| 1998 · 1998 24 Hours of Le Mans | DNA | 37 | LM-GT1 | Newcastle United Lister Cars | Julian Bailey · Tiff Needell · Anthony ReidJulian Bailey Tiff Needell Anthony Reid | Lister Storm GTL | Jaguar HE 7.0L V12 | | Wikipedia contributors · CC BY-SA 4.0 |
| 1997 · 1997 24 Hours of Le Mans | DNF | 45 | LM-GT1 | Newcastle United Lister Cars | Geoff Lees · Tiff Needell · George FouchéGeoff Lees Tiff Needell George Fouché | Lister Storm GTL | Jaguar HE 7.0L V12 | 21 | Wikipedia contributors · CC BY-SA 4.0 |
| 1996 · 1996 24 Hours of Le Mans | 19 | 28 | LM-GT1 | Newcastle United Lister | Geoff Lees · Tiff Needell · Anthony ReidGeoff Lees Tiff Needell Anthony Reid | Lister Storm GTS | Jaguar HE 7.0L V12 | 295 | Wikipedia contributors · CC BY-SA 4.0 |
| 1995 · 1995 24 Hours of Le Mans | DNF | 57 | LM-GT1 | PC Automotive Jaguar | Richard Piper · Tiff Needell · James WeaverRichard Piper Tiff Needell James Weaver | Jaguar XJ220 C | Jaguar JV6 3.5L V6 twin turbo | 135 | Wikipedia contributors · CC BY-SA 4.0 |
| 1992 · 1992 24 Hours of Le Mans | 12 | 53 | Category 3 | ADA Engineering (private entrant) | Derek Bell · Justin Bell · Tiff NeedellDerek Bell Justin Bell Tiff Needell | Porsche 962C GTi | Porsche 935/83 3.0L F6 twin turbo | 284 | Wikipedia contributors · CC BY-SA 4.0 |
| 1992 · SWC 500 km Monza | entry_only | 10 | C1 | B.R.M. | Tiff Needell · Eugene O'Brien | BRM P351 | — | | WSPR historical record |
| 1991 · 1991 24 Hours of Le Mans | DNF | 46 | Category 2 | Porsche Kremer Racing | Gregor Foitek · Tiff NeedellGregor Foitek Tomás López Rocha Tiff Needell | Porsche 962C-K6 | Porsche 935/82 3.2L F6 twin turbo | 18 | Wikipedia contributors · CC BY-SA 4.0 |
| 1991 · FIA SWC - Castrol BRDC Empire Trophy, Silverstone | retired | 21 | | Konrad Motorsport | Franz Konrad · Tiff Needell | Porsche 962C | — | 35 | WSPR historical record |
| 1990 · 1990 24 Hours of Le Mans | 3 | 45 | Gr.C1 | Alpha Racing Team | Tiff Needell · Anthony Reid · David SearsTiff Needell Anthony Reid David Sears | Porsche 962 C | Porsche 935/82 3.0L F6 twin turbo | 352 | Wikipedia contributors · CC BY-SA 4.0 |
| 1990 · FIA WSPC - Fuji Film Cup, Suzuka Circuit | 8 | 34 | 2 | Equipe Almeras Fréres (The | Derek Bell · Tiff Needell | Porsche 962C | — | 80 | WSPR historical record |
| 1990 · FIA WSPC - Trofeo Caracciolo, Monza | 8 | 8 | | Joest Porsche Racing | Jonathan Palmer · Tiff Needell | Porsche 962C | — | 81 | WSPR historical record |
| 1990 · FIA WSPC - British Empire Trophy, Silverstone | retired | 8 | | Joest Porsche Racing | Jonathan Palmer · Tiff Needell | Porsche 962C | — | 70 | WSPR historical record |
| 1989 · 1989 24 Hours of Le Mans | DNF | 14 | Gr.C1 | Richard Lloyd Racing | Derek Bell · James Weaver · Tiff NeedellDerek Bell James Weaver Tiff Needell | Porsche 962C GTi | Porsche 935/82 3.0L F6 twin turbo | 339 | Wikipedia contributors · CC BY-SA 4.0 |
| 1989 · WSPC Suzuka | 19 | 14 | 8. C1 | Richard Lloyd Racing | Derek Bell · Tiff Needell | Porsche 962C GTi | — | 76 | WSPR historical record |
| 1989 · Coupe de Dijon, Dijon-Prenios | 5 | 14 | 5. C1 | Richard Lloyd Racing | Derek Bell · Tiff Needell | Porsche 962C GTi | — | 124 | WSPR historical record |
| 1989 · Brands Hatch Trophy | retired | 14 | C1 | Richard Lloyd Racing | Derek Bell · Tiff Needell | Porsche 962C GTi | — | 95 | WSPR historical record |
| 1989 · Int. ADAC Trophäe, Nürburgring | 15 | 14 | 4. C1 | Richard Lloyd Racing | Derek Bell · Tiff Needell | Porsche 962C GTi | — | 100 | WSPR historical record |
| 1989 · Wheatcroft Gold Cup, Donington | source_section_running_in_practice | 14T | | Richard Lloyd Racing | Tiff Needell | Porsche 962C GTi | — | | WSPR historical record |
| 1989 · Wheatcroft Gold Cup, Donington | 11 | 14 | 1. C1 | Richard Lloyd Racing | Derek Bell · Tiff Needell | Porsche 962C GTi | — | 115 | WSPR historical record |
| 1989 · Coupes de Spa, Spa-Francorchamps | retired | 14 | C1 | Richard Lloyd Racing | Tiff Needell · Steven Andskar | Porsche 962C GTi | — | 15 | WSPR historical record |
| 1989 · Trofeo Hermanos Rodriguez, Ciudad de Mexico, Mexico | 4 | 14 | 4. C1 | Richard Lloyd Racing | Derek Bell · Tiff Needell | Porsche 962C GTi | — | 108 | WSPR historical record |
| 1988 · 1988 24 Hours of Le Mans | 24 | 37 | Gr.C1 | Toyota Team Tom's | Hitoshi Ogawa · Paolo Barilla · Tiff NeedellHitoshi Ogawa Paolo Barilla Tiff Needell | Toyota 88C | Toyota 3S-GTM 2.1L S4 turbo | 283 | Wikipedia contributors · CC BY-SA 4.0 |
| 1988 · Fuji 1000 Kilometres, Fuji Speedway | retired | 77 | C1 | Memorex Telex Racing Team | Gianpiero Moretti · Tiff Needell · Harald Huysman | Porsche 962C | — | 14 | WSPR historical record |
| 1988 · Autosport 1000 Kilometres, Silverstone | disqualified | 14 | C1 | Richard Lloyd Racing | Tiff Needell · Derek Bell | Porsche 962C GTi | — | 205 | WSPR historical record |
| 1987 · 1987 24 Hours of Le Mans | DNF | 37 | Gr.C1 | Toyota Team Tom's | Masanori Sekiya · Kaoru Hoshino · Tiff NeedellMasanori Sekiya Kaoru Hoshino Tiff Needell | Toyota 87C -L | Toyota 3S-GTM 2.1L S4 turbo | 39 | Wikipedia contributors · CC BY-SA 4.0 |
| 1987 · 1987 24 Hours of Le Mans | DNA | 22 | Gr.C1 | Portman Lamborghini | Tiff NeedellMauro Baldi Tiff Needell | Tiga- Lamborghini Countach QVX | Lamborghini 5.7L V12 | | Wikipedia contributors · CC BY-SA 4.0 |
| 1987 · Shell Gemini 1000 Kilometres Brands Hatch | retired | 115 | C2 | ADA Engineering | Tiff Needell · Ian Harrower | ADA 02 Ford | — | 90 | WSPR historical record |
| 1986 · 1986 24 Hours of Le Mans | DNA | 22 | Gr.C1 | Portman Lamborghini | Tiff NeedellMauro Baldi Tiff Needell | Tiga- Lamborghini Countach QVX | Lamborghini 5.7L V12 | | Wikipedia contributors · CC BY-SA 4.0 |
| 1986 · Kouros' 1000 km Silverstone | 3 | 10 | 3. C1 | Porsche Kremer Racing | Jo Gartner · Tiff Needell | Porsche 962C | — | 207 | WSPR historical record |
| 1986 · Shell Gemini 1000 km Brands Hatch | 9 | 66 | 8. C1 | Cosmic Racing Promotions | Tiff Needell · Costas Los | March 84G Porsche | — | 219 | WSPR historical record |
| 1986 · Shell Gemini 1000 km Brands Hatch | entry_only | - | C1 | — | Tiff Needell · Mauro Baldi | Lamborghini Countach | — | | WSPR historical record |
| 1986 · Trofeo Silk Cut, Jerez | 9 | 66 | 6. C1 | Cosmic Racing | Tiff Needell · Costas Los | March 84G Porsche | — | 69 | WSPR historical record |
| 1986 · Kouros 1000 Kilometres Spa | 18 | 66 | 4. C1 | Cosmik Racing Promotions | Tiff Needell · Costas Los | March 84G Porsche | — | 114 | WSPR historical record |
| 1986 · Mount Fuji 1000 Kilometres, Fuji Speedway | 18 | 66 | C1 | Cosmik Racing | Costas Los · Tiff Needell | March 84G Porsche | — | 210 | WSPR historical record |
| 1985 · 1985 24 Hours of Le Mans | 11 | 66 | Gr.C1 | EMKA Productions | Steve O'Rourke · Tiff Needell · Nick FaureSteve O'Rourke Tiff Needell Nick Faure | EMKA C83B | Aston Martin DP1229 5.3L V8 | 338 | Wikipedia contributors · CC BY-SA 4.0 |
| 1985 · Silverstone 1000 Kilometres | retired | 66 | C1 | EMKA Productions Ltd. | Tiff Needell · Steve O'Rourke · Bob Evans | EMKA C84/1 Aston Marti | — | 70 | WSPR historical record |
| 1985 · Duschfrish ADAC 1000 Kilometres, Hockenheim | retired | 24 | C1 | Cheetah Automobiles Switzer | Tiff Needell · John Cooper | Cheetah G604 Aston Martin | — | 9 | WSPR historical record |
| 1985 · 1000 km Spa | retired | 66 | C1 | EMKA Production Ltd. | Tiff Needell · James Weaver · Steve O'Rourke | EMKA C84/1 Aston Marti | — | 19 | WSPR historical record |
| 1985 · 1000 km Brands Hatch | retired | 66 | C1 | EMKA Productions | Tiff Needell · Mark Galvin · Steve O'Rourke | EMKA C84/1 Aston Marti | — | 74 | WSPR historical record |
| 1985 · Fuji 1000 Kilometres | 10 | 37 | 0. C1 | Team Ikuzawa | Tiff Needell · James Weaver | Tom's 85C Toyota | — | 57 | WSPR historical record |
| 1984 · 1984 24 Hours of Le Mans | 9 | 17 | Gr.C1 | Porsche Kremer Racing | Tiff NeedellTiff Needell David Sutherland Rusty French | Porsche 956 | Porsche 935/79 2.6L F6 twin turbo | 321 | Wikipedia contributors · CC BY-SA 4.0 |
| 1984 · Mount Fuji 1000 Kilometres | retired | 37 | C1 | Team Ikuzawa | Tiff Needell · James Weaver · Geoff Lees | Tom's 84C Toyota (Ikuzawa 8 | — | 113 | WSPR historical record |
| 1983 · 1983 24 Hours of Le Mans | 17 | 41 | Gr.C | EMKA Productions Ltd. | Tiff Needell · Steve O'Rourke · Nick FaureTiff Needell Steve O'Rourke Nick Faure | EMKA C83/1 | Aston Martin 5.3L V8 | 276 | Wikipedia contributors · CC BY-SA 4.0 |
| 1983 · Trofeo Filippo Caracciolo, Monza | 6 | 14 | 6. C | Richard Lloyd Racing | Jan LAMMERS · Tiff Needell · Richard Lloyd | Porsche 956 | — | 161 | WSPR historical record |
| 1983 · Grand Prix International 1000 Kilometres, Silverstone | retired | 41 | C | EMKA Productions Ltd. | Tiff Needell · Jeff Allam · Steve O'Rourke | EMKA C83/1 Aston Marti | — | 165 | WSPR historical record |
| 1983 · Mount Fuji 1000 Kilometres | not_classified | 7 | C | Autobacs Dome Motorsport | Tiff Needell · Eje Elgh | Dome RC-83 Ford | — | 148 | WSPR historical record |
| 1982 · 1982 24 Hours of Le Mans | DNF | 31 | Gr.C | Nimrod Racing Automobiles | Tiff Needell · Bob Evans · Geoff LeesTiff Needell Bob Evans Geoff Lees | Nimrod NRA/C2 | Aston Martin DP1229 5.3L V8 | 55 | Wikipedia contributors · CC BY-SA 4.0 |
| 1982 · The Pace Petroleum 6 Hours, Silverstone | entry_only | 40 | C | Nimrod Racing Automobile | Tiff Needell | Nimrod NRA/C2 Aston Martin | — | | WSPR historical record |
| 1982 · Trophee Diners Club 1000 kilometres, Spa-Francorchamps | retired | 31 | C | Nimrod Racing Automobiles | Geoff Lees · Tiff Needell | Nimrod NRA/C2 Aston Mar | — | 98 | WSPR historical record |
| 1981 · 1981 24 Hours of Le Mans | DNF | 27 | Gr.6 S +2.0 | I. Bracey (private entrant) | Tiff Needell · Tony TrimmerTiff Needell Tony Trimmer | Ibec P6 | Cosworth DFV 3.0L V8 | 95 | Wikipedia contributors · CC BY-SA 4.0 |
| 1981 · Silverstone 6 Hours | retired | 10 | S+2.0 | Ian Bracey | Tiff Needell · Ian Bracey · Vivian Candy | IBEC P6 Ford | — | 25 | WSPR historical record |
| 1980 · 1980 24 Hours of Le Mans | DNQ | 10 | Gr.6 S 3.0 | I. Bracey (private entrant) | Tiff Needell · Tony TrimmerTiff Needell Tony Trimmer | Ibec P6 | Cosworth DFV 3.0L V8 | | Wikipedia contributors · CC BY-SA 4.0 |
| 1980 · Silverstone 1000 | did_not_start | 2 | S+2.0 | Ian Bracey | Tiff Needell · Tony Trimmer · Ian Bracey | IBEC P6 Ford | — | | WSPR historical record |