2002 Mercury Grand Marquis Resale Values
| Mileage | Trade-In-Value | Retail Value |
| Clean | Average | Rough | Excellent | Clean | Average | Rough |
| 1 - 30,000 | $7,770 | $6,535 | $3,888 | $10,817 | $10,125 | $8,358 | $5,758 |
| 30,001 - 40,000 | $7,670 | $6,435 | $3,888 | $10,717 | $10,025 | $8,258 | $5,758 |
| 40,001 - 50,000 | $7,570 | $6,335 | $3,888 | $10,617 | $9,925 | $8,158 | $5,758 |
| 50,001 - 60,000 | $7,470 | $6,235 | $3,888 | $10,517 | $9,825 | $8,058 | $5,758 |
| 60,001 - 70,000 | $7,370 | $6,135 | $3,888 | $10,167 | $9,725 | $7,958 | $5,758 |
| 70,001 - 85,000 | $7,020 | $6,035 | $3,888 | $9,542 | $9,375 | $7,858 | $5,758 |
| 85,001 - 100,000 | $6,245 | $5,685 | $3,888 | $8,767 | $8,600 | $7,508 | $5,758 |
| 100,001 - 115,000 | $5,520 | $4,885 | $3,888 | $8,042 | $7,875 | $6,708 | $5,758 |
| 115,001 - 130,000 | $4,920 | $4,285 | $3,113 | $7,442 | $7,275 | $6,108 | $4,983 |
| 130,001 - 150,000 | $4,220 | $3,585 | $2,513 | $10,167 | $6,575 | $5,408 | $4,383 |
| 150,001 - 170,000 | $3,520 | $2,885 | $1,738 | $10,167 | $5,875 | $4,708 | $3,608 |
| 170,001 - 999,999 | $2,820 | $2,185 | $1,063 | $10,167 | $5,175 | $4,008 | $2,933 |
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