2009 Vauxhall Insignia 1.8L Diesel · DN09 LDY

The most recent DVSA examination on 12 April 2025 resulted in a pass, however the inspection recorded five separate advisories which, when considered alongside the preceding two test cycles, point to a maintenance trend that is broadly stable but characterised by persistent wear-related issues rather than any genuine remediation of underlying faults. Of particular note is the continuing deterioration of the rear coil springs, which have been flagged for corrosion on three consecutive annual tests across both nearside and offside sides, alongside repeated advisories concerning pitted and scored front brake discs that have appeared consistently since at least January 2022. A failed test in April 2024 was recorded on the same date as a pass, suggesting a minor defect was rectified in the same visit, while an earlier failure in 2023 and another in 2021 each appear to have been resolved quickly. Overall the picture is one of a vehicle that is being presented for test with marginal or borderline components which are not yet at failure thresholds but are accumulating in number year on year. With 132,832 miles recorded over approximately 17 years of service, this Insignia has covered around 7,800 miles annually, which is broadly typical for its age and class and indicates steady, consistent use rather than prolonged standing periods or unusually heavy mileage accumulation. This pattern of regular driving is generally favourable for mechanical health, as it tends to discourage issues such as brake disc corrosion from inactivity, seized caliper pistons, and dry rot in flexible components, while keeping the battery in a reasonable state of charge. There do not appear to be any unusual gaps in the MOT history that would suggest long storage periods, and the mileage progression between tests is consistent with normal commuting or mixed-use driving. Consequently, wear on consumables such as brake pads, discs, tyres, and suspension components should reflect genuine usage rather than calendar-based degradation alone. The recurring advisories on the rear coil springs warrant careful physical inspection, as corrosion of these components on a 17-year-old vehicle of this mileage can progress towards fracture, particularly given the additional stress imposed by UK road surfaces during winter months. A prospective buyer should visually inspect the springs for any visible cracks, flaking, or broken coils, and during a test drive listen for clonking or knocking noises from the rear suspension over speed humps, uneven surfaces, or when cornering. The repeatedly flagged front brake disc pitting is similarly progressive and can manifest as brake shudder, vibration through the steering wheel under heavy braking, or reduced braking efficiency if left unaddressed; disc skim or replacement should be anticipated, and the current pad and disc condition should be measured for remaining service life. The nearside front tyre advisory from the 2025 test indicates that inner-edge wear is occurring, which often points to worn suspension bushes, incorrect tracking, or droplink wear, and a four-wheel laser alignment check would be prudent. Beyond the recorded advisories, several additional checks are advisable for a vehicle of this age and mileage profile. The front oil leak flagged in both 2022 and 2024 tests should be traced and identified, as common sources on the Insignia include the cam cover gasket, sump gasket, and turbo oil feed lines, and an unchecked leak can lead to low engine oil levels and accelerated wear. The noted play in the steering rack inner joints suggests the rack itself or the inner tie rod ends may be approaching the end of their service life, and any clonking, vagueness, or free play felt through the steering wheel during low-speed manoeuvres should be investigated. The deteriorated offside front anti-roll bar linkage ball joint dust cover, if not already addressed, will permit water and grit ingress and accelerate joint wear, producing rattling over rough roads. Finally, irrespective of MOT outcome, prudent inspection should include verification of recent timing belt or chain replacement history according to manufacturer schedule, confirmation of coolant, brake fluid, and automatic or manual transmission fluid renewal within their calendar intervals, inspection of the exhaust mounting and cat-back system for corrosion given the age of the vehicle, and a thorough examination of tyre sidewalls for age-related perishing and cracking, as rubber compounds degrade over time even where tread depth remains legal.