2009 SEAT Leon 1.4L Petrol · YP59 LLU

The defining mechanical theme of this 2009 SEAT Leon is a developing pattern of rear suspension corrosion combined with multiple front suspension joint failures and an evolving brake and exhaust deterioration profile. Across the recorded tests, both rear suspension arms have been flagged as corroded on every inspection since 2022, suggesting progressive surface oxidation that has not yet reached structural significance but warrants close monitoring given the vehicle's age. More concerning is the 2025 failure, where both front suspension arm ball joints were recorded as excessively worn alongside a dangerously thin offside rear brake pad, and the 2024 failure, which captured an anti-roll bar linkage ball joint issue, an exhaust leak, and engine management warning lamp illumination. The most recent test on 2026-02-03 returned a pass with advisories for the continuing rear suspension arm corrosion, a minor exhaust leak at the rear, and slightly defective headlamp lenses, indicating that while the immediate roadworthiness criteria are satisfied, the trend of accumulated wear items remains a concern for a 17 year old vehicle approaching higher mileage. Recorded mileage stands at 121,711 miles across the documented period, which corresponds to an annual accumulation of roughly 7,159 miles per year, a figure consistent with regular mixed usage for a car of this age. The testing history shows a relatively continuous pattern of annual submissions from 2021 onwards, with no extended gaps that would suggest prolonged off-road storage or very low usage, meaning the wear items observed are likely to be representative of normal service exposure rather than deterioration from standing. A noticeable increase in test failures and mechanical advisories has emerged from 2024 onwards, which aligns with the higher mileage and the typical life expectancy of suspension joints, exhaust components, and friction materials on a vehicle of this vintage. A prospective buyer should pay particular attention to the rear suspension arms, which have been flagged on every recorded test since 2022, inspecting for any visible flaking, deep pitting, or section loss around the mounting points and bush housings, as corrosion in these areas can advance quickly once initiated. On a test drive, listen for clonks or knocks from the rear suspension over uneven surfaces, particularly when traversing speed humps or potholes, and feel for any vagueness or delay in the rear suspension response. The 2024 and 2025 front suspension arm and anti-roll bar linkage failures indicate that the front end has been a recurring weak point, so any knocking from the front wheels, imprecise steering, or uneven tyre wear across the front axle should be investigated immediately with the vehicle raised for a physical examination of the ball joints and drop links. The braking system also merits specific scrutiny following the dangerous rear pad finding in early 2025. Even allowing for a replacement after that failure, the discs and calipers on a vehicle of this mileage are likely to be approaching their service limits, so the buyer should feel for any judder through the pedal under firm braking, listen for grinding or scraping, and check whether the car pulls to one side under deceleration, which could indicate a binding caliper or uneven pad wear. The 2022 advisory for an oil leak and the 2024 exhaust leak highlight the engine and exhaust as areas of ongoing attention, so visible oil staining on the ground after standing, a strong exhaust drone or ticking under load, and any reappearance of the engine management warning lamp should be considered red flags during inspection and a subsequent road test.