2006 Audi A4 Resale Values
| Mileage | Trade-In-Value | Retail Value |
| Clean | Average | Rough | Excellent | Clean | Average | Rough |
| 1 - 12,000 | $23,870 | $22,550 | $18,159 | $28,142 | $27,027 | $25,152 | $22,099 |
| 12,001 - 20,000 | $23,770 | $22,450 | $18,159 | $28,042 | $26,927 | $25,052 | $22,099 |
| 20,001 - 25,000 | $23,670 | $22,350 | $18,159 | $27,942 | $26,827 | $24,952 | $22,099 |
| 25,001 - 30,000 | $23,570 | $22,250 | $18,159 | $27,792 | $26,727 | $24,852 | $22,099 |
| 30,001 - 40,000 | $23,420 | $22,150 | $18,159 | $27,192 | $26,577 | $24,752 | $22,099 |
| 40,001 - 50,000 | $22,720 | $22,000 | $18,159 | $26,492 | $25,877 | $24,602 | $22,099 |
| 50,001 - 60,000 | $22,045 | $21,275 | $18,159 | $25,942 | $25,202 | $23,878 | $22,099 |
| 60,001 - 70,000 | $21,545 | $20,600 | $17,184 | $25,392 | $24,702 | $23,202 | $21,124 |
| 70,001 - 85,000 | $21,045 | $20,100 | $16,734 | $27,792 | $24,202 | $22,702 | $20,674 |
| 85,001 - 100,000 | $23,420 | $19,600 | $16,259 | $27,792 | $26,577 | $22,202 | $20,199 |
| 100,001 - 115,000 | $23,420 | $19,025 | $15,734 | $27,792 | $26,577 | $21,628 | $19,674 |
| 115,001 - 130,000 | $23,420 | $18,425 | $15,184 | $27,792 | $26,577 | $21,028 | $19,124 |
| 130,001 - 999,999 | $23,420 | $17,825 | $14,634 | $27,792 | $26,577 | $20,428 | $18,574 |
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