| 21.3.1998 | 300 km Suzuka | 16 | NSX (NA2) | Nakako / Michigami | Team Castrol Mugen | DNF |
| 21.3.1998 | 300 km Suzuka | 18 | NSX (NA2) | Kaneishi / Yamamoto | Dome Racing Team | DNF |
| 21.3.1998 | 300 km Suzuka | 64 | NSX (NA2) | Yamanishi / Coronel | Mobil1 Nakajima Racing | 2nd |
| 21.3.1998 | 300 km Suzuka | 100 | NSX (NA2) | Takahashi / Iida | Team Kunimitsu with Mooncraft | 18th |
| 19.4.1998 | Belcar Zolder NRF | 14 | Integra | Blaise / Heeren | E.B.R.T. - Balise André | 34th |
| 19.4.1998 | Belcar Zolder NRF | 66 | Civic | Corbisier / Mazza | Melco Racing Team | 35th |
| 2.5.1998 | All Japan GT Fuji | 16 | NSX (NA2) | Nakako / Michigami | Team Castrol Mugen | NC |
| 2.5.1998 | All Japan GT Fuji | 18 | NSX (NA2) | Kaneishi / Yamamoto | Dome Racing Team | NC |
| 2.5.1998 | All Japan GT Fuji | 64 | NSX (NA2) | Yamanishi / Coronel | Mobil1 Nakajima Racing | NC |
| 2.5.1998 | All Japan GT Fuji | 100 | NSX (NA2) | Takahashi / Iida | Team Kunimitsu with Mooncraft | NC |
| 3.5.1998 | Belcar Spa SFD | 14 | Integra | Blaise / Heeren | E.B.R.T. - Balise André | 22nd |
| 3.5.1998 | Belcar Spa SFD | 66 | Civic | Corbisier / Mazza | Melco Racing Team | 27th |
| 3.5.1998 | Belcar Spa SFD | 85 | NSX | Van Mol / Dujardyn | | 40th |
| 10.5.1998 | CDN GT Mosport BARC Spring | 42 | CRX | Rene Boyd | | 18th |
| 10.5.1998 | CDN GT Mosport BARC Spring | | Civic | John Vicic | | 21st |
| 14.6.1998 | Belcar Spa PT | 14 | Integra | Blaise / Heeren | E.B.R.T. - Balise André | 22nd |
| 14.6.1998 | 24 h Nürburgring | 41 | Civic | Drössiger / Mäder / Bermes / Krauskopf | MSC Ruhrblitz Bochum e. V. im ADAC | 11th |
| 14.6.1998 | 24 h Nürburgring | 64 | Integra Type R | Chmiela / aus der Au / Kohler / Hoppelshäuser | | 20th |
| 14.6.1998 | Belcar Spa PT | 66 | Civic | Corbisier / Mazza | Melco Racing Team | 39th |
| 14.6.1998 | 24 h Nürburgring | 74 | Civic SiR | Totz / Totz / Blum / Teichmann | | 17th |
| 14.6.1998 | Belcar Spa PT | 85 | NSX | Van Mol / Van Sande | | 12th |
| 14.6.1998 | 24 h Nürburgring | 87 | Civic SiR | Karger / Yamamoto / Duhamel | | 34th |
| 14.6.1998 | 24 h Nürburgring | 150 | Civic (EK4) | Rottstedt / Patrizio / Höhfeld / Wagenstetter | Scuderia Offenbach e. V. im AvD | 52nd |
| 14.6.1998 | 24 h Nürburgring | 183 | Civic | Schjärin / Skala-Lund / Drössiger | | 46th |
| 27.6.1998 | Hi-Land GT Sendai | 16 | NSX (NA2) | Nakako / Michigami | Team Castrol Mugen | DNF |
| 27.6.1998 | Hi-Land GT Sendai | 18 | NSX (NA2) | Kaneishi / Yamamoto | Dome Racing Team | DNF |
| 27.6.1998 | Hi-Land GT Sendai | 64 | NSX (NA2) | Satou / Coronel | Mobil1 Nakajima Racing | DNF |
| 27.6.1998 | Hi-Land GT Sendai | 100 | NSX (NA2) | Takahashi / Iida | Team Kunimitsu with Mooncraft | 25th |
| 28.6.1998 | CDN GT Shannonville Trilllium Trophy | 42 | CRX | Rene Boyd | | 18th |
| 28.6.1998 | CDN GT Shannonville Trilllium Trophy | 110 | CRX | Robert Carroll | | 22nd |
| 5.7.1998 | 24 h Spa | 3 | Integra Type R | de Groodt / Bachelart / Defourny | Team Honda Sport Belgium | 5th |
| 5.7.1998 | 24 h Spa | 4 | Integra Type R | Tollenaire / Tillekaerts / Haugg | Honda VTEC Team | DNF |
| 5.7.1998 | 24 h Spa | 5 | Integra Type R | Kox / Thompson / Graves | Team Honda Sport Belgium | DNF |
| 5.7.1998 | 24 h Spa | 7 | Integra Type R | Tassin / Favre | Team Honda Sport Belgium | DNF |
| 5.7.1998 | 24 h Spa | 31 | Integra Type R | Kaye / Harrison / Day | Team Honda Sport Belgium | 8th |
| 5.7.1998 | 24 h Spa | 32 | Integra Type R | Beckers / Stevens / Van Bellingen | Renstal Excelsior | 20th |
| 5.7.1998 | 24 h Spa | 33 | Integra Type R | Uzan / Triquet / Van Lindt | Triquet Team Sporty | 19th |
| 5.7.1998 | 24 h Spa | 34 | Integra Type R | Carlier / Wilders / Plennevaux | Honda VTEC Team | 29th |
| 5.7.1998 | 24 h Spa | 35 | Integra Type R | Heeren / Blaise / Lander | Honda VTEC Team | 13th |
| 5.7.1998 | 24 h Spa | 37 | Integra Type R | Chaudoir / Coens / Debanne | Honda VTEC Team | DNF |
| 5.7.1998 | 24 h Spa | 41 | Integra Type R | Verreydt / Close / Thibaut | VZM with Honda | DNF |
| 5.7.1998 | 24 h Spa | 50 | Integra Type R | Elliott / Ruokonen / Baillien | Honda VTEC Team | DNF |
| 5.7.1998 | 24 h Spa | 55 | Civic V-Tec | Van Hoorick / Jacobs / Vergaelen | Honda VTEC Team | 21st |
| 5.7.1998 | 24 h Spa | 56 | Civic V-Tec | Goffard / Businaro / Kerkhove | Honda VTEC Team | 24th |
| 5.7.1998 | 24 h Spa | 66 | Civic V-Tec | Vandeput / Roggemans / Dever | Honda VTEC Team | 25th |
| 12.7.1998 | CDN GT Shannonville Canaska Cup | 41 | Prelude | Peter Schwartzott | Buffalo Motorsports | 20th |
| 8.8.1998 | Special GT Cup Fuji | 16 | NSX (NA2) | Nakako / Michigami | Team Castrol Mugen | 5th |
| 8.8.1998 | Special GT Cup Fuji | 18 | NSX (NA2) | Kaneishi / Yamamoto | Dome Racing Team | 4th |
| 8.8.1998 | Special GT Cup Fuji | 64 | NSX (NA2) | Yamanishi / Coronel | Mobil1 Nakajima Racing | 1st |
| 8.8.1998 | Special GT Cup Fuji | 100 | NSX (NA2) | Takahashi / Iida | Team Kunimitsu with Mooncraft | DNF |
| 8.8.1998 | Special GT Cup Fuji | 280 | NSX | | NSX Dream 28 Competition | DNQ |
| 16.8.1998 | Belcar Assen | 14 | Integra | Blaise / Heeren | E.B.R.T. - Balise André | 24th |
| 16.8.1998 | CDN GT Mosport BARC GP Ontario | 491 | Civic | Dominic Ho | | 26th |
| 23.8.1998 | 1000 km Suzuka | 100 | NSX-S | Takahashi / Iida / Michigami | Team Kunimitsu with Moon Craft | DNF |
| 23.8.1998 | 1000 km Suzuka | 128 | NSX-R | Ooshiro / Takahashi / Satou | NSX Dream 28 Competition | 21st |
| 30.8.1998 | CDN GT Mosport | 41 | Prelude | Peter Schwartzott | | DNA |
| 30.8.1998 | CDN GT Mosport | 42 | CRX | Rene Boyd | | DNA |
| 6.9.1998 | 24 h Zolder | 14 | Integra | Blaise / Heeren / Lander | E.B.R.T. - Balise André | 12th |
| 6.9.1998 | 24 h Zolder | 66 | Civic | Corbisier / Theuws / Verhoeven | Melco Racing Team | raced |
| 6.9.1998 | 24 h Zolder | 81 | Integra | Coens / Chaudoir / Diduca | | 20th |
| 7.9.1998 | CDN GT Mosport CRDA | 491 | Civic | Dominic Ho | | 27th |
| 12.9.1998 | Motegi GT | 16 | NSX (NA2) | Nakako / Michigami | Team Castrol Mugen | 1st |
| 12.9.1998 | Motegi GT | 18 | NSX (NA2) | Kaneishi / Yamamoto | Dome Racing Team | DNF |
| 12.9.1998 | Motegi GT | 64 | NSX (NA2) | Yamanishi / Coronel | Mobil1 Nakajima Racing | DNF |
| 12.9.1998 | Motegi GT | 100 | NSX (NA2) | Takahashi / Iida | Team Kunimitsu with Mooncraft | 7th |
| 20.9.1998 | Belcar Zolder TSP | 14 | Integra | Blaise / Heeren | E.B.R.T. - Balise André | 36th |
| 20.9.1998 | Belcar Zolder TSP | 66 | Civic | Corbisier / Verhoeven | Melco Racing Team | 32nd |
| 20.9.1998 | Belcar Zolder TSP | 85 | NSX | Van Mol / Daniels | | 38th |
| 20.9.1998 | CDN GT Mosport BEMC Summer | 491 | Civic | Dominic Ho | | DNS |
| 4.10.1998 | CDN GT Mosport CASC Celebration | 42 | CRX | Rene Boyd | | DNS |
| 4.10.1998 | CDN GT Mosport CASC Celebration | 110 | CRX | Robert Carroll | | 23rd |
| 10.10.1998 | 250 km Mine | 16 | NSX (NA2) | Nakako / Michigami | Team Castrol Mugen | 11th |
| 10.10.1998 | 250 km Mine | 18 | NSX (NA2) | Kaneishi / Wakisaka | Dome Racing Team | 21st |
| 10.10.1998 | 250 km Mine | 64 | NSX (NA2) | Yamanishi / Coronel | Mobil1 Nakajima Racing | 2nd |
| 10.10.1998 | 250 km Mine | 100 | NSX (NA2) | Takahashi / Iida | Team Kunimitsu with Mooncraft | 1st |
| 11.10.1998 | Belcar Zolder BM | 14 | Integra | Blaise / Heeren | E.B.R.T. - Balise André | 28th |
| 11.10.1998 | Belcar Zolder BM | 66 | Civic | Corbisier / Theuws | Melco Racing Team | DNS |
| 11.10.1998 | Belcar Zolder BM | 85 | NSX | Van Mol / Daniels | | 12th |
| 24.10.1998 | Sugo GT | 16 | NSX (NA2) | Nakako / Michigami | Team Castrol Mugen | 1st |
| 24.10.1998 | Sugo GT | 18 | NSX (NA2) | Kaneishi / Wakisaka | Dome Racing Team | DQ |
| 24.10.1998 | Sugo GT | 64 | NSX (NA2) | Yamanishi / Coronel | Mobil1 Nakajima Racing | DNF |
| 24.10.1998 | Sugo GT | 100 | NSX (NA2) | Takahashi / Iida | Team Kunimitsu with Mooncraft | DNF |
| 15.11.1998 | All Star | 16 | NSX (NA2) | Nakako / Michigami | Team Castrol Mugen | 7th |
| 15.11.1998 | All Star | 18 | NSX (NA2) | Kaneishi / Wakisaka | Dome Racing Team | DNF |
| 15.11.1998 | All Star | 64 | NSX (NA2) | Yamanishi / Coronel | Mobil1 Nakajima Racing | 1st |
| 15.11.1998 | All Star | 100 | NSX (NA2) | Takahashi / Iida | Team Kunimitsu with Mooncraft | 2nd |