A late-958.2 Cayenne whose driving experience is superb and whose repair bills are not — the transfer case and coolant/oil leaks are known, expensive patterns you buy around, not surprises.

Two expensive fluid leaks. On V8 cars the coolant pipes and thermostat housing are plastic held with adhesive that a specialist says 'will eventually fail' — a 'when, not if' leak that hides in the engine-V until it's bad; the fix replaces the plastic with aluminum for roughly $1,500–$3,000 in labor because the intake manifold must come off. Separately, the 2016 file documents a timing-cover oil leak from broken aluminum bolts: one owner paid $6,865 at an independent shop (a dealer quoted '$9–10,000') and it recurred. Neither is a safety defect, but both are four-figure jobs. Have a Porsche independent inspect the engine-V for dried coolant and the timing cover for oil weep before buying.

The single most-repeated theme in the 2016–2020 Cayenne files: the leather dashboard shrinks and lifts, with staples pulling out, directly over the passenger airbag. Owners are told by Porsche dealers that a delaminated dash could interfere with airbag deployment, and the recommended fix is a full dashboard replacement quoted around $8,000–$10,000. Porsche treats it as cosmetic and there is no recall; the shared VW-group version of this defect drew a warranty extension at Audi but not at Porsche. It is worth inspecting because of the airbag concern, not just looks — check whether the dash has already lifted.

Two model-specific items. The 958.2's LED/matrix headlights are prone to internal water condensation (a 2015–2018 pattern) that can dim or fail them at night; recall 22V-169 caps only address sealing the adjustment screws, not the condensation, and owners report $4,000-range assembly quotes out of warranty. And on the 2016 3.0-liter V6 diesel, owners report an intermittent acceleration delay after the mandated Volkswagen/Audi/Porsche emissions-settlement modification — Porsche calls it within CARB-agreement parameters. If you're looking at a diesel, drive it hard from a stop; on any car, check both headlights for internal moisture.

Lower-frequency but worth knowing. Air suspension (standard on Turbo, optional elsewhere) eventually sags — a compressor runs ~$1,500 and a single OEM strut ~$2,500–$3,000 at a dealer, with cheaper aftermarket options. The PCM 3.1 infotainment screen is notorious for reboots; a full unit is over $3,000, though the real fix is a ~$50 solid-state drive swap. And the cheapest insurance on the car: keep the sunroof and body drains clear — a blocked drain can flood the interior electronics, a worst-case a specialist says can total the car via a $20,000+ wiring harness. Clean the drains at every oil change.