2005 Pontiac Bonneville Resale Values
| Mileage | Trade-In-Value | Retail Value |
| Clean | Average | Rough | Excellent | Clean | Average | Rough |
| 1 - 18,000 | $12,260 | $10,979 | $7,834 | $15,590 | $14,890 | $12,955 | $10,410 |
| 18,001 - 25,000 | $12,160 | $10,879 | $7,834 | $15,490 | $14,790 | $12,855 | $10,410 |
| 25,001 - 30,000 | $12,060 | $10,779 | $7,834 | $15,315 | $14,690 | $12,755 | $10,410 |
| 30,001 - 40,000 | $11,885 | $10,679 | $7,834 | $15,140 | $14,515 | $12,655 | $10,410 |
| 40,001 - 50,000 | $11,710 | $10,504 | $7,834 | $14,390 | $14,340 | $12,480 | $10,410 |
| 50,001 - 60,000 | $10,885 | $10,329 | $7,834 | $13,565 | $13,515 | $12,305 | $10,410 |
| 60,001 - 70,000 | $10,110 | $9,454 | $7,834 | $12,915 | $12,740 | $11,430 | $10,410 |
| 70,001 - 85,000 | $9,485 | $8,704 | $6,859 | $12,340 | $12,115 | $10,680 | $9,435 |
| 85,001 - 100,000 | $8,885 | $8,079 | $6,184 | $15,140 | $11,515 | $10,055 | $8,760 |
| 100,001 - 115,000 | $8,285 | $7,479 | $5,584 | $15,140 | $10,915 | $9,455 | $8,160 |
| 115,001 - 130,000 | $11,710 | $6,929 | $5,009 | $15,140 | $14,340 | $8,905 | $7,585 |
| 130,001 - 999,999 | $11,710 | $6,454 | $4,509 | $15,140 | $14,340 | $8,430 | $7,085 |
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