2009 Porsche 911 3.6L Petrol · S300 ACL

The 2009 Porsche 911 demonstrates a stable and exceptionally clean maintenance trajectory, culminating in a clear pass on November 20, 2025, at 91,906 miles. The record reveals zero mechanical advisories or structural defects across the last four consecutive tests, indicating that previous keepers addressed routine upkeep diligently. The sole recorded failure occurred on May 17, 2024, at 86,821 miles, resulting strictly from non-conforming front and rear registration plates, which were promptly rectified on the same day before issuing a clean pass. This absence of recurring technical faults points to disciplined mechanical management and suggests the vehicle has avoided chronic neglect. Accumulating 91,906 miles over approximately seventeen years yields an average of roughly 5,406 miles annually, confirming a low-mileage usage profile typical for a high-performance sports car. The testing cadence shows consistent seasonal use, though an unusual double entry on May 17, 2024, captures the quick turnaround from failure to pass. Mileage accumulation accelerated slightly between September 2023 at 86,179 miles and December 2024 at 87,618 miles, before a sharper increase to 91,906 miles by November 2025. This recent uptick demonstrates that the flat-six engine has experienced regular running time rather than prolonged periods of stagnant storage, which helps mitigate risks associated with seized ancillaries or dried-out seals. Physical inspection should focus on consumable items and high-stress mechanical assemblies inherent to the 997 generation platform despite the unblemished MOT certificates. Buyers must thoroughly examine the brake discs and pads for uneven wear or thermal cracking, alongside checking the health of the suspension dampers, coil springs, and rubber control arm bushes for age-related perishing. A comprehensive ramp inspection is essential to verify the integrity of the underbody, exhaust system mountings, and the cooling lines running beneath the chassis. Verifying proper engine operating temperatures and checking for oil seepage around the rear main seal and IMS bearing area remains critical during a pre-purchase evaluation.