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2021 Toyota Prius Maintenance guide

2021 Toyota Prius Maintenance guide
v1.0Updated May 30, 2026·Daniel Wilson4 Sources Analyzed
MAINTENANCE SUMMARY

The 2021 Toyota Prius, despite an 'Excellent' public reliability verdict, presents specific maintenance considerations. Owners should be particularly attentive to the engine and service brakes, which are cited in customer complaints.

View Critical Issue: Service Brake Issues
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Reliability Score

8.6/ 10

Est. Annual Maintenance Cost

$1,000 - $1,500

TSBs & Recalls

12 TSBs | 0 Recalls

SummaryMaintenance & CostsCommon FailuresSymptoms & PreventionKeep ReadingFAQSources

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Key Takeaways

  • Prioritize inspections for engine and service brake systems due to reported complaints.
  • While no recalls are noted, be aware of potential issues with unintended acceleration and brake system performance.

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Critical service intervals
Common failure analysis
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MethodologyHow we score →

Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.

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Shop Parts

Quick links for routine service and common repair parts.

  • 5W-30 Synthetic Motor Oil
  • Oil Filter
  • Cabin Air Filter
  • Engine Air Filter
  • CVT Fluid

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