2021年式 Subaru WRX 購入前点検チェックリスト
既知の問題点 — 2021 Subaru WRX
CRITICAL
Ringland failure in EJ25 turbo engines (pre-2021 models less common, but monitor)
MODERATE
CVT transmission issues with jerking and hesitation (if equipped)
MODERATE
Turbocharger bearing wear and oil starvation at high RPM
MODERATE
Head gasket leaks, particularly on higher mileage examples
MINOR
Clutch wear on manual transmission models with aggressive driving
MINOR
Dashboard rattle and interior trim gaps
点検項目
- Turbocharger performance and boost pressure consistency
- Transmission smooth engagement and shift quality (manual and CVT)
- Engine oil condition and level; check for metal particles
- Head gasket integrity; inspect for coolant leaks around cylinder head
- Suspension components for wear; check struts and control arms
- Differential fluid condition and signs of leakage
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 |
|---|---|---|
| Oil and filter change | every 6,000 miles | $65-$85 |
| Spark plugs replacement | every 30,000 miles | $150-$250 |
| Air filter replacement | every 15,000-30,000 miles | $40-$80 |
| Transmission fluid service (manual) | every 30,000 miles | $120-$180 |
| Differential fluid service | every 30,000 miles | $150-$220 |
| Brake pad replacement | every 40,000-60,000 miles | $300-$500 |
| Coolant flush | every 30,000 miles | $100-$150 |
| Turbocharger service/inspection | every 60,000 miles | $200-$400 |
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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Subaru オーナー向けメンテナンスガイド
購入ガイドが必要ですか？ 中古車購入前のチェックリスト.