2006 GMC Sierra Resale Values
| Mileage | Trade-In-Value | Retail Value |
| Clean | Average | Rough | Excellent | Clean | Average | Rough |
| 1 - 12,000 | $16,299 | $14,346 | N/A | $20,409 | $18,917 | $16,237 | N/A |
| 12,001 - 20,000 | $16,199 | $14,246 | N/A | $20,309 | $18,817 | $16,137 | N/A |
| 20,001 - 25,000 | $16,099 | $14,146 | N/A | $20,209 | $18,717 | $16,037 | N/A |
| 25,001 - 30,000 | $15,999 | $14,046 | N/A | $19,934 | $18,617 | $15,937 | N/A |
| 30,001 - 40,000 | $15,724 | $13,920 | N/A | $19,284 | $18,342 | $15,812 | N/A |
| 40,001 - 50,000 | $15,024 | $13,670 | N/A | $18,584 | $17,642 | $15,562 | N/A |
| 50,001 - 60,000 | $14,274 | $12,920 | $10,959 | $17,884 | $16,892 | $14,812 | $13,963 |
| 60,001 - 70,000 | $13,674 | $12,170 | $10,109 | $17,384 | $16,292 | $14,062 | $13,113 |
| 70,001 - 85,000 | $13,198 | $11,645 | $9,484 | N/A | $15,817 | $13,537 | $12,488 |
| 85,001 - 100,000 | N/A | $11,120 | $8,958 | N/A | N/A | $13,012 | $11,962 |
| 100,001 - 115,000 | N/A | $10,220 | $8,308 | N/A | N/A | $12,112 | $11,312 |
| 115,001 - 130,000 | N/A | $9,845 | $7,634 | N/A | N/A | $11,737 | $10,637 |
| 130,001 - 999,999 | N/A | $9,245 | $7,158 | N/A | N/A | $11,137 | $10,162 |
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