2007 SEAT Altea 1.6L Petrol · RO57 GDY

The vehicle remains roadworthy but the mechanical condition shows a clear worsening trend regarding structural corrosion. While it passed the most recent test in September 2025 at 23,593 miles, the tester identified corrosion across all four lower suspension arms as well as the rear sub-frame. These defects were classified as not seriously weakened at the time, yet the progression from corroded Macpherson struts in 2024 to widespread suspension arm corrosion in the latest inspection indicates that oxidation is actively spreading through the vehicle's chassis components. The mileage profile is exceptionally low for a 19-year-old vehicle, averaging only 1,242 miles per year. Between September 2021 and September 2025, the car covered only 1,840 miles, suggesting it is used infrequently or sits stationary for long periods. This low usage explains the minimal wear on consumables like tyres, but it often correlates with the accelerated corrosion seen here, as lack of regular use can prevent moisture from drying off the undercarriage, leading to the surface rust noted on the sub-frame and exhaust system. A buyer must conduct a thorough physical inspection of the underbody to assess the depth of the structural rust. The recurring advisories on the sub-frame and suspension arms require close attention to ensure the corrosion has not transitioned into structural thinning that would lead to an expensive future failure. The minor exhaust leak at the centre box noted in 2025 should also be addressed, as these leaks typically worsen as the metal thins further. An inspection of the rear brake discs is also necessary to ensure the pitting and scoring recorded in 2021 have not worsened due to low mileage and potential brake seizing.