PORSCHE RACING HISTORY1983 - Sebring 12 Hours
19 March 1983 - Sebring International Raceway, USA
Wayne Baker, Jim Mullen & Kees Nierop win in a Porsche 934
Overall - 1st, 2nd, 3rd : GTP - 1st, 2nd : GTO - 1st
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 934 | 009 00030 | GTO | Wayne Baker (USA)/Jim Mullen (USA)/Kees Nierop (CDN) | Personalized Autohaus (USA) | 1st | 1st | 15th | 231 laps |
| 5 | Porsche 935 K3/80 | 000 00013 | GTP | Bob Akin (USA)/Dale Whittington (USA)/John O'Steen (USA) | Bob Akin Motor Racing (USA) | 2nd | 1st | 6th | 231 laps |
| 86 | Porsche 935/80 | 000 00028 | GTP | Hurley Haywood (USA)/Al Holbert (USA) | Bayside Disposal Racing (USA) | 3rd | 2nd | 7th | 229 laps |
| 65 | Porsche 911 Carrera RSR | 911 560 9119 | GTO | Luis Gordillo (PR)/Manuel Villa (PR)/Chiqui Soldevilla (PR) | Manuel Villa | 7th | 3rd | 41st | 224 laps |
| 35 | Porsche 911 Carrera RSR | 911 460 9113 | GTO | Al Leon (USA)/Paul Gilgan (USA)/Wayne Pickering (USA) | Pegasus Racing | 10th | 5th | 39th | 222 laps |
| 94 | Porsche 935 K3 | 000 0009 | GTP | Don Whittington (USA)/Bill Whittington (USA) | Henn's Swap Shop Racing (USA) | 12th | 5th | 9th | 218 laps |
| 23 | Porsche 911 Carrera RSR | 911 230 0030 | GTU | Tim Selby (USA)/Earl Roe (USA) | Roe/Selby Racing | 15th | 4th | 69th | 210 laps |
| 83 | Porsche 911 Carrera RSR | GTO | Rainer Brezinka (CDN)/Rudy Bartling (CDN)/Roger Schramm (USA) | R & H Racing (CDN) | 16th | 6th | 62nd | 204 laps | |
| 11 | Porsche 911 | GTU | Paul Goral (USA)/Larry Figaro (USA)/Peter Uria (USA) | Paul Goral (USA) | 19th | 7th | 70th | 202 laps | |
| 69 | Porsche 934 | 930 670 0161 | GTO | Mandy Gonzalez (PR)/Hiram Cruz (MEX) | Hiram Cruz Racing (PR) | 20th | 7th | 26th | 201 laps |
| 90 | Porsche 911 SC | 911 030 1263 | GTU | Mike Schaefer (USA)/Doug Zitza (USA)/Jack Refenning (USA) | 901 Shop | 22nd | 8th | 63rd | 198 laps |
| 06 | Porsche 911 Carrera | GTO | Juan Lopez (DR)/Luis Mendez (DR) | Juan Lopez | 23rd | 9th | 57th | 192 laps | |
| 89 | Porsche 911 Carrera RSR | GTO | " Jamsal" (ES)/Eduardo Galdamez (ES)/Eduardo Barrientos (ES) | Taca El Salvador (ES) | 24th | 10th | 40th | 188 laps | |
| 68 | Porsche 911 | GTU | Jack Rynerson (USA)/Van McDonald (USA)/Chris Wilder (USA) | Jack Rynerson | 27th | 10th | 49th | 183 laps | |
| 93 | Porsche 911 | GTU | John Higgins (USA)/James King (USA)/Chip Mead (USA) | Foreign Exchange (USA) | 31st | 12th | 59th | 175 laps - Engine | |
| 30 | Porsche 911 T | 1290486 | GTU | Ron Case (USA)/Craig Case (USA)/Dave Panaccione (USA) | Case Racing | 32nd | 13th | 67th | 173 laps |
| 58 | Porsche 924 Carrera GTR | WP0ZZZ93ZBS720011 | GTO | Deborah Gregg (USA)/Kathy Rude (USA)/Bonnie Henn (USA) | Brumos Racing (USA) | 35th | 14th | 51st | 165 laps - Accident |
| 96 | Porsche 911 Carrera RSR | GTO | Phil Byrd (USA)/Freddy Baker (USA)/Robert Kirby (USA) | Weld Fixturing (USA) | 36th | 15th | 46th | 162 laps | |
| 42 | Porsche 911 S | 119 220 830 | GTU | Gary Wonzer (USA)/Bill Bean (USA)/Buzz Cason (USA) | Gary Wonzer | 37th | 16th | 58th | 162 laps |
| 19 | Porsche 911 Carrera RSR | GTO | Lance Van Every (USA)/Ash Tisdelle (USA) | Van Every Racing (USA) | 39th | 16th | 38th | 153 laps - Engine | |
| 04 | Porsche 911 | GTU | Vince DiLella (USA)/Manuel Cueto (USA) | Di Lella Racing (USA) | 42nd | 18th | 72nd | 152 laps | |
| 79 | Porsche 924 Carrera GTR | WP0ZZZ93ZBS720006 | GTO | Tom Winters (USA)/Bob Bergstrom (USA)/Peter Dawe (USA) | Whitehall Promotions (USA) | 43rd | 19th | 44th | 148 laps |
| 24 | Porsche 935 JLP-2 | 009 00043 | GTP | M. L. Speer (USA)/Ken Madren (USA)/Ray Ratcliff (USA) | Pegasus III Racing (USA) | 44th | 7th | 22nd | 145 laps - Engine |
| 15 | Porsche 911 Carrera RSR | 911 460 0037 | GTO | Doug Lutz (USA)/Mike Brummer (USA)/Larry Connor (USA) | DL Performance Engineering (USA) | 49th | 23rd | 84th | 139 laps |
| 36 | Porsche 924 Carrera GTR | GTO | Paul Miller (USA)/Jim Busby (USA)/Ron Grable (USA) | Herman & Miller P & A (USA) | 50th | 24th | 30th | 132 laps - Engine | |
| 87 | Porsche 911 | GTU | Robert Gottfried (USA)/Tom Turner (USA)/Donald Flores (USA) | Don Flores | 51st | 20th | 77th | 131 laps | |
| 09 | Porsche 935 L | 935 L | GTP | Derek Bell (GB)/Michael Andretti (USA)/John Paul, Jr. (USA) | Henn's Swap Shop Racing (USA) | 56th | 9th | 1st | 125 laps - Engine |
| 34 | Porsche 924 Carrera GTR | GTO | George Drolsom (USA)/Steve Cohen (USA)/William Gelles (USA) | Drolsom Racing (USA) | 59th | 27th | 56th | 94 laps - Engine | |
| 05 | Porsche 935 M16 | 930 990 0032 | GTP | Tico Almeida (USA)/Ernesto Soto (YV) | T & R Racing (USA) | 62nd | 13th | 14th | 82 laps - Accident |
| 99 | Porsche 911 Carrera RSR | GTO | Gustavo Londono (CO)/Carlos Munoz (USA)/Hugo Gralia (USA) | Londono Bridge Racing (CO) | 63rd | 29th | 73rd | 81 laps - Accident | |
| 52 | Porsche 911 | GTU | Dick Gauthier (USA)/Tom Cripe (USA)/Ron Collins (USA)/Bill McVey (USA) | TFC Racing | 65th | 22nd | 68th | 67 laps | |
| 78 | Porsche 911 | 911 030 0568 | GTU | Klaus Bitterauf (USA)/Vicki Smith (USA)/Scott Flanders (USA) | Der Klaus Haus | 68th | 23rd | 64th | 59 laps - Gearbox |
| 31 | Porsche 914/6 | 914 043 0593 | GTU | Jack Griffin (USA)/John Zouzelka (USA) | Pegasus Racing | 76th | 25th | 86th | 38 laps - Accident |
| 50 | Porsche 911 Carrera RSR | GTO | Kikos Fonseca (CR)/Tato Ferrer (PR)/Diego Febles (PR) | Latino Racing | 77th | 35th | 28th | 36 laps - Accident | |
| 07 | Porsche 911 Carrera RSR | GTO | Fred Flaquer (USA)/Gustavo Londono (CO)/Ricardo Londono (CO)/Rene Rodriguez (USA) | Londono Bridge Racing (CO) | 81st | 37th | 83rd | 21 laps - Engine |
IMSA - International Motor Sport Association Sebring 12 Hours
Previous 1983 - Miami GP Next 1983 - Thundersports Brands Hatch