2015 Porsche Boxster Pre-Purchase Inspection Checklist
Known Issues — 2015 Porsche Boxster
MODERATE
IMS (Intermediate Shaft) bearing failure risk — less prevalent on 981 but worth inspecting
CRITICAL
Bore scoring on naturally aspirated flat-six causing oil consumption
MODERATE
Convertible top hydraulic seal failure causing leaks or slow operation
MINOR
HVAC blend door failure causing incorrect temperature output
MODERATE
PDK mechatronic unit wear on high-mileage units
MODERATE
Coolant leak from heat exchanger area
What to Inspect
- Compression and leakdown test — critical for bore scoring detection
- Monitor oil consumption over a test drive period
- Operate convertible top through full cycle — listen for hydraulic issues
- Test PDK function across all modes
- Inspect heat exchanger area for coolant seepage
- Check for any water intrusion in footwells or trunk
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Engine oil service | every 10,000 miles | $180-$300 |
| Major service (plugs, filters, fluids) | every 30,000 miles | $700-$1,100 |
| Convertible top fluid/inspection | 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 |
| Tire replacement | every 20,000-30,000 miles | $800-$1,400 |
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