2006 Nissan Primastar 1.9L Diesel · ST06 SZX

The most recent MOT assessment for this Nissan Primastar, dated 12 January 2026, resulted in a pass, though it follows a period of significant mechanical instability. While the latest result shows only minor defects and advisories, the overall maintenance trend is concerning due to the severity of failures recorded between 2022 and 2025. The vehicle has transitioned from high-risk failures involving structural corrosion, axle deformation, and dangerous tyre defects to a state of manageable wear. However, the recurrence of multiple advisories regarding brake disc condition and lighting deterioration suggests that while the vehicle is currently roadworthy, it is entering a phase of progressive component degradation that requires close monitoring. With a recorded mileage of 112,133 over approximately twenty years, this vehicle has averaged roughly 5,600 miles per year. This is considered very low mileage for a commercial-derived vehicle of this age. While lower mileage generally implies less wear on the drivetrain and engine, it carries specific risks associated with infrequent use. Long periods of standing can lead to accelerated degradation of rubber components, such as suspension bushes and tyre sidewalls, and can cause internal engine components to suffer from moisture buildup or oil sludge. Furthermore, the low usage may explain the observed brake disc pitting and scoring, as brakes that are not frequently used under heavy load are more susceptible to surface corrosion and uneven wear. Prospective buyers must pay particular attention to the vehicle's structural integrity and suspension. The MOT history highlights significant past issues with excessive chassis corrosion and worn Macpherson strut bushes, alongside steering box play. During a test drive, listen closely for any knocking, clunking, or knocking sounds from the front end, especially when navigating uneven surfaces or turning the steering wheel, which could indicate that the previous repairs to the suspension or steering components have not fully resolved the play. Additionally, check the underside of the vehicle for any signs of fresh or advancing corrosion near the body mountings, as the 2025 failure for structural corrosion was a major defect that suggests the vehicle's chassis has been compromised in the past. The braking system and fluid health also require rigorous inspection. The repeated advisories for pitted and scored brake discs on both the front and rear suggest that the braking surfaces are deteriorating; you should check for any pedal pulsation or shuddering under braking, which indicates warped or unevenly worn discs. Given the history of an oil leak and the low annual mileage, it is vital to verify the service history for regular fluid changes. Low-use vehicles often suffer from aged brake fluid, which absorbs moisture and can lead to internal corrosion or spongy pedal feel, and old engine oil that may have lost its lubricating properties. Inspect the engine bay for any signs of active weeping from seals and ensure the tyres do not show signs of perishing or sidewall cracking, which is common in vehicles that spend significant time stationary.