Opel Insignia2017

• Strong depreciation into solid used value; 2017 diesel Insignias hold real appeal for budget-conscious Irish buyers seeking reliable mid-size transport.
• DPF clogging is the main threat — especially if previous owner did mostly short trips under 10 km. Inspect service history for forced regenerations; budget €1,000+ if replacement needed.
• Common-rail diesel injectors prone to carbon fouling after 150k km; check for rough idle, power loss, or white smoke on test drive—early warning signs.
• Confirm full service history and request proof of regular motorway/longer drives to keep DPF healthy; short-trip usage dramatically increases failure risk on this engine.
• At 185k km median, these are mid-life cars—verify NCT status and emission test pass, especially given EGR and DPF sensitivity on older diesels.

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