2009 Mazda MX-5 2.0L Petrol · PO59 TKT

The vehicle is currently roadworthy but exhibits a clear trend of progressive structural corrosion and mechanical neglect. While the most recent test in November 2025 at 56,543 miles passed, the record reveals persistent issues with binding service brakes and widespread corrosion on the sub-frames and suspension arms. The maintenance pattern appears reactive rather than proactive, as the 2023 failure involving multiple brake components and exhaust leaks suggests that parts were only addressed upon reaching failure rather than during beforehand. The mileage profile is exceptionally low for a 17-year-old vehicle, averaging approximately 3,300 miles per year. Data shows consistent low-usage, with only 2,714 miles covered between November 2023 and November 2024, and another 3,591 miles in the following year. However, this low mileage likely correlates with the recurring brake binding issues and surface rust, as vehicles that remain stationary for long periods are prone to caliper seizing and moisture accumulation in un-ventilated areas of the chassis. A buyer must conduct a thorough underbody inspection of the front and rear sub-frames to assess structural integrity. The tester has flagged corrosion in these areas every year since 2022, and while currently described as not seriously weakened, the rate of decay is an active concern. Particular attention should be paid to the rear coil springs, which were fractured in 2023 and noted as heavily corroded thereafter. The presence of outer sill covers and undertrays limiting inspection in multiple tests indicates they may be masking rot in the sills, which require physical probing to verify.