-16%
1 /
4
Used (2006) Opel Signum Cosmo 150 HP | Good price
Cosmo 1.9 CDTI frischer TÜV Top
- Apr 2006
- 204.000 km
- Trim Level: Cosmo
- 1.9L Diesel
- Hatchback
- Manual
- 150 HP (110 kW)
- Details
Good price
2.200 €
2.650 €
Kleinanzeigen
91154, Bayern
204 used Opel Signum have been price checked
Market overview: Prices range from €750 to €7,800 across all listings
Featured deals
Verified Dealers
Price-checked by AutoUncle
Super price
Good price
Fair price
A bit pricey
Expensive
-25%
1 /
4
Used (2006) Opel Signum Cosmo 150 HP | Super price
1.9 CDTI Cosmo
- Feb 2006
- 302.636 km
- Trim Level: Cosmo
- 1.9L Diesel
- Hatchback
- Manual
- 150 HP (110 kW)
- CO2 Class: F
- CO2 emissions: 159 g CO2/km comb.
- 5.9 L/100km
- Details
Super price
600 €
800 €
Autoscout24
32278 Kirchlengern, Nordrhein-Westfalen
-13%
1 /
4
Used (2007) Opel Signum Edition+ 150 HP | Good price
1.9 CDTI Edition Plus/Stage
- Oct 2007
- 296.000 km
- Trim Level: Edition+
- 1.9L Diesel
- Hatchback
- Manual
- 150 HP (110 kW)
- CO2 Class: F
- CO2 emissions: 159 g CO2/km comb.
- 6.2 L/100km
- Details
Good price
1.900 €
2.200 €
Autoscout24
35708 Haiger, Hessen
-46%
1 /
4
Used (2006) Opel Signum 155 HP | Good price
2.2 direct, nur 128.500 km, TÜV
- 2006
- 128.800 km
- 2.2L Petrol
- Hatchback
- Manual
- 155 HP (114 kW)
- 8.1 L/100km
- Details
Good price
1.390 €
2.590 €
Kleinanzeigen
85298 Scheyern, Bayern
Featured deals
Verified Dealers
-31%
1 /
4
Used (2004) Opel Signum Cosmo 211 HP | Good price
Cosmo 3.2 V6
- Jul 2004
- 165.000 km
- Trim Level: Cosmo
- 3.2L Petrol
- Hatchback
- Automatic
- 211 HP (155 kW)
- 10.7 L/100km
- Details
Good price
2.290 €
3.350 €
Kleinanzeigen
33014, Nordrhein-Westfalen
-37%
1 /
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Used (2008) Opel Signum 150 HP | Super price
1.9 CDTI Automatik
- 2008
- 260.000 km
- 1.9L Diesel
- Hatchback
- Automatic
- 150 HP (110 kW)
- Details
Super price
750 €
1.200 €
Kleinanzeigen
35649 Bischoffen, Hessen
-36%
1 /
4
Used (2005) Opel Signum 155 HP | Super price
2,2,Automatik Tüv 02.2027
- 2005
- 195.000 km
- 2.2L Petrol
- Hatchback
- Automatic
- 155 HP (114 kW)
- CO2 Class: G
- CO2 emissions: 194 g CO2/km comb.
- 9.1 L/100km
- Details
Super price
950 €
1.500 €
Kleinanzeigen
73650 Winterbach, Baden-Württemberg
-11%
1 /
4
Used (2007) Opel Signum 150 HP | Good price
1.9dcti kombi bj2007
- 2007
- 216.041 km
- 1.9L Diesel
- Hatchback
- Manual
- 150 HP (110 kW)
- Details
Good price
1.150 €
1.299 €
Kleinanzeigen
66706 Perl, Saarland
-14%
1 /
4
Used (2005) Opel Signum Cosmo 150 HP | Good price
Cosmo 2.2 Direct Cosmo
- Aug 2005
- 189.112 km
- Trim Level: Cosmo
- 2.2L Petrol
- Hatchback
- Manual
- 150 HP (110 kW)
- 8.1 L/100km
- Details
Good price
2.300 €
2.700 €
Kleinanzeigen
21147 Hamburg, Hamburg
-35%
1 /
4
Used (2007) Opel Signum 150 HP | Good price
1,9 CDTI - Diesel / 110kW
- 2007
- 275.568 km
- 1.9L Diesel
- Hatchback
- Manual
- 150 HP (110 kW)
- Details
Good price
900 €
1.400 €
Kleinanzeigen
23860 Klein Wesenberg, Schleswig-Holstein
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Verified Dealers
1 /
4
Used (2006) Opel Signum 155 HP | Good price
2,2 direct
- 2006
- 220.000 km
- 2.2L Petrol
- Hatchback
- Automatic
- 155 HP (114 kW)
- CO2 Class: G
- CO2 emissions: 194 g CO2/km comb.
- 9.1 L/100km
- Details
Good price
1.500 €
Kleinanzeigen
39261 Zerbst/Anhalt, Sachsen-Anhalt
-41%
1 /
4
Used (2007) Opel Signum 150 HP | Super price
Diesel Bj. 2007
- 2007
- 216.000 km
- 1.9L Diesel
- Hatchback
- Manual
- 150 HP (110 kW)
- Details
Super price
900 €
1.550 €
Kleinanzeigen
54457 Wincheringen, Rheinland-Pfalz
-28%
1 /
4
Used (2007) Opel Signum 155 HP | Super price
2.2
- 2007
- 189.876 km
- 2.2L Petrol
- Hatchback
- Manual
- 155 HP (114 kW)
- 8.1 L/100km
- Details
Super price
500 €
699 €
Kleinanzeigen
63571 Gelnhausen, Hessen
-37%
1 /
4
Used (2003) Opel Signum 155 HP | Super price
- 2003
- 196.000 km
- 2.2L Petrol
- Hatchback
- Automatic
- 155 HP (114 kW)
- 9.1 L/100km
- Details
Super price
750 €
1.200 €
Kleinanzeigen
26723 Emden, Niedersachsen
-60%
1 /
4
Used (2007) Opel Signum Edition 140 HP | Good price
1.8 Edition Klimaautomatik Eu-4
- Jun 2007
- 222.000 km
- Trim Level: Edition
- 1.8L Petrol
- Hatchback
- Manual
- 140 HP (102 kW)
- CO2 Class: G
- CO2 emissions: 185 g CO2/km comb.
- 7.8 L/100km
- Details
Good price
1.190 €
2.990 €
74613 öhringen, Baden-Württemberg
1 /
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Used (2003) Opel Signum 175 HP | Good price
2.0 Turbo -
- Jun 2003
- 214.000 km
- 2.0L Petrol
- Hatchback
- Manual
- 175 HP (128 kW)
- 9.2 L/100km
- Details
Good price
1.100 €
Kleinanzeigen
49549 Ladbergen, Nordrhein-Westfalen
-30%
1 /
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Used (2006) Opel Signum 160 HP | Good price
2.2 direct Automatik (2006) –
- 2006
- 277.000 km
- 2.2L Petrol
- Hatchback
- Automatic
- 160 HP (117 kW)
- CO2 Class: G
- CO2 emissions: 194 g CO2/km comb.
- 9.1 L/100km
- Details
Good price
700 €
1.000 €
Kleinanzeigen
79639 Grenzach-Wyhlen, Baden-Württemberg
1 /
4
Used (2004) Opel Signum 211 HP | Super price
3.2 V6
- 2004
- 134.752 km
- 3.2L Petrol
- Hatchback
- Manual
- 211 HP (155 kW)
- 10.1 L/100km
- Details
Super price
1.300 €
Kleinanzeigen
57271 Hilchenbach, Nordrhein-Westfalen
-24%
1 /
4
Used (2006) Opel Signum 150 HP | Good price
1.9 CDTI 110kW
- Jul 2006
- 287.000 km
- 1.9L Diesel
- Hatchback
- Manual
- 150 HP (110 kW)
- Details
Good price
1.049 €
1.390 €
04539, Sachsen
1 /
4
Used (2008) Opel Signum 184 HP | Good price
3.0 V6 CDTI,Tüv neu
- 2008
- 232.000 km
- 3.0L Diesel
- Hatchback
- Manual
- 184 HP (135 kW)
- 7 L/100km
- Details
Good price
1.450 €
Kleinanzeigen
95326 Kulmbach, Bayern
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1 /
4
Used (2005) Opel Signum 155 HP | Super price
2,2Benzin auch in Teilen
- 2005
- 205.300 km
- 2.2L Petrol
- Hatchback
- Manual
- 155 HP (114 kW)
- 8.1 L/100km
- Details
Super price
490 €
Kleinanzeigen
94486 Osterhofen, Bayern
-26%
1 /
4
Used (2003) Opel Signum 150 HP | Good price
2.2
- 2003
- 212.219 km
- 2.2L Petrol
- Hatchback
- Manual
- 150 HP (110 kW)
- 8.1 L/100km
- Details
Good price
1.100 €
1.500 €
Kleinanzeigen
56769 Rheinland-Pfalz - Mannebach (Eifel), Rheinland-Pfalz
1 /
4
Used (2005) Opel Signum 150 HP | Good price
- 2005
- 280.000 km
- 1.9L Diesel
- Hatchback
- Manual
- 150 HP (110 kW)
- Details
Good price
750 €
Kleinanzeigen
18311 Ribnitz-Damgarten, Mecklenburg-Vorpommern
-26%
1 /
4
Used (2005) Opel Signum 155 HP | Good price
2.2 L direkt
- 2005
- 260.643 km
- 2.2L Petrol
- Hatchback
- Automatic
- 155 HP (114 kW)
- CO2 Class: G
- CO2 emissions: 194 g CO2/km comb.
- 9.1 L/100km
- Details
Good price
950 €
1.295 €
Kleinanzeigen
74906 Bad Rappenau, Baden-Württemberg
-18%
1 /
4
Used (2006) Opel Signum Sport 155 HP | Super price
2.2 Direct Sport
- Jun 2006
- 257.259 km
- Trim Level: Sport
- 2.2L Petrol
- Hatchback
- Manual
- 155 HP (114 kW)
- 8.1 L/100km
- Details
Super price
900 €
1.100 €
01219, Sachsen
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Showing 1 - 25 of 204 results
How much does the Opel Signum depreciate?
Used Opel Signum
A used Opel Signum (2004) model gains about €10 per month in value.
Factors that affect the appreciation of a Opel Signum:
- 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 Signum. In addition to the monthly appreciation of €10, 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 Signum cost? Prices, ratings and depreciation by model year
Model year | Price range* | Avg. Price | Median Mileage | Depreciation | Cars for sale |
|---|---|---|---|---|---|
2008 Opel Signum | 1.200 € - 7.990 € | 3.397 € | 200.000 km | +860 € | 26 |
2006 Opel Signum | 600 € - 9.250 € | 3.123 € | 204.000 km | -400 € | 37 |
2007 Opel Signum | 550 € - 7.450 € | 2.709 € | 237.200 km | +420 € | 40 |
2005 Opel Signum | 500 € - 5.850 € | 2.524 € | 196.000 km | -100 € | 34 |
*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 Signum variants and prices
Below you can compare prices and depreciation for the {{count}} most popular Opel Signum variants. The table is updated daily with data from the market in Germany.
Variant | Price range* | Avg. Price | Median Mileage | Depreciation | Cars for sale |
|---|---|---|---|---|---|
Opel Signum Elegance | 700 € - 17.990 € | 5.275 € | 176.500 km | +1.260 € | 10 |
Opel Signum Sport | 900 € - 16.000 € | 4.643 € | 200.500 km | -360 € | 10 |
Opel Signum Business | 2.600 € - 7.800 € | 4.633 € | 195.000 km | - | < 10 |
🏆 The most popular Opel Signum Cosmo | 600 € - 9.500 € | 4.583 € | 199.000 km | +660 € | 20 |
📈 The best value Opel Signum Edition+ | 1.900 € - 8.400 € | 3.984 € | 197.500 km | +2.660 € | 10 |
💰 The budget choice Opel Signum Edition | 599 € - 6.200 € | 3.089 € | 161.000 km | +420 € | 18 |
*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
Which variant should you choose?
💰 The budget choice
The Edition is the cheapest entry point with an average price of 3.089 €.
🏆 The most popular
There are the most Cosmo for sale right now (20), which gives you the most options to choose from.
📈 The best value
The Edition+ has held its price stable with minimal loss in value over the past year (+2.660 €).
Opel Signum (model year 2004) - Price development for the last 13 months and price projection for the next 6 months (April 2025 - October 2026)
Month | Average market price | Lowest market price | Highest market price | Calculation method |
|---|---|---|---|---|
| 2025 - April | 2.200 € | 1.300 € | 3.080 € | Estimate |
| 2025 - May | 2.060 €↘ | 1.200 € | 2.920 € | Estimate |
| 2025 - June | 1.860 €↘ | 1.080 € | 2.660 € | Estimate |
| 2025 - July | 1.700 €↘ | 900 € | 2.500 € | Estimate |
| 2025 - August | 1.660 €↘ | 860 € | 2.460 € | Estimate |
| 2025 - September | 1.920 €↗ | 980 € | 2.860 € | Estimate |
| 2025 - October | 1.980 €↗ | 1.020 € | 2.940 € | Estimate |
| 2025 - November | 2.020 €↗ | 1.160 € | 2.860 € | Estimate |
| 2025 - December | 2.040 €↗ | 1.080 € | 3.020 € | Estimate |
| 2026 - January | 2.120 €↗ | 1.060 € | 3.160 € | Estimate |
| 2026 - February | 2.280 €↗ | 1.260 € | 3.300 € | Estimate |
| 2026 - March | 2.320 €↗ | 1.100 € | 3.560 € | Estimate |
| 2026 - April | 2.320 €→ | 1.080 € | 3.540 € | Estimate |
| 2026 - May | 2.380 €↗ | - | - | Forecast |
| 2026 - June | 2.440 €↗ | - | - | Forecast |
| 2026 - July | 2.500 €↗ | - | - | Forecast |
| 2026 - August | 2.560 €↗ | - | - | Forecast |
| 2026 - September | 2.620 €↗ | - | - | Forecast |
| 2026 - October | 2.680 €↗ | - | - | 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
120 €
Next 6 months
360 €
Price-checked by AutoUncle
Super price
Good price
Fair price
A bit pricey
Expensive