2010 Vauxhall Insignia 2.0L Diesel · AX60 EDF

A pattern of progressive suspension component wear dominates the mechanical narrative of this 2010 Vauxhall Insignia, with the front anti-roll bar ball joint and rear shock absorbers emerging as the primary points of concern. The August 2025 test captured an early-stage advisory noting light oil misting on the nearside rear shock absorber and deteriorated dust cover on the nearside front anti-roll bar ball joint, both of which were permitted to pass at the time. Within twelve months, these advisories escalated into major failures at the 2026-08-07 test, where the shock absorber fluid leak was deemed serious enough to record as a major defect and the anti-roll bar dust cover had deteriorated to the point that it could no longer prevent dirt ingress. The vehicle then passed a retest five days later on 2026-08-12 with no defects recorded, confirming that both components were replaced. While this immediate resolution is positive, the rapid progression from advisory to failure within a single annual cycle suggests the remaining suspension bushes, links, and dampers on this Insignia are approaching a similar wear threshold and warrant close physical inspection. With mileage data unavailable across the recorded test history, no definitive judgement can be made on annual mileage accumulation or usage intensity. The vehicle has been presented for testing consecutively in August of 2024, 2025, and 2026, indicating continuous road use rather than any extended off-road period that might raise concerns about dormant corrosion, seized brake calipers, or stale fluid degradation. The absence of mileage progression data removes the ability to verify whether the car has covered typical annual distances for a 16-year-old vehicle of this class, and any prospective buyer should establish the current odometer reading and cross-reference it with service documentation to confirm the wear rate is consistent with the component degradation observed in the MOT record. The rear shock absorber issue that escalated from light misting to a serious fluid leak in twelve months is the single most important area to evaluate physically before purchase. On a test drive, listen for clonking or metallic knocking from the rear suspension over uneven roads, particularly when travelling over speed bumps or potholes, as worn dampers frequently allow the strut to bottom out and produce audible impact noise. Push down firmly on each rear corner of the stationary vehicle and release; a vehicle that continues to bounce more than once or two oscillations indicates insufficient damping. Equally, inspect the rear shock absorber bodies for any fresh oil residue around the upper mount and lower eye, as a recently replaced unit should be entirely clean and dry, and any sign of continued seepage would suggest a substandard replacement part or incorrect fitment. The front anti-roll bar ball joint and lower suspension arm bushes flagged in 2025 require equally targeted scrutiny. With the nearside front ball joint dust cover having failed completely, water and grit have likely entered the joint, accelerating wear of the internal bearing surfaces. On a test drive, listen for a rhythmic clunking or rattling from the front suspension over rougher tarmac, particularly under braking or when cornering, which is symptomatic of a worn anti-roll bar linkage. The offside front lower suspension arm front bush was also flagged as worn in 2025, and a buyer should listen for suspension knocking over bumps and feel for any vagueness or looseness through the steering, especially on uneven road surfaces. Additionally, request evidence that the nearside front tyres that were recorded as below the 1.6mm legal minimum in August 2024 were replaced with matching specification units of appropriate load and speed rating, and check the current front tyre tread depth and sidewall condition, as the previous rapid wear pattern could indicate an underlying tracking or suspension geometry issue that has not been fully resolved.