Known APK problem
Opel Astra J Sports Tourer / GTC: leaks
On the Opel Astra J Sports Tourer / GTC the APK inspector finds leaks problems 4.6× as often as on cars of the same age: at 13–15 years 25.8%, against about 5.6% nationally.
Window: Oct 2025 – Sep 2026 · Updated: 16 Oct 2026
What is it?
Leaks of oil, coolant or other fluids.
How to check it at the viewing
Look under the engine and where the car was parked. Open the bonnet and look for wet, greasy spots.
Ask the seller: Does the car lose oil or coolant?
By age
Share of inspected Opel Astra J Sports Tourer / GTCs with this defect, compared with all cars of the same age.
| Age | Type | Astra J Sports Tourer / GTC | National | Difference |
|---|---|---|---|---|
| 9 – 10 years | C | 8.2% | 1.5% | 5.5× |
| 11 – 12 years | B | 0.3% | 0.0% | 6.9× |
| 11 – 12 years | C | 14.8% | 2.7% | 5.5× |
| 13 – 15 years | B | 0.3% | 0.1% | 5.1× |
| 13 – 15 years | C | 25.8% | 5.6% | 4.6× |
A = structure, safety or costly mechanics; B = fail, usually simple; C = advisory. An age is missing when this defect is not among the most common there.
Comparable cars at 13–15 years
| Model | Leaks | Vs. national |
|---|---|---|
| Opel Astra J Sports Tourer / GTC | 25.8% | 4.6× |
| Daihatsu Cuore (L276) | 0.9% | 0.2× |
| Hyundai i30 II | 1.1% | 0.2× |
| Mercedes-Benz A-Klasse W176 | 4.3% | 0.8× |
| Mercedes-Benz B-Klasse W245 | 1.2% | 0.2× |
| Mercedes-Benz C-Klasse S204 | 11.2% | 2.0× |
Looking at a Opel Astra J Sports Tourer / GTC? Check that car
Enter the plate and see the APK history, open recalls and how this car compares with other Opel Astra J Sports Tourer / GTCs of the same age.
All weak spots of the Opel Astra J Sports Tourer / GTC · Leaks: which models more often · Checklist for this model
Frequently asked questions
Does the Opel Astra J Sports Tourer / GTC often have leaks problems?
Yes, more often than average at the APK. At 13–15 years the inspector found a leaks defect on 25.8% of inspected Opel Astra J Sports Tourer / GTCs, against about 5.6% of all cars of the same age (4.6×). Source: RDW Open Data, Oct 2025 – Sep 2026.
How do you check the leaks on a used Opel Astra J Sports Tourer / GTC?
Look under the engine and where the car was parked. Open the bonnet and look for wet, greasy spots.
Repair indication: small, medium or large. An indication of the usual repair, not a quote: the real cost depends on the car, the cause and the garage.
Source: RDW Open Data (CC0), analysis CarXray.nl. 6,857,004 inspected passenger cars aged 3 years and older, Oct 2025 – Sep 2026. Each car counts once. How we know