2004 Buick Park Avenue Resale Values
| Mileage | Trade-In-Value | Retail Value |
| Clean | Average | Rough | Excellent | Clean | Average | Rough |
| 1 - 25,000 | $13,465 | $11,748 | N/A | $17,242 | $16,192 | $13,883 | N/A |
| 25,001 - 30,000 | $13,365 | $11,648 | N/A | $17,142 | $16,092 | $13,783 | N/A |
| 30,001 - 40,000 | $13,265 | $11,548 | N/A | $16,892 | $15,992 | $13,683 | N/A |
| 40,001 - 50,000 | $13,015 | $11,448 | N/A | $16,667 | $15,742 | $13,583 | N/A |
| 50,001 - 60,000 | $12,790 | $11,198 | N/A | $15,867 | $15,517 | $13,333 | N/A |
| 60,001 - 70,000 | $11,915 | $10,973 | N/A | $14,967 | $14,642 | $13,108 | N/A |
| 70,001 - 85,000 | $10,915 | $10,048 | $8,063 | $14,017 | $13,642 | $12,183 | $10,742 |
| 85,001 - 100,000 | $10,090 | $8,973 | $7,113 | $13,267 | $12,817 | $11,108 | $9,792 |
| 100,001 - 115,000 | $9,390 | $8,298 | $6,088 | N/A | $12,117 | $10,433 | $8,767 |
| 115,001 - 130,000 | N/A | $7,598 | $5,388 | N/A | N/A | $9,733 | $8,067 |
| 130,001 - 150,000 | N/A | $6,973 | $4,663 | N/A | N/A | $9,108 | $7,342 |
| 150,001 - 999,999 | N/A | $6,473 | $4,213 | N/A | N/A | $8,608 | $6,892 |
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