| 11.1.1958 | Preliminary Miami [BM+CM+DM+EM+FM+BP] | 12 | #2423 | Joe Sheppard | | DNA |
| 12.1.1958 | SCCA National Miami [BM+CM+DM+EM+FM+BP] | 5 | #2412 | Jim Kimberly | | DNF |
| 12.1.1958 | SCCA National Miami [BM+CM+DM+EM+FM+BP] | 12 | #2423 | Joe Sheppard | | DNA |
| 26.1.1958 | 1000 km Buenos Aires | 30 | #2409 | Scarlatti / Negri Bevilacqua | | DNF |
| 26.1.1958 | 1000 km Buenos Aires | 32 | | Bonnier / Gregory | | DNF |
| 26.1.1958 | 1000 km Buenos Aires | 36 | | Gerini / Musso | | DNF |
| 9.2.1958 | Guadalajara | | | Carroll Shelby | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [Modified] | 2 | #2423 | Joe Sheppard | Gay Jackson | 1st |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 2 | #2423 | Joe Sheppard | Gay Jackson | 1st |
| 24.2.1958 | GP Cuba | 64 | | Jo Bonnier | | 6th |
| 24.2.1958 | GP Cuba | | | Giorgio Scarlatti | | 10th |
| 24.2.1958 | GP Cuba | | #2418 | Harry Schell | | 5th |
| 2.3.1958 | SCCA Regional Phoenix [S+1.5] | 1 | | Jack Hinkle | | 4th |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 1 | | Jack Hinkle | | 6th |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 106 | | Chuck Howard | | 7th |
| 2.3.1958 | SCCA Regional Phoenix [S+1.5] | 106 | | Chuck Howard | | 6th |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 2 | #2423 | Joe Sheppard | Gay Jackson | DNS |
| 9.3.1958 | Preliminary Boca Raton [CM+DM+EM+FM+GM] | 2 | #2423 | Joe Sheppard | Gay Jackson | DNF |
| 9.3.1958 | SCCA Regional Mansfield [CM+DM+EM+FM+GM] | 99 | | Robert Ferguson | | 11th |
| 9.3.1958 | Preliminary Boca Raton [CM+DM+EM+FM+GM] | 193 | | George Koehne | | 2nd |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 193 | | George Koehne | | 2nd |
| 22.3.1958 | 12 h Sebring | 32 | #2412 | Kimberly / Lovely | Jim Kimberly | DNF |
| 23.3.1958 | SCCA Regional Stockton [S+1.5] | | | Chuck Howard | | DNA |
| 30.3.1958 | GP Pergusa | | | Giuseppe Allotta | | 8th |
| 30.3.1958 | GP Pergusa | | | Adolfo Tedeschi | | 1st |
| 30.3.1958 | GP Pergusa | | | Franco Bordoni | | 5th |
| 30.3.1958 | GP Pergusa | | | Odoardo Govoni | | 4th |
| 30.3.1958 | GP Pergusa | | | Bruno Ruffo | | 2nd |
| 13.4.1958 | SCCA Regional Palm Springs [BM+CM+DM+EM] | 111 | | Chuck Howard | | 8th |
| 13.4.1958 | Coppa Shell Monza | | | Govoni | | DNF |
| 13.4.1958 | Coppa Shell Monza | | | Negri | | 7th |
| 20.4.1958 | Preliminary Galveston [CM+DM+EM] | 1 | | Jack Hinkle | | 5th |
| 20.4.1958 | SCCA Regional Galveston [Modified] | 1 | | Jack Hinkle | | 4th |
| 20.4.1958 | SCCA Regional Galveston [Modified] | | | Norman Scott | | DNA |
| 27.4.1958 | SCCA Regional Lime Rock [CM+DM+EM+FM+GM] | 8 | #2427 | John Fitch | | 2nd |
| 27.4.1958 | GP Napoli | 142 | | Jo Bonnier | | 1st |
| 27.4.1958 | Dunnellon [Main] | | | George Koehne | | DNF |
| 27.4.1958 | GP Napoli | | | Odoardo Govoni | | 5th |
| 27.4.1958 | GP Napoli | | | Antonio Negli | | 4th |
| 27.4.1958 | GP Napoli | | | Mennato Boffa | | 2nd |
| 27.4.1958 | GP Napoli | | | Ulf Norinder | | ?th |
| 27.4.1958 | GP Napoli | | | Franco Bordoni | | 7th |
| 27.4.1958 | GP Napoli | | | Guido Perrella | | 11th |
| 11.5.1958 | Targa Florio | 82 | | Perrella / Giovanardi | | DNS |
| 11.5.1958 | Targa Florio | 84 | | Boffa / Govoni | Maserati | DNF |
| 11.5.1958 | Targa Florio | 94 | | Lopez / Bornigia | | DNS |
| 11.5.1958 | SCCA Regional Tracy [CM+DM+EM] | 138 | | Chuck Howard | Charles S. Howard | 3rd |
| 11.5.1958 | Targa Florio | | | Jo Bonnier | | DNA |
| 11.5.1958 | Targa Florio | | | Luigi Bellucci | | DNA |
| 15.5.1958 | Eläintarhanajo | 7 | | Ulf Norinder | | 7th |
| 15.5.1958 | Aspern [S+1.5] | 7 | | Antonio Negri | Antonio Negri | raced |
| 15.5.1958 | Aspern [S+1.5] | 8 | | Alberico Cacciari | Alberico Cacciari | raced |
| 15.5.1958 | Aspern [S+1.5] | 10 | | Odoardo Govoni | Odoardo Govoni | raced |
| 18.5.1958 | GP Spa | 3 | | Franco Bordoni | | ?th |
| 18.5.1958 | GP Spa | 4 | | Antonio Negri | | ?th |
| 25.5.1958 | GP des Frontières | 2 | | Ulf Norinder | | DNF |
| 25.5.1958 | GP des Frontières | 4 | | Antonio Negri | | 4th |
| 31.5.1958 | Preliminary La Junta [BM+CM+DM+EM+FM+GM] | 8 | | Jack Hinkle | | 2nd |
| 1.6.1958 | SCCA Regional La Junta [BM+CM+DM+EM+BP+CP+DP] | 8 | | Jack Hinkle | | 2nd |
| 1.6.1958 | 1000 km Nürburgring | 18 | | Ulf Norinder | Norinder | DNS |
| 15.6.1958 | SCCA Regional Laguna Seca [CM+DM+EM] | 1 | | Lance Reventlow | | 3rd |
| 15.6.1958 | SCCA National Lime Rock [BM+CM+DM+EM+FM] | 8 | #2427 | John Fitch | | 4th |
| 15.6.1958 | SCCA Regional Laguna Seca [CM+DM+EM] | 138 | | Chuck Howard | | 4th |
| 15.6.1958 | Opatija [S2.0] | | | Odoardo Govoni | | 2nd |
| 22.6.1958 | 24 h Le Mans | 23 | #2428 | Martin / Dagorne | Jean Thépenier | DNF |
| 22.6.1958 | Circuito di Caserta [S2.0] | | | Franco Bordoni | | 2nd |
| 22.6.1958 | Circuito di Caserta [S2.0] | | | Adolfo Tedeschi | | 3rd |
| 5.7.1958 | SCCA National Lime Rock [CM+DM+EM+FM] | 8 | #2427 | John Fitch | | 3rd |
| 6.7.1958 | Circuito di Sassari | | | Antonio Negri | | 3rd |
| 20.7.1958 | 10 h Messina | | | Negri / Tedeschi | | raced |
| 20.7.1958 | 10 h Messina | | | Bellucci / Ruffo | | 3rd |
| 3.8.1958 | Giro delle Calabria | | | Adolfo Tedeschi | | 5th |
| 10.8.1958 | Kanonloppet [Sports] | 14 | #1665 | Jo Bonnier | | DNF |
| 17.8.1958 | Zeltweg [Sports] | 118 | | Ulf Norinder | Ulf Norinder | DNF |
| 31.8.1958 | SCCA Regional Mansfield [CM+DM+EM+FM+GM+UR] | 141 | | Hap Sharp | Dave Morgan | DNA |
| 31.8.1958 | Preliminary Mansfield [CM+DM+EM+BP+CP+UR] | 141 | | Hap Sharp | Dave Morgan | DNA |
| 7.9.1958 | USAC Lime Rock | 28 | #2425 | Bob Kuhn | | 6th |
| 21.9.1958 | GP Berlin | 21 | | Adolfo Tedeschi | Adolfo Tedeschi | raced |
| 21.9.1958 | GP Berlin | 22 | | Mennato Boffa | Mennato Boffa | DNA |
| 21.9.1958 | GP Berlin | 24 | | Ulf Norinder | Ulf Norinder | DNA |
| 21.9.1958 | GP Berlin | 25 | | Wolfgang Seidel | Scuderia Centro-Süd | ?th |
| 28.9.1958 | USAC Watkins Glen | 12 | #2425 | Bob Kuhn | Lieutenant Colonel Robert Kuhn | 5th |
| 5.10.1958 | Innsbruck [S+1.1] | 95 | | Adolfo Tedeschi | Adolfo Tedeschi | DNA |
| 11.10.1958 | Preliminary Venice [CM+DM+EM+FM+BP+CP+DP] | 39 | | David Lane | | raced |
| 11.10.1958 | Preliminary Venice [CM+DM+EM+FM+BP+CP+DP] | 93 | | George Koehne | | 2nd |
| 12.10.1958 | 6 h Venice | 39 | | David Lane | | ?th |
| 25.10.1958 | Preliminary Minden [BM+CM+DM+EM] | | | Chuck Howard | | ?th |
| 26.10.1958 | Minden [BM+CM+DM+EM] | 138 | | Chuck Howard | | 3rd |
| 26.10.1958 | Modena [Sports] | 202 | | Odoardo Govoni | | 1st |
| 26.10.1958 | Modena [Sports] | 204 | #2415 | Nando Pagliarini | | 3rd |
| 2.11.1958 | Oklahoma Petite GP | | | Jack Hinkle | | 2nd |
| 2.11.1958 | SCCA Regional Oklahoma [Modified 2.0] | | | Jack Hinkle | | 1st |
| 30.11.1958 | Phoenix [Main] | | | Jack Hinkle | | 6th |
| 30.11.1958 | Phoenix [Main] | | | Hap Sharp | | 5th |
| 5.12.1958 | Preliminary Governor's Trophy [S2.0] | 23 | | Ulf Norinder | | 2nd |
| 5.12.1958 | Governor's Trophy | 23 | | Ulf Norinder | | 8th |
| 7.12.1958 | Nassau Trophy | 11 | | Bob Kuhn | | DNA |
| 7.12.1958 | Nassau Memorial Trophy | 23 | | Ulf Norinder | | ?th |
| 7.12.1958 | Nassau Trophy | 23 | | Ulf Norinder | | DNF |