44 used Opel Kadett have been price checked

autouncle-certified

Price-checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

Showing 1 - 25 of 44 results

How much does the Opel Kadett depreciate?

Used Opel Kadett

A used Opel Kadett (1978) model gains about €845 per month in value.


Factors that affect the appreciation of a Opel Kadett:
- Mileage
- Age of the vehicle
- Number of previous owners
- Accidents or damage history
- Trim level, equipment, and options


Appreciation is an important part of calculating the total value of owning a Opel Kadett. In addition to the monthly appreciation of €845, you should also factor in fuel costs, road tax, insurance and maintenance (including tyres and car washes) to get the full monthly value.

How much does a used Opel Kadett cost? Prices, ratings and depreciation by model year

How much does a used Opel Kadett cost? Prices, ratings and depreciation by model year

Model year

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

2025 Opel Kadett

25.740 € - 27.855 €26.750 €0 km-< 10

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: April 25, 2026

Comparison of Opel Kadett variants and prices

No market data available

Opel Kadett (model year 1978) - Price development for the last 12 months and price projection for the next 6 months (April 2025 - September 2026)

Monthly price data with average prices and price ranges

Month

Average market price

Lowest market price

Highest market price

Calculation method

2025 - April
11.440 €
6.800 €16.060 €
Estimate
2025 - May
11.480 €
6.640 €16.300 €
Estimate
2025 - June
10.840 €
6.260 €15.400 €
Estimate
2025 - July
12.580 €
6.700 €18.440 €
Estimate
2025 - August
13.120 €
7.740 €18.500 €
Estimate
2025 - September
13.080 €
7.220 €18.940 €
Estimate
2025 - October
16.160 €
7.740 €24.580 €
Estimate
2025 - November
15.660 €
8.740 €22.560 €
Estimate
2025 - December
16.620 €
9.760 €23.480 €
Estimate
2026 - January
22.480 €
16.760 €28.180 €
Estimate
2026 - February
21.340 €
14.180 €28.520 €
Estimate
2026 - March
21.580 €
15.480 €27.680 €
Estimate
2026 - May
23.740 €
--
Forecast
2026 - June
24.840 €
--
Forecast
2026 - July
25.920 €
--
Forecast
2026 - August
27.000 €
--
Forecast
2026 - September
28.080 €
--
Forecast

All estimates and forecasts are based on actual market data

Last updated: April 25, 2026

Average Monthly Depreciation

A summary of the past 12 and an estimation of the next 6 months.

Past 12 months

10.140 €

Next 6 months

6.500 €

autouncle-certified

Price-checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

All body types for Opel Kadett