2021 Porsche Cayenne Pre-Purchase Inspection Checklist
Known Issues — 2021 Porsche Cayenne
MINOR
PCM software connectivity issues with wireless devices
MODERATE
Carbon buildup on intake valves from direct injection
MODERATE
Air suspension height sensor failures
MODERATE
Rear differential oil seals leaking on Turbo models
MINOR
Sport exhaust valve rattle at cold start
MINOR
TPMS sensor battery failures on original sensor sets
What to Inspect
- Test air suspension height sensors and confirm all corners level
- Check for rear differential oil leaks on Turbo variants
- Verify PCM is updated and wireless features work
- Check intake valves on units with 40,000+ miles
- Test all ADAS and active safety systems
- Inspect underbody for leaks and road damage
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Engine oil service | every 10,000 miles | $250-$400 |
| Major service (plugs, filters, fluids) | every 30,000 miles | $800-$1,400 |
| Intake valve walnut blast | every 40,000-60,000 miles | $600-$1,000 |
| Air suspension service | as needed | $1,000-$2,500 |
| Brake pad/rotor replacement | every 30,000-50,000 miles | $900-$1,600 |
| Transfer case fluid | every 40,000 miles | $300-$500 |
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