2015 Vauxhall Insignia 2.0L Diesel · WL15 AAX

The vehicle most recently passed its MOT on 18 August 2026 with no defects or advisories recorded, marking a clean test outcome following two similarly unblemished passes in 2024 and 2025 after the rectification of a windscreen wiper issue. However, examining the broader DVSA history reveals a consistent pattern of advisory items relating to the rear suspension coil springs across four consecutive tests from 2021 through 2024, with the language evolving from worn in the earlier records to corroded by 2024. This progression suggests gradual but steady deterioration of the spring material, a common finding on vehicles of this age exposed to UK road conditions and winter salt. The overall maintenance trend appears stable at present, but the recurring spring advisories indicate an area that warrants close physical inspection, as corrosion weakens spring integrity over time and can ultimately lead to fracture. With a recorded mileage of 58,518 miles over an 11-year period, the vehicle has averaged approximately 5,320 miles annually, which is notably low for its age and points to either predominantly short-trip usage or extended periods of standing between journeys. Such low annual mileage typically reduces wear on high-mileage components such as the engine internals, clutch and transmission, but introduces its own set of age-driven concerns. Extended standing periods encourage brake disc corrosion and potential caliper seizing, oxidation of exposed metal components, and deterioration of rubber and plastic items simply through calendar ageing rather than mechanical wear. Given the recurring rear coil spring advisories, a prospective buyer should carefully inspect both rear springs for visible surface corrosion, flaking, or any signs of cracking at the lower coils where corrosion tends to initiate. On a test drive, listen for clonks or knocks emanating from the rear suspension over bumps, rough road surfaces, or during direction changes, and observe whether the vehicle sits level or shows any unusual sag at the rear. It is also prudent to check the rear brake pads, as advisories for thinning pads appeared in three consecutive tests between 2022 and 2024; although the vehicle subsequently passed without that advisory in 2025 and 2026, the rear discs should be examined for lipping, corrosion, and binding calipers given the periods of inactivity. Additionally, the recurring advisories for tyre cracking or perishing on the offside rear tyre across 2021, 2022 and 2023, while absent from later records, highlight the importance of inspecting all four tyres for sidewall perishing and tread depth, as tyres older than seven years can degrade from age alone regardless of remaining tread. Beyond the recorded defects, the buyer should conduct age-appropriate checks including verification of the 12V battery health, as low-mileage vehicles with irregular use commonly suffer battery degradation and may fail to hold sufficient charge. Brake fluid, coolant and automatic transmission fluid if applicable should be confirmed as recently serviced, as these degrade on a calendar basis and a low-mileage usage pattern does not arrest this process. Inspect all underbody and chassis components for standing corrosion, particularly along suspension arms, subframes and exhaust mounting points, and confirm the service book contains evidence of regular oil and filter changes at appropriate intervals even if the mileage between services has been modest. Finally, ensure that the recent wiper blade replacement noted at the 2024 failure has been carried out with quality components, and verify that all dashboard warning lamps extinguish promptly on ignition to confirm no stored fault codes remain.