Above Average 信頼性

2020年式 Porsche 911 購入前点検チェックリスト

992 · 3.0L Twin-Turbo Flat-6 (379hp Carrera) / 3.0L Twin-Turbo Flat-6 (443hp Carrera S) · $115,000 - $160,000

既知の問題点 — 2020 Porsche 911

MINOR

Early 992 software bugs causing PCM freezes and infotainment reboots

MINOR

PDK 8-speed software calibration issues causing harsh downshifts in Sport mode

MODERATE

Rear-axle steering module software faults on early production cars

MODERATE

Carbon buildup on intake valves — new engine still uses direct injection

MINOR

HVAC evaporator condensation drain clogging causing water intrusion

MINOR

Sport exhaust valve noise and rattle at cold start

点検項目

  • Verify PCM software is fully updated — check for known TSBs
  • Test rear-axle steering at low and high speed
  • Confirm 8-speed PDK shifts smoothly in all modes
  • Check for intake valve carbon — early 992 production units may need first cleaning
  • Verify all driver assistance systems function correctly
  • Inspect for any warranty claims or open recalls

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 $1,000-$1,600
Intake valve walnut blast cleaning every 40,000-60,000 miles $600-$1,000
8-speed PDK fluid every 40,000 miles $350-$550
Brake fluid flush every 2 years $150-$250
Tire replacement (rear 305/30-20) every 15,000-25,000 miles $1,400-$2,000
Annual inspection yearly $500-$800

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。

1日2回まで無料・アカウント不要

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