2005 Pontiac Grand Prix Resale Values
| Mileage | Trade-In-Value | Retail Value |
| Clean | Average | Rough | Excellent | Clean | Average | Rough |
| 1 - 18,000 | $11,735 | $10,484 | $7,445 | $15,075 | $14,338 | $12,469 | $9,900 |
| 18,001 - 25,000 | $11,635 | $10,384 | $7,445 | $14,975 | $14,238 | $12,369 | $9,900 |
| 25,001 - 30,000 | $11,535 | $10,284 | $7,445 | $14,800 | $14,138 | $12,269 | $9,900 |
| 30,001 - 40,000 | $11,360 | $10,184 | $7,445 | $14,625 | $13,962 | $12,169 | $9,900 |
| 40,001 - 50,000 | $11,185 | $10,009 | $7,445 | $13,875 | $13,788 | $11,994 | $9,900 |
| 50,001 - 60,000 | $10,360 | $9,834 | $7,445 | $13,050 | $12,962 | $11,819 | $9,900 |
| 60,001 - 70,000 | $9,585 | $8,959 | $7,445 | $12,400 | $12,188 | $10,944 | $9,900 |
| 70,001 - 85,000 | $8,960 | $8,209 | $6,470 | $11,825 | $11,562 | $10,194 | $8,925 |
| 85,001 - 100,000 | $8,360 | $7,584 | $5,795 | $14,625 | $10,962 | $9,569 | $8,250 |
| 100,001 - 115,000 | $7,760 | $6,984 | $5,195 | $14,625 | $10,362 | $8,969 | $7,650 |
| 115,001 - 130,000 | $11,185 | $6,434 | $4,620 | $14,625 | $13,788 | $8,419 | $7,075 |
| 130,001 - 999,999 | $11,185 | $5,959 | $4,120 | $14,625 | $13,788 | $7,944 | $6,575 |
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