Compare median asking prices and auction sale prices across 4 Opel models.
| Model | Years | For sale | Median ask | Sold | Median sale 3y | Last sale |
|---|---|---|---|---|---|---|
| GT | 1969–1973 | 3 | $21k | 49 | $11k | Nov 2, 2026 |
| Kadett | 1967–1974 | — | — | 6 | $42k | Sep 24, 2026 |
| Manta | 1972–1974 | 2 | $4k | 4 | $14k | Aug 25, 2026 |
| Rekord | 1960–1986 | — | — | 3 | $9.4k | Aug 18, 2026 |
