2011 Vauxhall Insignia 1.8L Petrol · KU11 WOV

A recurring theme of tyre and brake wear combined with emerging rear sub‑frame corrosion defines the mechanical picture of this 2011 Vauxhall Insignia. The latest MOT on 22 January 2026 was passed, yet it still recorded advisories for cracked rear tyres, a deteriorating rear registration plate and non‑serious rear sub‑frame corrosion, while earlier tests have repeatedly flagged front brake discs as worn and pitted. The pattern shows steady, low‑level issues rather than a sudden failure, indicating that wear items have been present for several years and have not progressed to outright defects. At 53 167 miles the vehicle averages roughly 3 500 miles per year, well below the typical usage for a fifteen‑year‑old car. Such low mileage can mean reduced wear on major power‑train components, but it also raises the possibility of prolonged periods of inactivity, which can accelerate tyre cracking and promote surface rust. The MOT record is continuous from 2019 onward, with a single missing year in 2020, suggesting the car has been regularly tested and therefore any major faults would likely have been recorded. When inspecting the rear tyres, look for visible sidewall cracks, bulges or loss of tread depth, especially around the edges where the advisories note “slightly damaged/cracking or perishing.” A tyre gauge should confirm that tread is comfortably above the 1.6 mm legal minimum; uneven wear may point to alignment or suspension issues. The front brake discs have been flagged as worn and pitted since 2021; during a drive listen for a high‑pitched squeal or feel a pulsating pedal under braking, and check for any visible scoring on the disc surface. Replacement or resurfacing of the discs, together with fresh pads, is advisable before the wear reaches a dangerous level. The rear sub‑frame corrosion noted in the 2025 and 2026 advisories, although described as “not seriously weakened,” warrants a visual inspection for flaking paint, rust streaks or any loosened mounting bolts. Any sign of structural rust progression should be addressed promptly to avoid future weakening of the rear chassis. Finally, the deteriorated rear registration plate should be replaced to meet legal standards, and a brief check of the plate mounting hardware will ensure it is securely attached. Addressing these specific items will give a clearer indication of the car’s remaining roadworthiness and any imminent maintenance costs.