2012 Porsche Cayenne 3.0L Diesel · GL12 ONU

The 2012 Porsche Cayenne presents a clean and stable maintenance trend through its MOT record. The most recent test on 15 September 2025 at 97,170 miles passed with zero defects, and this pattern of unblemished passes extends back through every recorded test. There are no recurring faults, no advisories, and no evidence of worsening mechanical or structural deterioration across the documented history. The mileage accumulation is consistent and predictable. Between the January 2023 test at 86,225 miles and the September 2025 test at 97,170 miles, the vehicle covered roughly 10,945 miles over approximately two years and eight months, which aligns with the overall average of around 6,900 miles per year for a vehicle of this age. No sudden jumps or suspiciously long dormant periods appear in the record, suggesting regular use rather than prolonged standing or recent high-mileage punishment. Despite the clean MOT history, a physical inspection remains essential. At nearly fifteen years old and approaching six-figure mileage, components such as suspension bushes, coil springs, and drop links will have aged regardless of test outcomes. The exhaust system, particularly the DPF and catalytic converter on this diesel-era Cayenne, warrants a cold-start emissions check. Brake discs, calipers, and flexible hoses should be examined for corrosion and binding, as these are common failure points on high-mileage SUVs that MOTs only partially stress-test. Structural integrity beneath the vehicle deserves close attention. Subframes, sills, and suspension mounting points on Cayennes of this generation are susceptible to corrosion, especially if the car has spent time in wet or salted-road conditions. A clean MOT record is encouraging, but it does not guarantee the absence of cosmetic or early-stage rust that a tester would not classify as a defect. A thorough underbody inspection and a test drive over varied surfaces will reveal any hidden issues the paperwork does not show.