2006 Mazda MX-5 2.0L Petrol · E19 TAW

The defining mechanical characteristic of this vehicle is a progressive pattern of rear suspension corrosion, compounded by a significant emissions and braking failure recorded in early 2025. While the car secured a pass on 2 April 2026, the test sheet carried forward advisories for corroded rear coil springs and rear suspension arms on both sides, indicating that the underlying structural degradation identified since 2022 remains unresolved. The January 2025 failure highlights a separate but critical issue, with the engine management light registering a fault alongside exhaust carbon monoxide and lambda sensor readings exceeding statutory limits, alongside dangerously worn rear brake pads. This combination of persistent chassis corrosion and intermittent emissions system faults suggests a vehicle where underlying wear has been managed to meet minimum legal standards rather than comprehensively addressed. At 69,963 miles over a twenty-year registration period, the vehicle has accumulated approximately 3,500 miles annually, which falls well below typical usage patterns for a car of this age. This low annual mileage often correlates with extended periods of stationary storage or infrequent use, which can accelerate rubber component degradation and promote moisture retention in suspension mounting points and brake assemblies. The testing history shows consistent annual submissions, including a same-day failure and subsequent pass in February 2022, but otherwise demonstrates regular compliance checks. Mechanically, the low odometer reading does not negate the physical deterioration observed; instead, it points to environmental exposure and infrequent lubrication cycles as the primary drivers of the recurring anti-roll bar linkage dust cover failures and the gradual oxidation of the rear suspension mounting areas. Prospective buyers should prioritise a thorough physical inspection of the rear suspension architecture, specifically examining the rear suspension arms and coil spring seats for active rust penetration or flaking metal that could compromise structural integrity. During a test drive, attention must be paid to the rear axle behaviour over uneven surfaces, as corroded mounting points and deteriorated anti-roll bar linkages typically manifest as clunking noises, a vague steering response, or a tendency for the rear to step out under braking or cornering. The 2024 advisory regarding front and rear service brake binding requires verification of caliper piston movement and guide pin lubrication; a test drive should include repeated hard stops to check for brake pedal judder, a pulling sensation to one side, or excessive heat generation from the rear wheels after a short journey. Given the January 2025 dangerous brake pad failure, current pad thickness and disc condition must be measured independently to confirm adequate replacement. The emissions system faults recorded in.