2006 Audi A6 Resale Values
| Mileage | Trade-In-Value | Retail Value |
| Clean | Average | Rough | Excellent | Clean | Average | Rough |
| 1 - 12,000 | $28,529 | $26,434 | $20,503 | $33,173 | $32,070 | $28,988 | $24,843 |
| 12,001 - 20,000 | $28,454 | $26,359 | $20,503 | $33,098 | $31,995 | $28,912 | $24,843 |
| 20,001 - 25,000 | $28,354 | $26,259 | $20,503 | $32,948 | $31,895 | $28,812 | $24,843 |
| 25,001 - 30,000 | $28,204 | $26,159 | $20,503 | $32,773 | $31,745 | $28,712 | $24,843 |
| 30,001 - 40,000 | $28,029 | $26,009 | $20,503 | $32,023 | $31,570 | $28,562 | $24,843 |
| 40,001 - 50,000 | $27,204 | $25,834 | $20,503 | $31,223 | $30,745 | $28,388 | $24,843 |
| 50,001 - 60,000 | $26,379 | $24,959 | $20,503 | $30,573 | $29,920 | $27,512 | $24,843 |
| 60,001 - 70,000 | $25,854 | $24,159 | $19,428 | $30,073 | $29,395 | $26,712 | $23,768 |
| 70,001 - 85,000 | $25,329 | $23,634 | $18,853 | $32,773 | $28,870 | $26,188 | $23,193 |
| 85,001 - 100,000 | $28,029 | $23,084 | $18,303 | $32,773 | $31,570 | $25,638 | $22,643 |
| 100,001 - 115,000 | $28,029 | $22,184 | $17,728 | $32,773 | $31,570 | $24,738 | $22,068 |
| 115,001 - 130,000 | $28,029 | $21,834 | $16,928 | $32,773 | $31,570 | $24,388 | $21,268 |
| 130,001 - 999,999 | $28,029 | $21,234 | $16,528 | $32,773 | $31,570 | $23,788 | $20,868 |
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