The 2005 Opel Astra GTC 1,8 Ecotec Cosmo 3d is a front-wheel-drive coupé, petrol-powered with a manual gearbox. It has an engine displacement of 1.8 litres and an output of 93 kW (126 hp).
The asking price is 1,600 €. That is 500 € (45%) above maksimi.fi's estimated market price of 1,100 €. The estimate is based on 265 comparable cars. A dealer typically sells this model in about 10 days and a private seller in about 6 days.
The odometer reads 390,000 km, which works out at about 18,000 km per year.
Running the car costs an estimated:
- Vehicle tax 233 € per year
- Insurance 480 € per year
- Financing instalment 54 € per month
Vehicle tax and insurance come to about 710 € per year.
The original tyre size is 195/65 R15. The seller is a private individual, Multia.
Basic information
- Registration number
- AUG-134
- Mileage
- 390,000 km
Verify mileage authenticity - Engine
- 1.8 l, Petrol
- Model year
- 2005
- Gearbox
- Manual
- Drivetrain
- Front-wheel drive
- Body type
- Coupé
- Vehicle type
- Passenger car
- Colour
- Black
- Tyre size
- 195/65 R15
- Wheel size
- 15″
- Steering position
- Left-hand
- maksimi.fi ID
- 173659
- Nettiauto ID
- 15923457
Technical details
- Power
- 93 kW / 127 hp
- Top speed
- 220 km/h
- Fuel consumption
- 7.1 l/100 km (extra-urban)
- Seats
- 5
- Doors
- 3
- Gearbox
- Manual
Equipment
No notable equipment was identified from the listing.
Equipment rating
Loading…
Asking price: 1,600 €
A dealer typically sells this model in about 10 days and a private seller in about 6 days.
| Date | Price | Change |
|---|---|---|
| 14/08/2026 | 1,500 € | – |
| 15/08/2026 | 1,700 € | +200 € |
| 16/08/2026 | 1,600 € | −100 € |
Next inspection
A car over 10 years old is inspected every year. The listing has no inspection date, so the due date cannot be estimated.
Check with TraficomThe interval is derived from the model year, because the listing has no first registration date.
Failures in the same model series
2,062 cars of the Opel ASTRA model series (first registered in 2005) were inspected in 2025. They recorded 2,384 defects leading to a failure, or 115.6 defects per 100 inspections. For cars of the same age nationwide the figure is 93. That is more defects than in cars of the same age on average.
Causes of failures, defects per 100 inspections
- This model series
- All cars
- Brakes 35.2
Service and parking brake, brake dynamometer tests, stability control
- Axles and suspension 33.5
Front and rear axles, springs and dampers, tyres and wheels
- Emissions and leaks 29.2
Exhaust measurement, OBD system, oil, fluid and fuel leaks
The remaining 15.4 % of defects fall under other items. Most advisories concerned lights and electrics (1,329). Median mileage 255,000 km.
Sale periods
Sales
No previous sales.
Listing changes
| Date | What | Change |
|---|---|---|
| 16/08/2026 | Asking price | 1,700 € → 1,600 € |
| 15/08/2026 | Asking price | 1,500 € → 1,700 € |
See detailed history data from carVertical: the report covers the car's mileage records, possible damage, previous owners and registrations.
View history reportMAKSIMI −20% off the report carVerticalFrequently asked questions about this car
How much does Opel Astra GTC 1,8 Ecotec Cosmo 3d cost?
Opel Astra GTC 1,8 Ecotec Cosmo 3d is for sale at 1,600 €.
Is this car well priced?
According to maksimi.fi's price estimate, the asking price is well above market price (estimated market price 1,100 €).
How long has this car been for sale?
The car has been for sale for at least 1 days. The listing entered maksimi.fi's tracking on 14/08/2026.
Has this car been on the market before?
No earlier completed sales are on record for this car.
What model year is the car?
The car is model year 2005.
How many kilometres has the car covered?
The car's mileage is 390,000 km.
How often does this model fail its inspection?
In Traficom's statistics, 50 % of Opel ASTRA cars first registered in 2005 failed their periodic inspection in 2025 (2,062 inspections, median mileage 255,000 km). Failure rates are not directly comparable between models because typical mileage differs.
How common is a 2005 Opel in Finland?
On 30/06/2026 there were 3,004 Opel passenger cars first used in 2005 in traffic use in Finland. That is 3.3 % of all cars first used that year, making it the 11th most common brand of that year among 34 brands. The most common fuel type among them is petrol (97.3 %). The figure is Traficom's snapshot of the whole fleet, not the number of cars for sale.
What causes inspection failures for this model year?
For Opel ASTRA cars first registered in 2005, defects leading to a failure in 2025 inspections came most often from: brakes, axles and suspension, emissions and leaks. That is 115.6 defects per 100 inspections, against 93 for cars of the same age nationwide. Figures count defects, not cars, and describe the model series rather than this individual car.
What fuel type and gearbox does the car have?
The fuel type is petrol and the gearbox is manual.
How much is the car's vehicle tax?
Vehicle tax is 233 € per year. It consists of the base tax, determined by CO₂ emissions or gross weight, and the fuel tax, charged on fuels other than petrol.
What tyre size fits this car?
The car's original tyre size is 195/65 R15.
Where is Opel Astra GTC 1,8 Ecotec Cosmo 3d located?
The car is located in Keski-Suomi (Multia, Keski-Suomi).
Where can I see this car's price history?
This page shows the changes to the car's asking price, its sale periods and the edits made to the listing.