Above Average 信頼性

2015年式 Porsche 911 購入前点検チェックリスト

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

既知の問題点 — 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

点検項目

  • 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

予想されるメンテナンス費用

サービス 交換時期/頻度 費用
Major service (spark plugs, filters, fluids) every 30,000 miles $800-$1,400
PDK transmission fluid every 40,000 miles $300-$500
Brake fluid flush every 2 years $150-$250
Tire replacement (rear 305/30-20) every 15,000-25,000 miles $1,200-$1,800
Annual inspection yearly $400-$700
Air-oil separator replacement every 60,000 miles $300-$600

AI診断レポート(無料)

上記は一般的な問題点です。この車両に特化したAI診断レポート(各システムの詳細なチェック、注意点、総合評価を含む)を無料で生成できます。

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