BMW 6-Series 645Ci Convertible Prices
| Mileage | Trade-In-Value | Retail Value |
| Clean | Average | Rough | Excellent | Clean | Average | Rough |
| 1 - 25,000 | $31,725 | $28,965 | N/A | $37,150 | $35,512 | $32,000 | N/A |
| 25,001 - 30,000 | $31,625 | $28,865 | N/A | $37,050 | $35,412 | $31,900 | N/A |
| 30,001 - 40,000 | $31,525 | $28,765 | N/A | $36,900 | $35,312 | $31,800 | N/A |
| 40,001 - 50,000 | $31,375 | $28,665 | N/A | $36,575 | $35,162 | $31,700 | N/A |
| 50,001 - 60,000 | $31,050 | $28,515 | N/A | $35,875 | $34,838 | $31,550 | N/A |
| 60,001 - 70,000 | $30,275 | $28,190 | N/A | $35,100 | $34,062 | $31,225 | N/A |
| 70,001 - 85,000 | $29,475 | $27,390 | $21,195 | $34,300 | $33,262 | $30,425 | $25,738 |
| 85,001 - 100,000 | $28,600 | $26,540 | $20,370 | $33,425 | $32,388 | $29,575 | $24,912 |
| 100,001 - 115,000 | $27,800 | $25,640 | $19,495 | N/A | $31,588 | $28,675 | $24,038 |
| 115,001 - 130,000 | N/A | $24,965 | $18,695 | N/A | N/A | $28,000 | $23,238 |
| 130,001 - 150,000 | N/A | $24,340 | $17,995 | N/A | N/A | $27,375 | $22,538 |
| 150,001 - 999,999 | N/A | $23,815 | $17,395 | N/A | N/A | $26,850 | $21,938 |
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Submodel Select
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