2018 Porsche Cayman Pre-Purchase Inspection Checklist
Known Issues — 2018 Porsche Cayman
MINOR
Wastegate rattle on cold start
MODERATE
Carbon buildup on intake valves
MODERATE
Oil separator membrane failure
MINOR
PCM touchscreen freeze
MINOR
Sport exhaust rattle
MINOR
Manual clutch judder from cold on first engagement
What to Inspect
- Turbo rattle on cold start
- Intake valve carbon level
- Oil separator — check intake for oiliness
- PCM software update status
- Manual or PDK function
- Brake pad and tire condition
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Engine oil service | every 10,000 miles | $180-$300 |
| Intake valve walnut blast | every 40,000-60,000 miles | $500-$800 |
| PDK transmission fluid | every 40,000 miles | $250-$450 |
| Clutch replacement (manual) | as needed | $1,500-$2,500 |
| Brake pad/rotor replacement | every 25,000-40,000 miles | $600-$1,000 |
| Major service (plugs, filters) | every 30,000 miles | $700-$1,100 |
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