Above Average Fiabilitate

Lista de verificare pentru inspecția pre-cumpărare pentru 2015 Porsche 911

991.1 · 3.4L Flat-6 (350hp Carrera) / 3.8L Flat-6 (400hp Carrera S) · $65,000 - $95,000

Probleme Cunoscute — 2015 Porsche 911

MODERATE

IMS bearing failure risk on pre-2009 engines; 991.1 uses updated bearing but inspect service history

CRITICAL

Bore scoring on early 991.1 direct-injection engines causing oil consumption and loss of compression

MINOR

PDK transmission software glitches causing jerky low-speed shifts

MINOR

HVAC blend door actuator failure leading to improper cabin temperature control

MINOR

Rear engine lid strut failure causing lid to drop unexpectedly

MODERATE

Coolant leaks from heat exchangers on high-mileage examples

Ce să Inspectezi

  • Compression test all six cylinders to rule out bore scoring
  • Check oil consumption rate — more than 1qt/1000mi indicates bore scoring
  • Inspect PDK fluid condition and verify smooth shifts at all speeds
  • Look for coolant leaks around heat exchangers and hose connections
  • Verify all electronics: PASM, sport chrono, PCM infotainment
  • Review complete service history for Porsche-authorized maintenance

Costuri Estimative de Întreținere

ServiciuIntervalCost
Major service (spark plugs, filters, fluids)every 30,000 miles$800-$1,400
PDK transmission fluidevery 40,000 miles$300-$500
Brake fluid flushevery 2 years$150-$250
Tire replacement (rear 305/30-20)every 15,000-25,000 miles$1,200-$1,800
Annual inspectionyearly$400-$700
Air-oil separator replacementevery 60,000 miles$300-$600

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