Reliability AnalysisBased on known issue patterns, repair cost data, and ownership trends · How we score

2021 Mazda MX-5 Miata Reliability ReportKeepScore 92/100 · top failure points · buy or avoid

92/ 100

KeepScore

LOW RISK

Grade: A-

A practically bulletproof modern classic that delivers smiles with minimal mechanical fuss.

Full system breakdown + what I would do

Quick Facts · 2021 Mazda MX-5 Miata

  • Scores roughly in line with adjacent Mazda MX-5 Miata years — consistency that often signals a stable platform generation.
  • The system most likely to surface first: convertible top drains/seals (minor severity).
  • No active NHTSA safety recalls on record — a clean recall slate for the 2021 model year.

2021 Mazda MX-5 Miata: Buy or Avoid?

The 2021 Mazda MX-5 Miata stands as one of the most mechanically robust and reliable modern sports cars you can acquire. With its proven powertrain and simple design philosophy, owners can anticipate years of trouble-free enjoyment, making it an outstanding investment for driving enthusiasts.

Biggest Strengths

  • Naturally aspirated Skyactiv-G engine durability
  • Manual and automatic transmission longevity
  • Excellent chassis and suspension robustness

2021 Mazda MX-5 Miata — Known Trouble Spots

The systems that break first on the 2021 Mazda MX-5 Miata. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

1
Convertible Top Drains/Sealsminor
2
Infotainment System Glitchesminor
3
Exterior Paint Chippingminor
Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

Safety Recalls on the 2021 Mazda MX-5 Miata

No active NHTSA safety recalls on file for the 2021 Mazda MX-5 Miata. Always verify with your VIN atnhtsa.gov.

What breaks on the 2021 Mazda MX-5 Miata?

Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.

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Mazda MX-5 Miata — Year-by-Year Comparison

Compare KeepScores across nearby years of the Mazda MX-5 Miata. Click any year for its full report.

Competing 2021s Worth a Look

Similar class, similar year range — ranked by KeepScore.

Relevant Products for Your 2021 Mazda MX-5 Miata

Parts and accessories matched to your 2021 Mazda MX-5 Miata

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Frequently Asked Questions

Full Report

2021 Mazda MX-5 Miata

7-system breakdown, mileage danger zones, repair cost projections, buyer checklist, and expert verdict.

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Complete Owner's Guide

Already own one? Get the 13-chapter owner's guide with specs, service schedules, and fluid capacities.

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Final Step

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A $4.99 reliability report can catch a $3,000 problem. Full breakdown for the 2021 Mazda MX-5 Miata — delivered in under 60 seconds.

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