2009 Porsche 911 3.8L Petrol · ML09 EXG

The latest MOT test on 16 June 2026 resulted in a pass, though the overall maintenance trend shows a recurring issue regarding fluid containment. While the vehicle has maintained a consistent pass record over the last six years, the reappearance of an oil leak advisory in three of the most recent tests suggests a persistent seep that has not been permanently rectified. This indicates a stagnating maintenance trend where a known defect is being monitored rather than repaired, which is common in older performance vehicles but requires a proactive approach from a new owner. At 68,614 miles over 17 years, the vehicle has averaged approximately 4,036 miles per year. This is significantly low for a vehicle of this age and type, suggesting it has been used primarily as a seasonal or weekend car. While low mileage generally implies less wear on the engine internals and gearbox, it introduces specific mechanical risks associated with long periods of inactivity. Low-usage vehicles are more prone to the degradation of rubber seals and the stagnation of critical lubricants, which may explain the persistent oil leaks noted in the MOT history. The recurring oil leak advisory requires a thorough physical inspection of the engine bay and underbody to identify the exact source, specifically checking for residue around the rear main seals and gaskets. During a test drive, the buyer should be alert for the smell of burning oil, which occurs when leaking fluid contacts the hot exhaust system. Additionally, the 2024 advisory regarding play in the nearside front lower suspension arm ball joint indicates the onset of wear in the front-end geometry. Listen for intermittent clunks or knocks when traversing uneven road surfaces or during low-speed manoeuvring, as worn ball joints can compromise steering precision and lead to uneven tyre wear. Given the low annual mileage, particular attention must be paid to time-based degradation. Inspect all tyre sidewalls for perishing or hairline cracking, as tyres on low-mileage cars often expire due to age before the tread is worn. The brake discs should be examined for heavy surface corrosion or binding calipers, which can occur when a vehicle stands for extended periods. Finally, verify the service records to ensure that oil and other fluids have been changed according to a calendar interval rather than mileage, and check the health of the 12V battery to ensure it has not been degraded by infrequent use.