Known APK problem

Opel Astra J Sports Tourer / GTC: exhaust and emissions

On the Opel Astra J Sports Tourer / GTC the APK inspector finds exhaust and emissions problems 90% more often than on cars of the same age: at 9–10 years 1.5%, against about 0.8% nationally.

Illustration Opel Astra J Sports Tourer / GTC

Window: Oct 2025 – Sep 2026 · Updated: 16 Oct 2026

What is it?

A leaking exhaust, high emissions or problems with the catalytic converter or particulate filter.

Repair indication: mediuma targeted repair at the garage.

How to check it at the viewing

Start the engine cold and watch for smoke and an uneven idle. Listen for blowing noises under the car.

Ask the seller: Has any work been done on the exhaust, catalytic converter or particulate filter?

By age

Share of inspected Opel Astra J Sports Tourer / GTCs with this defect, compared with all cars of the same age.

AgeTypeAstra J Sports Tourer / GTC95%-CINationalDifferencen
9 – 10 yearsB1.5%1.0 – 2.3%0.8%1.9×1,527
11 – 12 yearsA0.5%0.3 – 0.9%0.4%1.3×2,557
11 – 12 yearsB2.0%1.6 – 2.7%1.3%1.5×2,557
13 – 15 yearsA0.5%0.3 – 0.6%0.5%1.1×7,579
13 – 15 yearsB2.7%2.4 – 3.1%2.7%1.0×7,579

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 9–10 years

ModelExhaust and emissionsVs. national
Opel Astra J Sports Tourer / GTC1.5%1.9×
Mercedes-Benz A-Klasse W1760.3%0.4×

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 · Exhaust and emissions: which models more often · Checklist for this model

Frequently asked questions

Does the Opel Astra J Sports Tourer / GTC often have exhaust and emissions problems?

Yes, more often than average at the APK. At 9–10 years the inspector found a exhaust and emissions defect on 1.5% of inspected Opel Astra J Sports Tourer / GTCs, against about 0.8% of all cars of the same age (1.9×). Source: RDW Open Data, Oct 2025 – Sep 2026.

How do you check the exhaust and emissions on a used Opel Astra J Sports Tourer / GTC?

Start the engine cold and watch for smoke and an uneven idle. Listen for blowing noises under the car.

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