2023 Porsche 911 Pre-Purchase Inspection Checklist
Known Issues — 2023 Porsche 911
MINOR
PCM connectivity glitches with Apple CarPlay wireless on some units
MODERATE
Carbon buildup beginning on intake valves
MINOR
Sport exhaust valve rattle — common characteristic on 992 engines
MINOR
Rear wiper motor failure on Targa models reported by some owners
MINOR
Minor wind noise from roof seals at high speeds on Cabriolet
What to Inspect
- Test wireless CarPlay and Bluetooth connectivity
- Verify all software modules are current
- Listen for exhaust valve rattle at cold idle
- Test all driver assist systems at highway speeds
- Inspect for any cosmetic damage given near-new status
- Confirm full Porsche warranty transferability
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Major service (spark plugs, filters, fluids) | every 30,000 miles | $1,000-$1,600 |
| Intake valve walnut blast cleaning | every 40,000-60,000 miles | $600-$1,000 |
| 8-speed PDK fluid | every 40,000 miles | $350-$550 |
| Brake fluid flush | every 2 years | $150-$250 |
| Tire replacement (rear 305/30-20) | every 15,000-25,000 miles | $1,400-$2,000 |
| Annual inspection | yearly | $500-$800 |
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