| Stewart's 2003 Totals | Starts | Avg.Start | Provisionals | Avg.Finish | Points | Finished | Winnings | |
| 36 | 14 | 0 | 15 | 4549 | 7th | $5,227,500 | ||
| No. | Race | Start | Finish | Points | Standing Pos. | Laps/Total | Winnings | Status |
| 1 | Daytona 500 | 8 | 6 | 151 | 7 | 109/109 | $315,454 | Running |
| 2 | Subway 400 | 33 | 20 | 103 | 9 | 392/393 | $103,538 | Running |
| 3 | UAW-DaimlerChrysler 400 | 8 | 5 | 155 | 5 | 267/267 | $163,503 | Running |
| 4 | Bass Pro Shops MBNA 500 | 8 | 5 | 160 | 2 | 325/325 | $113,328 | Running |
| 5 | Carolina Dodge Dealers 400 | 28 | 10 | 134 | 2 | 293/293 | $103,158 | Running |
| 6 | Food City 500 | 10 | 26 | 85 | 3 | 487/500 | $111,518 | Accident |
| 7 | Samsung/RadioShack 500 | 22 | 34 | 61 | 8 | 293/334 | $113,728 | Engine |
| 8 | Aaron's 499 | 19 | 25 | 88 | 9 | 156/188 | $118,708 | Running |
| 9 | Virginia 500 | 8 | 6 | 155 | 7 | 500/500 | $105,953 | Running |
| 10 | Auto Club 500 | 3 | 41 | 50 | 11 | 128/250 | $117,708 | Engine |
| 11 | Pontiac Excitement 400 | 9 | 41 | 40 | 17 | 223/393 | $98,748 | Accident |
| 12 | Coca-Cola 600 | 6 | 40 | 48 | 20 | 245/276 | $140,528 | Running |
| 13 | MBNA Armed Forces Family 400 | 11 | 4 | 165 | 16 | 400/400 | $145,253 | Running |
| 14 | Pocono 500 | 4 | 1 | 180 | 13 | 200/200 | $214,253 | Running |
| 15 | Sirius 400 | 2 | 8 | 147 | 12 | 200/200 | $110,843 | Running |
| 16 | Dodge/Save Mart 350 | 10 | 12 | 127 | 11 | 110/110 | $110,988 | Running |
| 17 | Pepsi 400 | 13 | 21 | 100 | 11 | 160/160 | $114,128 | Running |
| 18 | Tropicana 400 | 1 | 2 | 180 | 8 | 267/267 | $213,468 | Running |
| 19 | New England 300 | 8 | 22 | 97 | 9 | 300/300 | $104,528 | Running |
| 20 | Pennsylvania 500 | 33 | 37 | 57 | 14 | 153/200 | $105,203 | Engine |
| 21 | Brickyard 400 | 15 | 12 | 137 | 13 | 160/160 | $224,728 | Running |
| 22 | Sirius @ The Glen | 43 | 11 | 130 | 11 | 90/90 | $101,233 | Running |
| 23 | GFS Marketplace 400 | 23 | 3 | 165 | 11 | 200/200 | $140,063 | Running |
| 24 | Sharpie 500 | 18 | 23 | 94 | 11 | 494/500 | $119,138 | Running |
| 25 | Mountain Dew Southern 500 | 20 | 12 | 127 | 10 | 367/367 | $109,503 | Running |
| 26 | Chevy Rock & Roll 400 | 14 | 27 | 82 | 11 | 397/400 | $100,283 | Running |
| 27 | Sylvania 300 | 32 | 20 | 103 | 11 | 299/300 | $138,328 | Running |
| 28 | MBNA America 400 | 11 | 3 | 170 | 10 | 400/400 | $153,408 | Running |
| 29 | EA Sports 500 | 11 | 3 | 165 | 9 | 188/188 | $163,333 | Running |
| 30 | Banquet 400 | 14 | 4 | 160 | 8 | 267/267 | $155,578 | Running |
| 31 | UAW-GM Quality 500 | 6 | 1 | 185 | 7 | 334/334 | $312,478 | Running |
| 32 | Subway 500 | 16 | 3 | 170 | 7 | 500/500 | $129,478 | Running |
| 33 | Bass Pro Shops MBNA 500 | 24 | 2 | 180 | 7 | 325/325 | $207,678 | Running |
| 34 | Checker Auto Parts 500 | 6 | 18 | 109 | 7 | 312/312 | $102,128 | Running |
| 35 | Pop Secret 400 | 29 | 9 | 138 | 7 | 393/393 | $100,403 | Running |
| 36 | Ford 400 | 13 | 7 | 151 | 7 | 267/267 | $123,203 | Running |