2020 Porsche Cayenne 3.0L Petrol · RE20 WHX

The Porsche Cayenne presents a stable but not flawless roadworthiness record. The most recent MOT on 24 July 2024 at 32,415 miles passed, but the tester flagged three advisories that point to deferred minor maintenance rather than an acute mechanical failure. Rear brake pads were wearing thin, both rear tyres showed cracking or perishing, and a child seat prevented full inspection of the adult seatbelt. None of these are fails, yet together they suggest the last owner addressed major items while leaving smaller consumables to drift. The prior test on 21 July 2023 at 27,888 miles was completely clean, so the trend is slightly downward rather than resolving. Mileage accumulation is modest. The car has covered roughly 4,527 miles in the twelve months between July 2023 and July 2024, and the annualised average across its six-year life sits near 5,402 miles per year. That is below typical use for a vehicle of this type. Low mileage can preserve drivetrain and suspension components, but it also raises the question of long standstill periods, which may explain the perished rear tyres if the car has spent extended time stationary on those same wheels. From a mechanical standpoint, the rear braking system deserves close attention. Thin rear pads at 32,415 miles on a heavy SUV indicate either harder-than-average use or a lack of earlier intervention. A buyer should inspect rear brake disc thickness and condition, check caliper slide pins for free movement, and confirm there is no uneven pad wear that could point to a sticking caliper. The perished rear tyres are a more immediate concern. Cracking or perishing at this mileage suggests age-related deterioration rather than wear, meaning the tyres may need replacement regardless of remaining tread depth, especially if the date codes show they are original or near-original fitments. The obscured seatbelt check is minor but should not be overlooked. A buyer should remove any child restraint and verify that the adult belt retracts cleanly, locks under sharp pull, and shows no fraying or contamination. Beyond the flagged items, a physical inspection should focus on suspension bushes and coil springs, which can suffer from corrosion and fatigue even on low-mileage vehicles that see short trips or prolonged parking. Underbody condition, particularly around suspension mounting points and the exhaust system, should be examined for early corrosion. The record does not indicate any structural or emissions failures, but the pattern of minor advisories in the latest test suggests a pre-purchase mechanical inspection is a prudent step before committing.