2016 Vauxhall Insignia 1.6L Diesel · SW65 VWB

A pattern of significant front and rear suspension deterioration defines the mechanical story of this 2016 Vauxhall Insignia, with two consecutive annual test cycles producing major and dangerous defects. The most recent assessment on 2026-02-13 recorded a clean pass with no advisories, which on the surface suggests current roadworthiness, yet this must be viewed alongside the immediate prior cycle of 2025-02-14 where the vehicle failed outright on dangerous and major suspension defects affecting both rear arms and both front arm rear bushes. The following cycle in 2024-02-15 produced another failure, this time for a dangerously bald nearside front tyre and a fractured offside rear coil spring. With three of the six recorded test events returning failures and four of the seven recorded defects categorised as major or dangerous, the trajectory is one of mechanical decline rather than stability, and the 2026 pass should be interpreted as the outcome of post-failure rectification rather than evidence of underlying durability. Annual mileage of roughly 14,025 miles over a ten-year registration period places this Insignia in high-accumulation territory, considerably above the typical 8,000 to 10,000 miles per year expected for a vehicle of this age. There are no extended lay-up gaps in the recorded testing history, with tests appearing consecutively from 2022 through 2026, which means the suspension and tyre failures cannot be attributed to prolonged standing causing component degradation. Instead, sustained road use at this elevated rate is consistent with accelerated wear of the consumables that have actually failed, particularly suspension bushes, coil springs, and tyres. The combination of high mileage and repeated suspension-related major defects points strongly to a chassis that has absorbed substantial real-world stress over its service life, and the absence of any recorded advisories on the 2026 pass does not contradict this given that major items only tend to be recorded once they have crossed statutory failure thresholds. For a prospective buyer, the suspension components flagged across the 2024 and 2025 tests demand direct physical inspection rather than reliance on the clean 2026 paperwork alone. The 2025 failure identified a fractured offside rear front arm alongside worn bushes on both front arm rear positions and the offside rear upper arm, so particular attention should be paid to the condition of all four corners suspension arms and their bushes, listening for clonks or knocking over uneven surfaces and checking for uneven tyre wear that would indicate geometry disturbance from worn linkages. On a test drive, pay close attention to any rear-end instability, crashing or creaking over bumps, and vagueness or wandering from the steering wheel, all of which can suggest that suspension components renewed at the failure may already be showing renewed wear given the underlying mileage. Given that the offside rear coil spring fractured in 2024, inspect all four springs for signs of corrosion pitting or sagging, and verify that the replacement spring matches the nearside in ride height when parked on level ground. Tyre condition also warrants close scrutiny, as the 2024 test recorded a nearside front tyre at below 1.6mm tread and the 2023 test recorded a nearside rear tyre with a cut exposing ply or cords, indicating a history of rapid or uneven tread depletion. Measure remaining tread depth across all four tyres and inner shoulders, examine sidewalls for bulges or cracking, and confirm that replacements are of consistent make, size, and speed rating. Braking should be assessed dynamically on the test drive for pulling to either side, pedal vibration or judder under firm application, and any sense of binding or handbrake ineffectiveness on an incline, as none of these items have been specifically recorded but high-mileage Insignias commonly exhibit caliper slide pin wear and disc lipping. Finally, given the cumulative weight of major suspension failures in successive test cycles, a thorough inspection on a lift or over a pit is strongly advisable to confirm the integrity of subframe mounting points, anti-roll bar drop links, and any corrosion around suspension pick-up areas before committing to purchase.