2015 Vauxhall Insignia 2.0L Diesel · FN65 CYG

The maintenance trend for this 2015 Vauxhall Insignia presents a mixed picture. The most recent MOT on 6 January 2026 at 145,790 miles resulted in a failure, yet the DVSA record lists no defects. This anomaly typically indicates an administrative failure or an aborted test rather than a mechanical fault. Prior to this, the vehicle passed its January 2025 test at 122,227 miles cleanly, and a similar pass occurred in January 2024 at 104,611 miles following an earlier failed attempt on the same day at the same mileage. The mechanical record remains largely free of recurring faults, suggesting the vehicle has avoided persistent structural or mechanical degradation, though the recent failed test demands clarification from the seller. The mileage accumulation on this Insignia is accelerating rapidly, reflecting a significant increase in recent use. Between January 2023 and January 2024, the car covered 9,137 miles. This jumped to 17,616 miles over the following twelve months, and surged again to 23,563 miles between January 2025 and January 2026. Averaging roughly 13,254 miles per year over its life, the recent trajectory places it well above the national average. Such rapid accumulation places heightened stress on consumables, suspension components, and the drivetrain, meaning wear items will require more frequent replacement than on a lower-mileage example. Because the MOT record lacks specific mechanical advisories, a physical inspection must focus on components susceptible to high-mileage stress. Examine the suspension bushes and coil springs for deterioration, alongside checking the brake discs and calipers for uneven wear or binding, which are common failure points on heavily used Insignias. Inspect the exhaust system for corrosion and verify the structural integrity of the underbody and suspension mounting points, as high mileage can exacerbate rust in these areas. The tyre condition and tread depth also warrant close scrutiny, as high-mileage vehicles often exhibit accelerated wear on these consumables. Ultimately, the accelerating mileage requires a thorough assessment of the engine and transmission to ensure they remain sound under this increased workload.