2009 Toyota Prius 1.8L Electric · MT59 RYR

A pattern of emerging age-related corrosion and suspension wear has developed after several years of clean inspections, as evidenced by the pass on 2 December 2025. While the vehicle maintained a defect-free record from 2018 through 2023, the last two tests indicate a downward trend in the condition of the chassis and underbody components. The recurrence of advisories regarding brake pipe corrosion and suspension covers suggests that the vehicle is now entering a phase of structural and component degradation typical for its age. The recorded mileage of 79,629 miles over seventeen years represents a low annual average of approximately 4,684 miles. This usage profile indicates that the drivetrain and internal engine components have seen relatively light use. However, low-mileage vehicles of this vintage often exhibit accelerated corrosion on stationary components, such as brake lines and coil springs, which is consistent with the defects currently flagged in the DVSA records. Attention must be paid to the rear braking system and suspension, as both the nearside and offside rear brake pipes have been flagged for corrosion and the application of grease or other materials, which can sometimes be used to mask the extent of the rust. The rear coil springs are also noted as corroded. During a physical inspection, these areas should be examined for signs of pitting or leakage. On a test drive, listen for any knocking or clunking sounds coming from the front end, which would indicate that the deteriorated offside front anti-roll bar linkage ball joint dust cover has allowed contaminants to enter the joint, leading to premature wear. The recurring advisories regarding engine covers and under trays suggest these components may be loose or damaged, potentially restricting access for mechanical inspections or risking detachment. Ensure these are securely fastened and not dragging. Given the specific history of corrosion on the brake pipes and springs, a thorough inspection of the undercarriage for further structural rust is necessary to ensure the long-term integrity of the chassis.