2018 Mazda 6 2.2L Diesel · VO18 EHD

The vehicle is currently roadworthy following a clean pass in May 2026 at 116,941 miles. However, the maintenance trend shows a significant decline in standards leading up to a failure in April 2026. Just one month before the current test, the car failed on multiple fronts including an inoperative engine management light, electronic stability control faults, and a defective exhaust particulate filter. While the subsequent pass indicates these issues were addressed, the density of electronic and emission-related failures suggests a period of reactive maintenance rather than preventative care. The mileage profile is high for an eight-year-old vehicle, averaging approximately 14,600 miles per year. There is a sharp increase in usage between February 2024 and April 2026, where the car covered over 20,000 miles in just 24 months. This rapid accumulation explains the sudden onset of mechanical wear issues not previously noted. The clean records between 2021 and 2024 suggest earlier stability, but recent high-intensity use has placed accelerated stress on the drivetrain and suspension assemblies. A buyer must scrutinize the front suspension closely, as the record shows recurring issues with worn arm pin bushes on both the offside in 2025 and the nearside in 2026. The pitted rear brake discs noted in the April 2026 failure also indicate that the braking system may be neglected or prone to corrosion. Given the recent failure of the particulate filter and stability control sensors, a professional diagnostic scan is essential to ensure the underlying electronic faults were fully rectified and are not merely masked by cleared fault codes.