Opel Insignia2016

Known issues

• DPF (Diesel Particulate Filter) clogging and regeneration issues, particularly on low-mileage urban drivers; can result in expensive cleaning or replacement (€800–€1,500)
• Diesel injector sticking and carbon build-up, causing rough idling, poor starting, and increased emissions; injector replacement ~€150–€300 per injector
• EGR valve carbon deposits and valve sticking, leading to limp-home mode and loss of power; cleaning or replacement €400–€800
• Timing chain tensioner wear and rattle on cold start, though full chain failure is rare; tensioner replacement €600–€1,000
• Turbocharger lag and occasional boost pressure loss due to carbon accumulation; turbo overhaul/replacement €1,200–€2,000
• Diesel glow plug failures causing hard starting in cold weather; glow plug set replacement ~€100–€200

Good for

• Fuel economy and low CO₂ emissions for high-mileage motorway driving (45–50 mpg real-world if engine is healthy)
• Smooth, linear diesel torque delivery and relaxed cruising experience on longer journeys
• Spacious, comfortable interior with decent boot and good visibility for a sedan of its class
• Robust 2.0 CDTI engine architecture with proven durability if regular servicing is maintained