| 4.2.1973 | 24 h Daytona | 78 | 240Z | Graham / Johnson | J. G. Racing | DNQ |
| 4.2.1973 | 24 h Daytona | 95 | 510 | Bobby Clark | Robert Clark | DNA |
| 24.3.1973 | 12 h Sebring | 74 | 240Z | Groleau / Ross / Shaw | J. G. Racing | 31st |
| 24.3.1973 | 12 h Sebring | 88 | 240Z | Lapp / Meldeau | Bob Lapp | 43rd |
| 24.3.1973 | 12 h Sebring | 175 | 510 | Baldwin / Clark | U.S. Davis Racing | 39th |
| 8.4.1973 | SCCA National Virginia [BSR+CSR+CP] | 1 | 240Z | Don Kearney | Donald Kearney | DNF |
| 8.4.1973 | SCCA National Virginia [ASR+AP+BP+AS+BS] | 31 | 510 | W. Allen Willis | | DNF |
| 8.4.1973 | SCCA National Virginia [ASR+AP+BP+AS+BS] | 33 | 510 | Ed Long | | DNA |
| 8.4.1973 | SCCA National Virginia [ASR+AP+BP+AS+BS] | 38 | 510 | Jim Fitzgerald | | 8th |
| 8.4.1973 | SCCA National Virginia [BSR+CSR+CP] | 38 | 240Z | Jim Fitzgerald | Jim Fitzgerald | 1st |
| 8.4.1973 | SCCA National Virginia [ASR+AP+BP+AS+BS] | 49 | 510 | Thomas Vlasak | | 17th |
| 8.4.1973 | SCCA National Virginia [ASR+AP+BP+AS+BS] | 66 | 510 | Bob Henderson | | DNA |
| 15.4.1973 | Trans-Am Road Atlanta | 33 | 510 | Ed Long | | DNA |
| 15.4.1973 | Trans-Am Road Atlanta | 37 | 510 | Bob Finn | | DNA |
| 15.4.1973 | Trans-Am Road Atlanta | 71 | 510 | Peter Schwartzott | | DNA |
| 15.4.1973 | Trans-Am Road Atlanta | 83 | 510 | David Frellsen | | DNA |
| 15.4.1973 | Trans-Am Road Atlanta | 87 | 510 | Ron Harris | | DNA |
| 15.4.1973 | Trans-Am Road Atlanta | 93 | 510 | George Shafer | | DNA |
| 15.4.1973 | Trans-Am Road Atlanta | 97 | 510 | Pat Daily | | DNA |
| 15.4.1973 | Trans-Am Road Atlanta | 98 | 510 | Gary Witzenburg | | DNA |
| 15.4.1973 | Trans-Am Road Atlanta | 99 | 510 | Greg Sorrentino | | DNA |
| 29.4.1973 | GP Zolder [GT/S] | | 240Z | Henry Miroux | | 2nd |
| 6.5.1973 | Benguela | 6 | 240Z | Eurico Lopes de Almeida | | 6th |
| 6.5.1973 | 1000 km Spa | 33 | 240Z | Rob Grant | Robert Grant | DNQ |
| 13.5.1973 | Euro GT GP Paris | 16 | 240Z | Rob Grant | Motor Race Consult Ltd. | raced |
| 20.5.1973 | NTK Zandvoort | 82 | 240Z | Rob Janssen | Datsun Radio Noordzee Racing Team | DNA |
| 20.5.1973 | NTK Zandvoort | 83 | 240Z | Hans Ernst | Datsun Radio Noordzee Racing Team | DNA |
| 27.5.1973 | 1000 km Nürburgring | 61 | 240Z | Grant / Kendall | Robert Grant | DNA |
| 2.6.1973 | Euro GT Imola | 80 | 240Z | Rob Grant | | DNA |
| 10.6.1973 | 500 mile Pocono | 52 | | Bing Sherer | | 41st |
| 10.6.1973 | NTK Zandvoort | 83 | 240Z | Hans Ernst | Datsun Radio Noordzee Racing Team | 2nd |
| 10.6.1973 | 24 h Le Mans | 85 | 240Z | Spice / Edwards / Grant | Motor Race Consultant Ltd. | DNA |
| 10.6.1973 | 500 mile Pocono | 173 | 240Z | Tom Flavin | Thomas Flavin | 46th |
| 24.6.1973 | Euro GT Nivelles | 10 | 240Z | Rob Grant | Motor Race Consultant | DNA |
| 24.6.1973 | SCCA Regional Virginia [ASR+BSR+AP+BP+CP+DP+AS+BS] | 23 | Sports 2000 | Jim Fitzgerald | | DNF |
| 24.6.1973 | SCCA Regional Virginia [ASR+BSR+AP+BP+CP+DP+AS+BS] | 28 | 510 | Hal Baxter | | 1st |
| 24.6.1973 | 24 h Nürburgring | 62 | 510 1600 SSS | Dernelle / Cath | Ecurie Toison d´Or | ?th |
| 24.6.1973 | 24 h Nürburgring | 81 | Sports 1600 | Gudladt / Nietfeld | Hannen Alt Racing Team | DNF |
| 24.6.1973 | SCCA Regional Virginia [ASR+BSR+AP+BP+CP+DP+AS+BS] | 93 | 510 | Jim Dobson | | 4th |
| 4.7.1973 | 250 mile Daytona Paul Revere | 58 | | William Frates | | 21st |
| 4.7.1973 | 250 mile Daytona Paul Revere | 95 | 510 | Bobby Clark | | 33rd |
| 8.7.1973 | Euro GT Estoril | 10 | 240Z | Rob Grant | | 12th |
| 8.7.1973 | CSCC Grattan | | 1200 | | | raced |
| 15.7.1973 | Trans-Am Sanair | | 240Z | Bing Sherer | Tunmore | 15th |
| 22.7.1973 | SCCA Regional Virginia [ASR+BSR+AP+BP+CP+DP+AS+BS] | 28 | 510 | Hal Baxter | | 5th |
| 22.7.1973 | SCCA Regional Virginia [ASR+BSR+AP+BP+CP+DP+AS+BS] | 31 | 510 | Robert Cochnauer | | DNF |
| 22.7.1973 | SCCA Regional Virginia [ASR+BSR+AP+BP+CP+DP+AS+BS] | 33 | 510 | Al Lightle | | 8th |
| 22.7.1973 | SCCA Regional Virginia [ASR+BSR+AP+BP+CP+DP+AS+BS] | 67 | Sports 2000 | Fred Rose | | 2nd |
| 22.7.1973 | SCCA Regional Virginia [ASR+BSR+AP+BP+CP+DP+AS+BS] | 93 | 510 | Jim Dodson | | DNF |
| 28.7.1973 | Trans-Am Road America | 52 | 240Z | Bing Sherer | Bing Sherer | DNA |
| 29.7.1973 | NTK Zandvoort | 14 | Cherry 100A | Ernst Antonides | Datsun Radio Noordzee Racing Team | DNF |
| 29.7.1973 | NTK Zandvoort | 16 | Cherry 100A | Theo Koks | Datsun Radio Noordzee Racing Team | ?th |
| 29.7.1973 | NTK Zandvoort | 83 | 240Z | Hans Ernst | Datsun Radio Noordzee Racing Team | DNF |
| 5.8.1973 | DRM Nürburgring GP | 75 | 510 | Jürgen Konrad | Jürgen Konrad | DNA |
| 19.8.1973 | Trans-Am Edmonton | 7 | 510 | Bob Stevens | Stevens Racing | 8th |
| 19.8.1973 | Trans-Am Edmonton | | 510 | Brink / Stuart | Richard Brink | 13th |
| 26.8.1973 | Zandvoort [GT/T] | | | Ernst Haus | | 7th |
| 26.8.1973 | Zandvoort [GT/T] | | 240Z | Rob Janssen | | 2nd |
| 9.9.1973 | NTK Woensdrecht | 82 | 240Z | Rob Janssen | Datsun Radio Noordzee Racing Team | 4th |
| 9.9.1973 | NTK Woensdrecht | 83 | 240Z | Hans Ernst | Datsun Radio Noordzee Racing Team | DNF |
| 9.9.1973 | Mainz-Finthen [GT] | 183 | 240Z | Hermann Schüller | Hermann Schüller | DNA |
| 23.9.1973 | Tourist Trophy | 19 | Sunny | Poole / Walkinshaw | Datsun UK Ltd. | 9th |
| 30.9.1973 | 200 mile Road Atlanta | 80 | 240Z | Tremblay / Lapp | Bob Lapp | 23rd |
| 30.9.1973 | NTK Zandvoort | 82 | 240Z | Rob Janssen | Datsun Radio Noordzee Racing Team | 6th |
| 30.9.1973 | NTK Zandvoort | 83 | 240Z | Hans Ernst | Datsun Radio Noordzee Racing Team | DNS |
| 7.10.1973 | 7 h Westwood | 1 | 240Z | Brown / Hobkirk | Dundarave Shell Performance Products Ltd. | 3rd |
| 7.10.1973 | 7 h Westwood | 11 | 240Z | Morton / Allegro | Performance Products Ltd./H. W. Hunter Racing Ent. | 2nd |
| 7.10.1973 | 7 h Westwood | 20 | 240Z | Swanson / Annis | Harry Swanson | DNF |
| 7.10.1973 | 7 h Westwood | 21 | 240Z | Downie / Walstrand | Doug Downie | 5th |
| 7.10.1973 | 7 h Westwood | 39 | 510 | Wraner / King / Field | | 18th |
| 7.10.1973 | 7 h Westwood | 44 | 510 | Nachael / Rempel | | 10th |
| 13.10.1973 | SCCA Regional Virginia [ASR+BSR+AP+BP+CP+DP+EP+AS+BS] | 3 | 240Z | David Bell | | 4th |
| 13.10.1973 | SCCA Regional Virginia [ASR+BSR+AP+BP+CP+DP+EP+AS+BS] | 28 | 510 | Hal Baxter | | 5th |
| 13.10.1973 | SCCA Regional Virginia [ASR+BSR+AP+BP+CP+DP+EP+AS+BS] | 45 | 240Z | Terry Smith | | 18th |
| 13.10.1973 | SCCA Regional Virginia [ASR+BSR+AP+BP+CP+DP+EP+AS+BS] | 67 | Sports 2000 | Fred Rose | | 8th |
| 13.10.1973 | SCCA Regional Virginia [ASR+BSR+AP+BP+CP+DP+EP+AS+BS] | 93 | 510 | Jim Dodson | | 11th |
| 14.10.1973 | Virginia Enduro [ASR+BSR+AP+BP+CP+DP+EP+AS+BS] | 3 | 240Z | David Bell | | 9th |
| 14.10.1973 | Virginia Enduro [ASR+BSR+AP+BP+CP+DP+EP+AS+BS] | 28 | 510 | Baxter / Yount | | 16th |
| 14.10.1973 | Laguna Seca [Production] | 40 | Sports 2000 | Frank Joyce | Vacilando Racing Enterprises | DNA |
| 14.10.1973 | Laguna Seca [Production] | 43 | Sports 2000 | Rob McFarlin | F.A.R. Performance | DNA |
| 14.10.1973 | Virginia Enduro [ASR+BSR+AP+BP+CP+DP+EP+AS+BS] | 45 | 240Z | Smith / Kendall | | 4th |
| 14.10.1973 | Laguna Seca [Production] | 45 | 240Z | Walt Maas | F.A.R. Performance | DNA |
| 14.10.1973 | Virginia Enduro [ASR+BSR+AP+BP+CP+DP+EP+AS+BS] | 67 | Sports 2000 | Rose / Maffucci | | 12th |
| 14.10.1973 | NTK Zandvoort | 82 | 240Z | Rob Janssen | Datsun Radio Noordzee Racing Team | DNF |
| 14.10.1973 | NTK Zandvoort | 83 | 240Z | Hans Ernst | Datsun Radio Noordzee Racing Team | ?th |
| 14.10.1973 | Virginia Enduro [ASR+BSR+AP+BP+CP+DP+EP+AS+BS] | 93 | 510 | Jim Dodson | | 11th |
| 14.10.1973 | 3 h Indianapolis | 173 | 240Z | Tom Flavin | Thomas Flavin | 56th |
| 21.10.1973 | Zolder [T/GT+2.0] | 21 | 240Z | Henry Miroux | | 12th |
| 21.10.1973 | Zolder [T/GT+2.0] | 23 | 240Z | Rob Janssen | | 6th |
| 3.11.1973 | 9 h Kyalami | 15 | 240Z | Takahashi / Tohira | E. L. van Bergen | 4th |
| 3.11.1973 | 9 h Kyalami | 16 | 240Z | Chatz / Mortimer | E. L. van Bergen | 6th |
| 4.11.1973 | US Champions Road Atlanta [CP] | 11 | 240Z | Don Kearney | Donald Kearney | DNF |
| 4.11.1973 | US Champions Road Atlanta [CP] | 33 | 240Z | Bob Sharp | N. Y. Metro Datsun Dealers | 1st |
| 4.11.1973 | US Champions Road Atlanta [CP] | 36 | 240Z | Logan Blackburn | Marathon Oil Co. | 5th |
| 4.11.1973 | US Champions Road Atlanta [CP] | 45 | 240Z | Walt Maas | FAR Performance | 3rd |