2014 Mazda 6 2.2L Diesel · GD14 UAH

The most recent DVSA examination on 26 March 2026 resulted in a pass, although two advisories were recorded: corrosion to the rear sub-frame deemed not seriously weakened, and front tyres exhibiting wear on their edges. Looking at the broader pattern, the vehicle achieved clean passes in 2023 and 2025, but the 2026 cycle shows a clear deterioration in mechanical condition, culminating in a major failure just three days prior to the pass on a nearside front suspension arm ball joint. The fact that the tester still flagged rear sub-frame corrosion and tyre edge wear at the subsequent retest suggests these issues were not resolved between attempts. This trajectory indicates a vehicle whose maintenance status has recently declined, and a prospective buyer should not treat the latest pass as evidence of full roadworthiness. With 128,579 miles recorded over roughly twelve years, annual usage equates to approximately 10,715 miles per year, which is broadly consistent with average driving patterns for a car of this age. There are no significant gaps or unusually rapid accumulations in the recorded mileages between MOT tests, suggesting the vehicle has been in regular rather than sporadic use. This level of consistent, moderate-high mileage places typical wear on consumables including brake pads, discs, tyres, suspension bushes, and drivetrain components such as the clutch and dual-mass flywheel if fitted, all of which merit close physical inspection irrespective of what the MOT history alone reveals. The recurrence of rear sub-frame corrosion across both the 2026 failure and pass entries is noteworthy. While the tester judged it not seriously weakened at present, corrosion of structural underbody components tends to progress, particularly in areas exposed to winter road salt and standing water. The vehicle should be examined on a ramp to assess the extent of any flaking or scaling, paying particular attention to mounting points, jacking areas, and sills, as Mazda structural steel is known to deteriorate from the inside out. On a test drive, listen for any clonks or rattles over uneven surfaces, as corroded mounting points can allow components to shift under load. The 2024 advisory regarding a worn nearside front suspension arm rear bush correlates logically with the 2026 major failure of the same arm's ball joint, suggesting progressive degradation of the front suspension assembly rather than an isolated defect. Both nearside and offside front arms, their bushes, and the anti-roll bar drop links should be inspected, as should the rear brake hoses flagged for ferrule corrosion, which can lead to fluid seepage under braking pressure. Front tyre edge wear typically points to incorrect tracking, worn suspension geometry, or sagging springs, so a four-wheel alignment check is advisable alongside replacement tyres. Given the mileage, the buyer should also verify the timing belt or chain service interval compliance, confirm brake disc condition for lipping or corrosion, inspect the exhaust system for hangers and heat shield integrity, and ensure all fluids including brake fluid, coolant, and gearbox oil are within their calendar-based replacement schedules rather than relying solely on the digital service indicator.