2020 Porsche Boxster Pre-Purchase Inspection Checklist
Known Issues — 2020 Porsche Boxster
MODERATE
4.0L GTS Flat-6 option re-introduced — verify bore scoring is not present on high-mileage examples
MINOR
Turbo 4-cylinder wastegate rattle on cold start
MODERATE
Carbon buildup on intake valves
MINOR
PCM connectivity and wireless feature bugs
MODERATE
Convertible top hydraulic wear on high-cycle units
MINOR
Sport exhaust valve rattle
What to Inspect
- For GTS 4.0L: compression and leakdown test for bore scoring
- Turbo models: cold start wastegate rattle check
- Convertible top full cycle and seal inspection
- PCM software update and connectivity test
- Verify intake valves on units approaching 40,000 miles
- Brake and tire condition assessment
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Engine oil service | every 10,000 miles | $180-$300 |
| Intake valve walnut blast (turbo) or inspection (NA) | every 40,000-60,000 miles | $500-$800 |
| Convertible top inspection/fluid | every 30,000 miles | $200-$400 |
| PDK transmission fluid | every 40,000 miles | $250-$450 |
| 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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