2019 Porsche 911 Pre-Purchase Inspection Checklist
Known Issues — 2019 Porsche 911
MINOR
Wastegate rattle on turbocharged flat-six at cold start — cosmetic but common
MODERATE
Carbon buildup on intake valves from direct injection
MINOR
PDK fluid degradation causing shift hesitation on older units
MODERATE
Oil separator membrane failure leading to oil in intake system
MINOR
Sport exhaust valve actuator wear
MINOR
Rear HVAC vent cracking on cabriolet models
What to Inspect
- Compression test and leakdown to verify engine health
- Cold start turbo rattle assessment
- Check intake valves for carbon — ask if walnut blast was performed
- Verify PDK fluid is current and shifts are crisp
- Test all PASM, sport chrono, and drive mode electronics
- Inspect for any accident history on CarFax
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Major service (spark plugs, filters, fluids) | every 30,000 miles | $900-$1,500 |
| Intake valve walnut blast cleaning | every 40,000-60,000 miles | $600-$1,000 |
| PDK transmission fluid | every 40,000 miles | $300-$500 |
| Brake fluid flush | every 2 years | $150-$250 |
| Tire replacement (rear 305/30-20) | every 15,000-25,000 miles | $1,200-$1,800 |
| Annual inspection | yearly | $400-$700 |
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