2010 Mazda MX-5 1.8L Petrol · SW10 FHB

The latest MOT test result for this 2010 Mazda MX-5 reflects a critical assessment of ongoing mechanical issues, with the vehicle failing in September 2025 and February 2026. The trend over the past six years is not stable; rather, it shows a pattern of recurring major defects, particularly in suspension components and tyre integrity, which have led to multiple dangerous failures. The advisories and major failures—such as fractured coil springs, corroded suspension mountings, and compromised ball joint dust covers—demonstrate a vehicle that has not been adequately maintained, with structural and mechanical degradation progressing despite passing some MOTs. The most recent advisory in February 2026 regarding the rear body structure repair, while not failing the test, indicates persistent underbody corrosion and sealing concerns that warrant further scrutiny, as they may exacerbate future structural integrity risks. The recorded mileage of 61,163 miles for a vehicle aged 16 years represents a remarkably low annual usage rate of approximately 3,823 miles per year, which is unusually low for its age. Such low mileage often suggests periods of prolonged inactivity, potential misuse (e.g., excessive idling or short-distance driving), or storage conditions that accelerate wear. However, the absence of higher mileage accumulation does not negate the mechanical stress caused by standing corrosion, particularly in suspension components and bodywork, where moisture and lack of movement can accelerate rust and degradation. The suspension ball joints and coil springs, which have failed multiple times, are particularly vulnerable to corrosion and fatigue when a vehicle is stationary for extended periods, leading to premature failure. Additionally, the tyre tears recorded in previous MOTs may indicate either underinflation, improper load distribution, or structural weaknesses exacerbated by low usage patterns. Given the vehicle’s history of major suspension and tyre failures, the prospective buyer should conduct a thorough inspection focusing on the front and rear suspension system. During a test drive, listen for unusual clunking or rattling noises from the suspension arms, particularly when navigating bumps or corners, as these may signal loose or failing components. Inspect the front and rear tyres for uneven wear patterns, cracks, or separation, which could confirm the presence of structural tyre damage. Check the suspension for binding or excessive play in the ball joints and coil springs, and visually confirm that all mounting points are secure and free from corrosion. If the suspension components are confirmed to be beyond repair, consider the cost of replacement versus the vehicle’s value, as the MX-5’s suspension is known for its susceptibility to wear in high-mileage or low-maintenance conditions. For the buyer, the advisories and failures suggest that the vehicle has not been serviced according to Mazda’s recommended intervals, particularly for fluid changes and lubrication. Given the age and mileage, the engine oil, differential fluid, and transmission fluid should be replaced or serviced to prevent further internal wear and potential catastrophic failures. The battery should be checked for corrosion on terminals and tested for charge capacity, as prolonged inactivity can lead to sulphation or failure. The brakes should be inspected for disc warping, binding calipers, or excessive pad wear, with particular attention to the corroded suspension mounts, which may affect brake pedal feel and response. Finally, the bodywork should be examined for signs of rust progression, especially around the rear sills and underbody, where the recent structural repair was noted. If the vehicle is to be driven regularly, a comprehensive suspension and tyre replacement package is strongly recommended to mitigate the risks of future failures. If the buyer intends to keep the vehicle stationary, ensure it is stored in a dry, temperature-controlled environment to slow the progression of corrosion and fluid degradation.