2016 Infiniti Q30 1.5L Diesel · SH16 MLF

Front suspension wear and emerging underside corrosion represent the primary mechanical focal points for this Infiniti Q30 across its recent testing record. While the vehicle successfully secured a pass on 18 July 2026 at 102,230 miles, the examiner recorded minor defects for severely deteriorated ball joint dust covers on both the nearside and offside front anti-roll bar linkages. This latest result follows a pattern of front-end chassis wear documented over preceding tests, which included a damaged nearside front anti-roll bar noted in 2025 and repeated advisories in 2024 and 2025 regarding general corrosion on suspension components and within prescribed structural areas. Outside of an isolated dangerous failure for an excessively worn tyre in November 2020, the vehicle has avoided major mechanical test refusals, though its recent history displays progressive component ageing that requires physical appraisal. With 102,230 recorded miles across approximately ten years of road use, the vehicle has accumulated mileage at an average rate of roughly 10,200 miles per annum. Testing intervals have remained consistent year on year without extended gaps or abnormal mileage spikes, indicating regular, continuous operational use. At this mileage threshold, sustained exposure to road grime, moisture, and road salts inevitably accelerates surface oxidation and bushing degradation on running gear. Given that engine undertrays have previously restricted full underbody visual access during testing, a comprehensive examination of structural mounting points, subframes, and brake lines remains essential. A prospective buyer should direct immediate attention to the front suspension assembly during physical inspection and road testing. With both anti-roll bar link dust covers severely perished, road grit will have ingress into the ball joints, likely leading to accelerated joint wear, play, and eventual failure. During the road test, listen carefully for distinct knocking, rattling, or metallic clicking noises when negotiating low-speed bumps, uneven road surfaces, or during sharp steering transitions. Body roll or an unsettled front axle through corners should also be monitored, particularly given the previous advisory for physical damage to the front anti-roll bar. Underbody inspection on a vehicle lift is strongly advised to verify the severity and extent of the corrosion flagged across 2024 and 2025. You should inspect the subframes, suspension arm mounting points, sills, and exposed steel hydraulic brake pipes to ensure rust is confined to superficial surface scaling rather than structural metal flaking or pitting. Additionally, check the condition of the brake discs and friction material across both axles, alongside tyre tread depth and shoulder wear across the front axle, ensuring previous consumable advisories have been rectified with properly aligned, roadworthy replacements.