2009 Mazda MX-5 2.0L Petrol · SL09 FFR

The most recent DVSA examination on 16 July 2026 resulted in a pass, which is a positive immediate indicator, but the accompanying advisory items must be weighed carefully. The advisory noting that the integral body structure is corroded but structural rigidity is not significantly reduced has now appeared across three consecutive tests, alongside last year's advisory regarding corroded floors and subframe, suggesting a slow but persistent progression of chassis corrosion. The additional advisory concerning light oil misting on the rear shock absorbers and corroded rear coil springs is a new and concerning observation, particularly on a vehicle of this age and type, as the rear suspension is fundamental to both ride quality and handling precision on an MX-5. Whilst the test result is currently favourable, the combination of progressively worsening advisories relating to corrosion and the first appearance of suspension component deterioration suggests a maintenance trend that is gradually worsening rather than improving. The recorded mileage of 100,701 miles over 17 years equates to an annual average of approximately 5,924 miles, which is notably low for any road car and particularly so for a sporting two-seater such as the Mazda MX-5. This low utilisation rate strongly suggests extended periods of standing, whether through seasonal use, garaged storage, or simply limited driving. Mechanically, such low annual mileage carries its own risks, including perishing of tyres due to age rather than wear, oxidation and binding of brake calipers from infrequent actuation, degradation of brake fluid through moisture absorption, and deterioration of the 12V battery from repeated partial discharge cycles. Coolant and differential oil also degrade on a calendar basis regardless of mileage, and the buyer should be mindful that low recorded miles do not necessarily equate to a mechanically fresh vehicle, particularly given the corrosion findings already noted on the MOT record. Turning to the specific defects recorded across the history, the most pressing concerns are the chassis and suspension corrosion issues. The 2024 test recorded major defects for excessively corroded rear suspension component mounting areas significantly reducing structural strength, and whilst the vehicle subsequently passed both 2025 and 2026 tests, the persistent advisories regarding corroded body structure, floors and subframe indicate that professional structural inspection beneath the vehicle is essential before purchase. Particular attention should be paid to the rear suspension turrets, trailing arm mounting points, and any boxed sections where moisture can collect, as these are known corrosion hotspots on the NC generation MX-5. On a test drive, listen for any clonks or knocks from the rear suspension over uneven surfaces, and check for uneven rear tyre wear which can indicate compromised geometry from corroded or weakened mounting points. The rear shock absorbers showing oil misting and corroded springs will likely require replacement in the near term, and a bouncy or unsettled rear ride, together with any visible sagging of the rear ride height, would confirm deterioration beyond the advisory threshold. The remaining defect history also warrants close attention. Both front brake pads worn below 1.5mm with worn discs were recorded as dangerous at the 2026 test, meaning replacement was mandatory before the pass was issued, and this work must be verified through invoice evidence or physical inspection of the pads and disc condition. The exhaust system has shown repeated concerns, with a minor leak advisory in 2022 and an insecure system plus failed Lambda emissions reading in 2025, suggesting ongoing exhaust deterioration which should be physically inspected for hangers, flexi-joint condition, and any blowing joints, particularly given the age of the vehicle. The recurring headlamp aim failures in both 2024 and 2026 indicate either damaged adjustment mechanisms or corroded mounting brackets, and should be confirmed as corrected. Steering rack gaiter failure noted in 2025 is a critical item as ingress of dirt accelerates rack wear, and any renewed signs of split gaiters, clunks on full lock, or play in the steering should prompt immediate inspection. Finally, given the low annual mileage, the buyer should verify tyre production dates to rule out aged sidewalls, test battery cranking performance, and confirm full service history including recent brake fluid, coolant, and gearbox oil changes to ensure the vehicle has been maintained on a calendar-appropriate basis as well as a mileage basis.