What are the most common Opel Insignia problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2008 Opel Insignia has 3 documented issues. The most frequently reported are: Insignia A 2.0 CDTI EGR Cooler Crack (Coolant Loss into Intake), Insignia A Aisin AF40 Harsh Shifts / Shudder, Insignia A Flex-Pipe Exhaust Failure. Of these, 2 are rated critical and should be addressed promptly.
Is the Opel Insignia reliable?
The 2008 Opel Insignia has 3 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 2 issues are rated critical: Insignia A 2.0 CDTI EGR Cooler Crack (Coolant Loss into Intake) and Insignia A Aisin AF40 Harsh Shifts / Shudder. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Opel Insignia problems?
Repair costs for known Opel Insignia issues range from $120 to $2,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Insignia A 2.0 CDTI EGR Cooler Crack (Coolant Loss into Intake), typically costs $600-$1,800 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2008-2015 Opel Insignia Insignia A 2.0 CDTI EGR Cooler Crack (Coolant Loss into Intake)?
The A20DT/A20DTH 2.0 CDTI EGR cooler develops internal cracks, allowing coolant to leak into the intake. Symptoms: white smoke from exhaust, mysterious coolant loss with no external leak, sweet smell, eventual no-start as cylinders flood. Common at 100,000-180,000 km. Same engine… Repairs typically run $600-$1,800. Severity: high.
What is the 2008-2017 Opel Insignia Insignia A Aisin AF40 Harsh Shifts / Shudder?
The Aisin AF40 6-speed automatic in Insignia A (2008-2017) develops harsh shifts, shudder during lock-up, and delayed engagement, typically by 100,000-160,000 km. Root cause is degraded ATF and worn solenoids; Opel's "lifetime fill" claim is widely disputed. Repairs typically run $150-$2,500. Severity: high.
What is the 2008-2017 Opel Insignia Insignia A Flex-Pipe Exhaust Failure?
Insignia A front exhaust flex section cracks/fractures around 80,000-150,000 km, especially on diesels. Produces loud rattling/blowing under acceleration, smell of fumes in cabin, and triggers a fault if the lambda sensor is downstream of the leak. Repairs typically run $120-$600. Severity: medium.
