2006 SEAT Leon 1.6L Petrol · SB56 RVX

The July 2025 test at 112,422 miles recorded a comprehensive failure that points to a worsening maintenance trend rather than a stable or resolving one. The tester flagged service brake efficiency and parking brake efficiency both below 50 per cent of the required value, which is a critical braking deficiency. Multiple brake discs were seriously weakened across all four corners, the handbrake cable had restricted free movement, and both front suspension arms were corroded and seriously weakened. Heavy corrosion was noted across all rear suspension components, and the central engine mounting bracket was damaged or deteriorated, resulting in excessive movement and a gearbox crack. Exhaust emissions failed on carbon monoxide, hydrocarbons, and Lambda readings, while the front flexi pipe had a major leak. The nearside front CV boot was split, and both rear tyres had structural tears. This breadth of failure, covering braking, suspension, structural corrosion, emissions, and drivetrain, indicates the vehicle was presented in a significantly deteriorated state. The mileage pattern is unusual and warrants scrutiny. Between the February 2023 test at 111,764 miles and the May 2024 test at 112,360 miles, the car covered just 596 miles over approximately 15 months. The mileage then remained static at 112,422 miles for the July 2025 test, meaning no recorded use between May 2024 and July 2025. For a vehicle averaging roughly 5,600 miles per year over its 20-year life, this prolonged stationary period raises questions about how the car was stored and whether extended standing contributed to the corrosion and component deterioration observed. Tyres can perish and brake discs can surface-corrode during long periods of inactivity, which aligns with the structural tyre failures and weakened discs recorded. A buyer inspecting this Leon in person should focus on the structural integrity of the front suspension arms, as both were flagged as corroded and seriously weakened in July 2025. The rear suspension requires a thorough underside inspection for heavy corrosion, particularly given the advisory notes on corroded brake pipes and suspension components dating back to 2023. The engine and gearbox mounting arrangement needs close examination, as the cracked gearbox casing and deteriorated central mounting bracket suggest the powertrain may be sitting incorrectly, potentially causing drivetrain vibration or misalignment. The braking system demands a complete assessment. With all four brake discs seriously weakened, a restricted handbrake cable, and efficiency readings below the legal minimum, the entire system likely requires replacement of discs, pads, cables, and a full hydraulic inspection. The exhaust system should be checked for the failed flexi pipe and the root cause of the emissions failures, which could point to a deteriorating catalytic converter or lambda sensor fault. Finally, the nearside front CV boot split and the structural rear tyre failures mean both the drivetrain joint and the rear tyres need immediate attention before the vehicle is roadworthy.