Average Reliability

2017 Porsche Cayenne Pre-Purchase Inspection Checklist

E2 · 3.6L V6 (300hp) / 3.6L Twin-Turbo V6 (420hp S) / 4.8L V8 Turbo (520hp Turbo) · $32,000 - $62,000

Known Issues — 2017 Porsche Cayenne

CRITICAL

Coolant pipe failure behind engine — last year of E2 generation, same known issue

MODERATE

Transfer case wear on high-mileage units

MODERATE

Air suspension compressor failure

MODERATE

Sunroof drain blockage and water intrusion

MODERATE

Carbon buildup on direct-injection V6 intake valves

MINOR

Bluetooth and audio system connectivity issues

What to Inspect

  • Coolant pipe inspection and replacement history
  • Air suspension — test all corners for leaks and proper function
  • Transfer case noise during full engagement
  • Check for oil leaks from valve covers and turbo oil lines
  • Verify all electronics, nav, and audio function
  • Inspect brake rotors for warping — heavy vehicles wear rotors quickly

Expected Maintenance Costs

Service Interval Cost
Engine oil service every 10,000 miles $200-$350
Major service (plugs, filters, fluids) every 30,000 miles $700-$1,200
Coolant pipe replacement (preventive) if not done by 80,000 miles $1,000-$2,000
Air suspension compressor as needed $800-$1,500
Brake pad/rotor replacement every 30,000-50,000 miles $800-$1,500
Transfer case fluid every 40,000 miles $300-$500

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