2005 Mazda MX-5 1.8L Petrol · YP05 ACU

The most recent MOT history reveals a concerning pattern of repeated failures on consecutive days in April 2026 and April 2025, despite identical mileages at each test. The vehicle passed the April 2024 test cleanly, but the subsequent failures—without recorded defects—suggest either administrative errors in the testing process or a deliberate attempt to bypass genuine inspection. The latest pass on 8 April 2026, just four weeks ago, does not reflect sustained mechanical reliability, particularly when paired with the lack of advisories or defects across all tests. This inconsistency undermines confidence in the vehicle’s current roadworthiness, especially given the age and mileage. The recorded mileage progression of roughly 5,800 miles annually between April 2024 and April 2026 aligns with typical usage for this vehicle’s age, though the exact figures—129,990 to 137,799 to 143,645—show no abrupt spikes or prolonged inactivity. There are no gaps longer than a year between tests, which suggests the vehicle has remained in active use without extended periods of neglect. However, the repeated failures on the same day in consecutive years warrant scrutiny beyond mere mileage, as they imply either a systemic issue with the testing centre or a vehicle prone to intermittent faults that evade detection during brief inspections. Given the lack of specific defects in the MOT record, a buyer should prioritise an independent inspection of high-wear components that often evade MOT scrutiny. The suspension—particularly the coil springs, bushes, and track rods—will need thorough examination for fatigue or corrosion, as will the brake system, including caliper binding, disc runout, and master cylinder condition. The exhaust system should be checked for leaks or structural weakness, especially around joints and mounting points, while the chassis and subframe should be inspected for hidden corrosion, particularly in wheel arches and sills. The electrical system, including lights and indicators, should also be tested, as intermittent faults could explain the repeated failures. Given the age of the vehicle, a full fluid check—brake, clutch, power steering, and coolant—is essential to rule out leaks or contamination.