| 車齡 |
檢測不合格數 |
檢測數 |
不合格率 |
| 3 | 43,108 | 437,886 | 9.84% |
| 4 | 46,745 | 520,750 | 8.98% |
| 5 | 41,378 | 438,657 | 9.43% |
| 6 | 40,192 | 426,075 | 9.43% |
| 7 | 52,002 | 482,946 | 10.77% |
| 8 | 59,627 | 484,460 | 12.31% |
| 9 | 69,272 | 477,308 | 14.51% |
| 10 | 88,366 | 494,944 | 17.85% |
| 11 | 85,026 | 424,788 | 20.02% |
| 12 | 88,777 | 414,336 | 21.43% |
| 13 | 92,804 | 394,990 | 23.50% |
| 14 | 68,354 | 287,619 | 23.77% |
| 15 | 44,866 | 177,566 | 25.27% |
| 16 | 25,218 | 92,137 | 27.37% |
| 17 | 12,563 | 44,936 | 27.96% |
| 18 | 6,435 | 20,796 | 30.94% |
| 19 | 4,127 | 14,190 | 29.08% |
| 20(含以上) | 13,922 | 46,788 | 29.76% |
| 不詳 | 11,468 | 62,865 | 18.24% |
註１：依車輛出廠年月統計，同車號以1筆計算。
註２：不合格率計算公式如下：
不合格率(%)=(檢測不合格數 / 檢測數) * 100%
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