2009 Mazda 3 2.0L Petrol · SW58 FXS

The vehicle is currently roadworthy but the maintenance history reveals a worsening trend regarding structural integrity. While it passed its latest test in June 2025 at 106,241 miles, this followed a failure on the same day due to an incorrect headlamp aim. The primary concern remains the persistent progression of corrosion across the chassis, which has appeared in every inspection for the last four years. Although the tester has not yet deemed the rust structurally significant, the recurring mentions indicate an active oxidation process. The mileage pattern is consistent with a vehicle used for low-distance commuting, averaging approximately 6,250 miles per year. Between April 2022 and June 2025, the car covered 20,317 miles, showing a steady usage profile without significant periods of standing. The annual testing intervals suggest the vehicle has been driven regularly, which generally prevents the rapid seizing of mechanical components compared to stationary cars. However, the low mileage does not mitigate the age-related metal fatigue, which is common in older Mazdas exposed to road salt and moisture without frequent cleaning. A buyer must conduct a thorough visual inspection of the underbody, specifically focusing on the front and rear sub-frames and suspension mounting points. The record repeatedly flags corrosion in these areas, and the floor sills and underside are already showing signs of thinning that could eventually lead to structural failure. You should also check the CV boots for fresh grease, as these showed a history of deterioration in 2022 and 2023. Given the exhaust system has previously been noted for poor condition and flexi joint wear, a full system replacement may be required in the near future to prevent further failures.