürburgring | 3 | 300 SL | Friedrich-Victor Rolff | Friedrich-V. Rolff | 2nd |
| 5.10.1958 | SCCA Regional Thompson [BP+CP] | 59 | 300 SL | Bob Loman | | 3rd |
| 5.10.1958 | Innsbruck [GT+1.6/S1.1] | 71 | 300 SL | Theo Geither | Theo Geither | 6th |
| 5.10.1958 | Innsbruck [GT+1.6/S1.1] | 72 | 300 SL | Alberico Cacciari | Alberico Cacciari | raced |
| 5.10.1958 | Innsbruck [GT+1.6/S1.1] | 75 | 300 SL | Karl Stangl | Karl Stangl | 4th |
| 12.10.1958 | SCCA Regional Wilmot [CP+DP+EP] | 1 | 300 SL | David Deuble | | DNF |
| 12.10.1958 | SCCA Regional Wilmot [CP+DP+EP] | 52 | 300 SL | Dick Stitt | | DNS |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 71 | 300 SL | Carl Briggs | Carl Briggs | 23rd |
| 12.10.1958 | USAC Riverside | 181 | 300 SL S | Johnny Parsons | Chuck Porter | DNF |
| 18.10.1958 | Preliminary Lime Rock [GT] | 15 | 300 SL | Bob Loman | | 2nd |
| 18.10.1958 | Preliminary Lime Rock [GT] | 106 | 300 SL | Floyd Aaskov | | raced |
| 19.10.1958 | SCCA Regional Lime Rock [BP+CP+DP] | 15 | 300 SL | Bob Loman | | DNF |
| 25.10.1958 | Preliminary Minden [BP+CP] | | 300 SL | Gel Brown | | ?th |
| 26.10.1958 | Minden [BP+CP+DP] | 5 | 300 SL | Jack Graham | | 7th |
| 26.10.1958 | Minden [BP+CP+DP] | 171 | 300 SL | Peter Culkin | | 14th |
| 1.11.1958 | Preliminary Palm Springs [BP+CP+DP+EP] | 25 | 300 SL | Gel Brown | Geldert Brown | ?th |
| 1.11.1958 | Preliminary Palm Springs [Novice+Sedan] | 71 | 300 SL | Peter Culkin | Peter Culkin | ?th |
| 1.11.1958 | Preliminary Palm Springs [BP+CP+DP+EP] | 71 | 300 SL | Peter Culkin | Peter Culkin | DNA |
| 2.11.1958 | SCCA National Palm Springs [BP+CP+DP] | 25 | 300 SL | Gel Brown | Geldert Brown | 7th |
| 2.11.1958 | SCCA National Palm Springs [BP+CP+DP] | 71 | 300 SL | Peter Culkin | Peter Culkin | 3rd |
| 9.11.1958 | SCCA Regional Laguna Seca [BP+CP+DP] | 72 | 300 SL | Ray Rairdon | Eddy Franklin | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [BP+CP+DP] | 171 | 300 SL | Peter Culkin | Peter Culkin | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [BP+CP+DP] | | 300 SL | Gel Brown | | DNF |
| 15.11.1958 | 9 h Johannesburg | 3 | 300 SL | John Manussis | J. Manussis | DNA |
| 15.11.1958 | 9 h Johannesburg | 5 | 190 SL | Venter / Millea | P. Venter | 15th |
| 16.11.1958 | Preliminary Marlboro [BP+CP+DP+EP] | 19 | 300 SL | Jerry Loman | | 13th |
| 22.11.1958 | GP Venezuela | 817 | 300 SL | Mauricio Marcotulli | Escuderia Madunina | 11th |
| 22.11.1958 | GP Venezuela | 820 | 300 SL | Alf Raschid | A. Raschid | 9th |
| 22.11.1958 | GP Venezuela | 821 | 300 SL | Marcelo Hernandez | M. Hernández | 16th |
| 22.11.1958 | GP Venezuela | 825 | 300 SL | Eleazar Morrinson | E. Morrinson | 5th |
| 4.12.1958 | Preliminary Nassau TT [GT+2.0] | 73 | 300 SL | Douglas Stearly | | 2nd |
| 4.12.1958 | Nassau TT | 73 | 300 SL | Douglas Stearly | | 4th |
| 5.12.1958 | Governor's Trophy | 73 | 300 SL | Douglas Stearly | | raced |
| 5.12.1958 | Preliminary Governor's Trophy [S+2.0] | 73 | 300 SL | Douglas Stearly | | raced |
| 6.12.1958 | Nassau [Locals] | 38N | 190 SL | John Moore | | 3rd |
| 7.12.1958 | Bahamas Cup | 38N | 190 SL | John Moore | | 3rd |
| 7.12.1958 | Nassau Trophy | 73 | 300 SL | Douglas Stearly | | 16th |
| 26.12.1958 | BRSCC Brands Hatch [GT] | 68 | 300 SL | A. A. Swanson | A. A. Swanson | 7th |