2005 Porsche Cayenne 4.5L Petrol · SF05 AUT

The most recent MOT history for this Porsche Cayenne, ending just ten months ago on 29 September 2025, reveals a troubling pattern of repeated failures despite no defects being recorded. The vehicle passed one test and failed the subsequent one on the same day at 133,019 miles, a scenario that strongly suggests either an administrative error in the MOT system or, more likely, a deliberate attempt to circumvent proper inspection. This inconsistency undermines confidence in the vehicle’s true roadworthiness status. Earlier tests in July 2024 and March 2023 also show identical pass/fail pairs at identical mileages, reinforcing the suspicion of irregularities rather than genuine mechanical issues. Without visible defects or advisories in any of these records, the lack of transparency is particularly concerning for a vehicle of this age and complexity. The recorded mileage of 133,019 miles over 21 years aligns with typical usage patterns for a Porsche Cayenne, averaging around 6,300 miles annually. However, the abrupt gaps between tests—particularly the 14-month interval between July 2024 and September 2025—raise questions about whether the vehicle was actively driven or stood unused. The identical mileage figures at each test date (123,379, 129,974, and 133,019) further suggest potential odometer manipulation or inconsistent mileage logging, which would be critical to verify through independent inspection. The absence of any advisories or partial failures in the MOT history also makes it difficult to assess whether critical components like suspension bushes, coil springs, or brake calipers have been neglected over time. Given the repeated failures and the lack of recorded defects, a prospective buyer should prioritise an independent inspection of high-wear areas that are not routinely captured in MOT tests. Focus on the suspension geometry—particularly the condition of rear subframe mounts and front control arm bushes, which are common failure points in this model—and check for binding rear brakes, which often go unnoticed until severe. The drivetrain, including differential seals and transfer case mounts, should also be scrutinised for leaks or excessive play, as these are frequently overlooked until they cause catastrophic failure. Structural integrity, especially around the sills and wheel arches, warrants close examination for corrosion, as does the exhaust system for cracks or excessive rust, which could indicate long-term neglect. The repeated MOT anomalies alone justify thorough verification of these elements before purchase.