1998 Mazda MX5 1.8L Petrol · R691 CCY

A pattern of structural corrosion and recurring exhaust and suspension failures defines this MX5’s MOT history, with multiple major failures recorded between 2023 and 2026 despite a clean pass on 22 October 2026. The recent pass follows a re‑test after a seat‑belt anchorage failure the previous day, underscoring that the latest result is contingent on a single corrective action rather than an overall trend of improvement. Earlier failures include fractured front coil springs, a dangerous near‑side anti‑roll bar linkage pin, major rear‑exhaust leaks and excessive carbon‑monoxide emissions, and a severely corroded off‑side rear vehicle structure, all of which point to persistent integrity issues. At 146,680 mi the car averages roughly 5,200 mi per year, a mileage level that is low for a 28‑year‑old sports car and suggests relatively light use or periods of inactivity. Such intermittent usage can exacerbate corrosion, especially on subframe mounting areas that have already been flagged as corroded, and can allow seals and gaskets to dry, contributing to the oil‑leak advisories seen across several tests. The MOT record shows no long gaps in testing, but the clustering of failures in 2024‑2026 indicates that wear and deterioration have accelerated despite the modest annual mileage. Prospective buyers should inspect the seat‑belt anchorage on the off‑side for proper repair and secure attachment, and verify that the rear vehicle structure has been restored to a sound condition before relying on chassis rigidity. The fractured front coil springs recorded in 2024 will require replacement, and the anti‑roll bar linkage pin that was deemed dangerous must be replaced or reinforced to prevent sudden loss of front‑wheel alignment. The exhaust system has repeatedly failed lambda and CO limits and exhibited a major rear leak; a comprehensive overhaul—including replacement of the catalytic converter, sensors and any cracked pipework—is advisable. Persistent oil leakage noted as both advisory and major failure suggests deteriorated gaskets or a compromised oil pan, so a thorough visual inspection for drips and a pressure test of the lubrication system are warranted. During a test drive, listen for clunking or knocking over bumps that would indicate failing suspension bushings or broken springs, and feel for any steering pull that could betray residual anti‑roll bar or subframe weakness. Observe the exhaust plume for excessive smoke or a strong odour of unburnt fuel, which would confirm ongoing emissions issues. Check the under‑carriage for fresh oil stains, rust progression on the subframes, and ensure the brakes deliver firm, progressive pedal feel despite the advisory about front‑disc wear. A detailed pre‑purchase inspection by a specialist familiar with MX5 chassis and exhaust systems is essential before committing, as rectifying the identified structural, exhaust and oil‑leak defects will represent a significant portion of any refurbishment budget.