2005 Mazda 3 1.6L Petrol · RF55 CWM

The 2005 Mazda 3 passed its most recent MOT on 14 October 2025 at 191,093 miles, following a failure the previous day at 191,089 miles. The maintenance trend is broadly stable but reveals a pattern of deferred minor faults recurring across multiple test cycles. The tester flagged nearside and offside front headlamp lenses as slightly defective in both the October 2025 failure and pass, a condition that has persisted in various forms since at least October 2023. Both front track rod end ball joint dust covers were noted as damaged or deteriorated across the 2024 and 2025 tests, suggesting these have not been replaced despite repeated advisories. Suspension wear is also a recurring theme. The nearside front lower suspension arm bush was flagged as excessively worn in the October 2025 failure, then appeared as merely worn but not excessive in the pass the following day, indicating either a swift repair or a borderline condition that could deteriorate again. The offside rear lower suspension arm bush and rear suspension mounting corrosion have appeared consistently across the 2024 and 2025 tests, pointing to components that are ageing but remain within tolerance for now. The mileage accumulation tells a coherent story. Between 9 October 2023 at 174,067 miles and 8 October 2024 at 182,383 miles, the vehicle covered approximately 8,316 miles in twelve months. The jump from October 2024 to October 2025 shows a further 8,710 miles, bringing the total to 191,093 miles. This equates to roughly 8,500 miles per year over the past two years, consistent with the vehicle's lifetime average of approximately 9,100 miles per year across its 21-year lifespan. There are no suspicious gaps or sudden spikes in the recorded data, and the annual testing pattern has been regular and uninterrupted since at least 2023. A buyer should pay close attention to the structural corrosion flagged repeatedly in the MOT record. The nearside rear integral body structure was noted as corroded with structural rigidity not significantly reduced in the October 2025 test, and the offside rear lower door has shown corrosion advisories in every test since October 2024. The 2024 failure specifically identified a corroded nearside rear body panel in the wheel arch area likely to cause injury, which suggests the rear wheel arches and sills warrant a thorough physical inspection with a torch and moisture meter. The rear suspension mounting points also require careful examination, as corrosion in these prescribed areas can compromise mounting integrity over time even when currently deemed acceptable. The front suspension and steering components deserve equal scrutiny. The repeated track rod end dust cover deterioration allows dirt and moisture ingress, which accelerates ball joint wear and can lead to steering vagueness or failure. The nearside front lower suspension arm bush condition appears marginal, and any clunking from the front over speed bumps would indicate this needs immediate attention. The headlamp aim and lens condition, while minor, suggest the headlamp units themselves may be deteriorating with age, potentially requiring replacement to maintain adequate night-time illumination. The engine management light inoperative warning from the 2025 failure test also warrants investigation, as a non-functioning MIL can mask active engine faults that would otherwise alert the driver to emissions or sensor failures.