Opel Kadett value and depreciation
Known for superboss-era hot hatch nostalgia.
Depreciation curve
We class the Opel Kadett as a weak-franchise mainstream in our 12-tier model, which puts its retention at roughly 58% after three years and 44% after five. Perfectly good cars weighed down by dealer-network and parts-cost perception on the used market.
Retention table
| After | Retained |
|---|---|
| 1 year | 76% |
| 3 years | 58% |
| 5 years | 44% |
| 7 years | 32% |
| 10 years | 20% |
Estimates for a new purchase at list price; retail basis, trade-in ≈ 12% under retail.
In South Africa the Kadett badge lived on the Astra F hatchback until 1999, trading on the aura of the earlier GSi and 16V Superboss. Delta Motor Corporation sold it in strong numbers through the 1990s. Most survivors are cheap runabouts now, with the fast versions increasingly collectable.
Kadett against its rivals
Opel Kadett: common questions
Does the Opel Kadett hold its value?
We class the Opel Kadett as a weak-franchise mainstream in our 12-tier model, which puts its retention at roughly 58% after three years and 44% after five. Perfectly good cars weighed down by dealer-network and parts-cost perception on the used market.
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All figures are modelled estimates for planning, not offers or valuations. Data reviewed 2026.