2023 Porsche Cayman Pre-Purchase Inspection Checklist
Known Issues — 2023 Porsche Cayman
MODERATE
4.0L flat-six oil consumption on higher-mileage examples
MINOR
Turbo wastegate rattle at cold start
MODERATE
Carbon buildup on direct-injection intake valves
MINOR
Sport exhaust valve rattle
MINOR
PCM wireless connectivity intermittency
What to Inspect
- Engine compression test regardless of variant
- Turbo models: intake valve carbon
- PCM software status and connectivity
- Test all drive modes
- Confirm factory warranty active
- Check for track event use
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Engine oil service | every 10,000 miles | $180-$300 |
| Intake valve walnut blast (turbo) | every 40,000-60,000 miles | $500-$800 |
| PDK or manual transmission service | every 30,000-40,000 miles | $300-$600 |
| Brake pad/rotor replacement | every 25,000-40,000 miles | $700-$1,500 |
| Major service (plugs, filters) | every 30,000 miles | $700-$1,200 |
| Tire replacement | every 15,000-25,000 miles | $900-$1,600 |
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