| 8.4.1973 | SCCA National Virginia [BSR+CSR+CP] | 1 | | Don Kearney | Donald Kearney | DNF |
| 8.4.1973 | SCCA National Virginia [BSR+CSR+CP] | 38 | | Jim Fitzgerald | Jim Fitzgerald | 1st |
| 29.4.1973 | GP Zolder [GT/S] | | | Henry Miroux | | 2nd |
| 6.5.1973 | Benguela | 6 | | Eurico Lopes de Almeida | | 6th |
| 6.5.1973 | 1000 km Spa | 33 | | Rob Grant | Robert Grant | DNQ |
| 13.5.1973 | Euro GT GP Paris | 16 | | Rob Grant | Motor Race Consult Ltd. | raced |
| 20.5.1973 | NTK Zandvoort | 82 | | Rob Janssen | Datsun Radio Noordzee Racing Team | DNA |
| 20.5.1973 | NTK Zandvoort | 83 | | Hans Ernst | Datsun Radio Noordzee Racing Team | DNA |
| 27.5.1973 | 1000 km Nürburgring | 61 | | Grant / Kendall | Robert Grant | DNA |
| 2.6.1973 | Euro GT Imola | 80 | | Rob Grant | | DNA |
| 10.6.1973 | NTK Zandvoort | 83 | | Hans Ernst | Datsun Radio Noordzee Racing Team | 2nd |
| 10.6.1973 | 24 h Le Mans | 85 | | Spice / Edwards / Grant | Motor Race Consultant Ltd. | DNA |
| 10.6.1973 | 500 mile Pocono | 173 | | Tom Flavin | Thomas Flavin | 46th |
| 24.6.1973 | Euro GT Nivelles | 10 | | Rob Grant | Motor Race Consultant | DNA |
| 8.7.1973 | Euro GT Estoril | 10 | | Rob Grant | | 12th |
| 15.7.1973 | Trans-Am Sanair | | | Bing Sherer | Tunmore | 15th |
| 28.7.1973 | Trans-Am Road America | 52 | | Bing Sherer | Bing Sherer | DNA |
| 29.7.1973 | NTK Zandvoort | 83 | | Hans Ernst | Datsun Radio Noordzee Racing Team | DNF |
| 26.8.1973 | Zandvoort [GT/T] | | | Rob Janssen | | 2nd |
| 9.9.1973 | NTK Woensdrecht | 82 | | Rob Janssen | Datsun Radio Noordzee Racing Team | 4th |
| 9.9.1973 | NTK Woensdrecht | 83 | | Hans Ernst | Datsun Radio Noordzee Racing Team | DNF |
| 9.9.1973 | Mainz-Finthen [GT] | 183 | | Hermann Schüller | Hermann Schüller | DNA |
| 30.9.1973 | 200 mile Road Atlanta | 80 | | Tremblay / Lapp | Bob Lapp | 23rd |
| 30.9.1973 | NTK Zandvoort | 82 | | Rob Janssen | Datsun Radio Noordzee Racing Team | 6th |
| 30.9.1973 | NTK Zandvoort | 83 | | Hans Ernst | Datsun Radio Noordzee Racing Team | DNS |
| 7.10.1973 | 7 h Westwood | 1 | | Brown / Hobkirk | Dundarave Shell Performance Products Ltd. | 3rd |
| 7.10.1973 | 7 h Westwood | 11 | | Morton / Allegro | Performance Products Ltd./H. W. Hunter Racing Ent. | 2nd |
| 7.10.1973 | 7 h Westwood | 20 | | Swanson / Annis | Harry Swanson | DNF |
| 7.10.1973 | 7 h Westwood | 21 | | Downie / Walstrand | Doug Downie | 5th |
| 13.10.1973 | SCCA Regional Virginia [ASR+BSR+AP+BP+CP+DP+EP+AS+BS] | 3 | | David Bell | | 4th |
| 13.10.1973 | SCCA Regional Virginia [ASR+BSR+AP+BP+CP+DP+EP+AS+BS] | 45 | | Terry Smith | | 18th |
| 14.10.1973 | Virginia Enduro [ASR+BSR+AP+BP+CP+DP+EP+AS+BS] | 3 | | David Bell | | 9th |
| 14.10.1973 | Virginia Enduro [ASR+BSR+AP+BP+CP+DP+EP+AS+BS] | 45 | | Smith / Kendall | | 4th |
| 14.10.1973 | Laguna Seca [Production] | 45 | | Walt Maas | F.A.R. Performance | DNA |
| 14.10.1973 | NTK Zandvoort | 82 | | Rob Janssen | Datsun Radio Noordzee Racing Team | DNF |
| 14.10.1973 | NTK Zandvoort | 83 | | Hans Ernst | Datsun Radio Noordzee Racing Team | ?th |
| 14.10.1973 | 3 h Indianapolis | 173 | | Tom Flavin | Thomas Flavin | 56th |
| 21.10.1973 | Zolder [T/GT+2.0] | 21 | | Henry Miroux | | 12th |
| 21.10.1973 | Zolder [T/GT+2.0] | 23 | | Rob Janssen | | 6th |
| 3.11.1973 | 9 h Kyalami | 15 | | Takahashi / Tohira | E. L. van Bergen | 4th |
| 3.11.1973 | 9 h Kyalami | 16 | | Chatz / Mortimer | E. L. van Bergen | 6th |
| 4.11.1973 | US Champions Road Atlanta [CP] | 1 | | Terry Colley | Twin City Datsun | 13th |
| 4.11.1973 | US Champions Road Atlanta [CP] | 5 | | Dan Parkinson | Dan Parkinson | 4th |
| 4.11.1973 | US Champions Road Atlanta [CP] | 11 | | Don Kearney | Donald Kearney | DNF |
| 4.11.1973 | US Champions Road Atlanta [CP] | 12 | | Vic Pottinger | Valvoline | 8th |
| 4.11.1973 | US Champions Road Atlanta [CP] | 14 | | Bob Speakman | Town & Country Datsun | 14th |
| 4.11.1973 | US Champions Road Atlanta [CP] | 18 | | Gerry Mason | Gerry Mason | DNF |
| 4.11.1973 | US Champions Road Atlanta [CP] | 33 | | Bob Sharp | N. Y. Metro Datsun Dealers | 1st |
| 4.11.1973 | US Champions Road Atlanta [CP] | 36 | | Logan Blackburn | Marathon Oil Co. | 5th |
| 4.11.1973 | US Champions Road Atlanta [CP] | 38 | | Jim Fitzgerald | Bob Sharp Racing | 11th |
| 4.11.1973 | US Champions Road Atlanta [CP] | 45 | | Walt Maas | FAR Performance | 3rd |
| 4.11.1973 | US Champions Road Atlanta [CP] | 90 | | Bill Ruff | Tiki Hunt Restaurants | 10th |
| 17.11.1973 | 3 h Cape Town | | | Chatz / Mortimer | | 6th |
| 25.11.1973 | 250 mile Daytona Finale | 49 | | Frates / Capone | William Frates | DNA |
| 25.11.1973 | 250 mile Daytona Finale | 73 | | Flavin / Baird | Thomas Flavin | DNA |
| 25.11.1973 | 250 mile Daytona Finale | 80 | | Bob Lapp | Bob Lapp | 49th |
| 25.11.1973 | 250 mile Daytona Finale | 89 | | Johnson / Groleau / Ross | J. G. Racing | DNA |