2005 SEAT Leon 1.9L Diesel · OU54 MXP

The vehicle remains roadworthy but the maintenance trend shows a clear shift towards developing mechanical and fluid leaks. While the most recent test in July 2025 at 119,972 miles passed, it introduced several defects absent in previous years, including an exhaust leak, worn brake discs, and an oil leak. The transition from clean records in 2022 and 2023 to multiple advisories and minor faults suggests the vehicle is entering a phase of age-related component failure. At 119,972 miles over 21 years, this Leon has averaged approximately 5,700 miles per year, which is significantly below the national average. The usage pattern appears consistent with a notable gap between October 2020 and 2022 where the car covered only roughly 3,300 miles in two years. This low mileage often leads to the accelerated degradation of rubber components and seals rather than mechanical wear, which is evidenced by the recurring issues with corroded brake pipes and axle bushes noted in the 2020 inspection. A buyer must prioritise a thorough inspection of the braking system and fluid lines. The corroded rear brake pipes flagged in both 2024 and 2025 indicate ongoing oxidation that will eventually require replacement to prevent catastrophic pressure loss. The persistent oil leak mentioned in the last two tests needs to be traced to determine if it originates from a simple valve cover gasket or a more significant engine seal failure. Furthermore, the exhaust leak identified in July 2025 should be monitored for structural thinning of the manifold or pipework before it causes a future emissions failure.