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

2021 Porsche Cayman Reliability ReportA- grade · low risk · system-by-system breakdown

88/ 100

KeepScore

LOW RISK

Grade: A-

A precision instrument with bulletproof major components, but expect premium service costs for its intricate systems.

Full system breakdown + what I would do

Quick Facts · 2021 Porsche Cayman

  • The system most likely to surface first: turbocharger system (2.0l/2.5l engines) (moderate severity).
  • Has 2 NHTSA recalls on record — the most notable involves the suspension.
  • Scores 5 points below the strongest nearby year — the 2022 Porsche Cayman earns a 93.

Is the 2021 Porsche Cayman Worth Buying?

The 2021 Porsche Cayman stands as a testament to modern German engineering, offering exceptional reliability for a high-performance sports car. It's a remarkably robust and well-built vehicle that promises exhilarating driving with a surprisingly low risk of major mechanical failures. This is a sports car you can confidently buy and enjoy, provided you commit to its premium maintenance schedule.

Biggest Strengths

  • Exceptional build quality and engineering
  • Robust powertrain (engine and PDK transmission)
  • Outstanding driving dynamics and component durability

What Tends to Fail First on the 2021 Porsche Cayman

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

1
Turbocharger System (2.0L/2.5L engines)moderate
2
Electrical System & Sensorsminor
3
Suspension Bushings & Mountsmoderate
Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

2021 Porsche Cayman Recall History

2 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.

SUSPENSION

Porsche Cars North America, Inc. (Porsche) is recalling certain 2021 Porsche Taycan Turbo, Taycan Turbo S, Taycan, Taycan 4S, 911 Turbo S Coupe, Cayman, Cayman T, Cayman S, Cayman GT4, 911 Carrera Coupe, 911 Carrera S Coupe, 911 Carrera 4S Coupe, 911 Carrera 4S Targa, 911 Carrera Cabriolet, 911 Carrera S Cabriolet, 911 Carrera 4S Targa Heritage Design Edition, 911 Carrera 4S Cabriolet, 911 Turbo Coupe, 911 Turbo Cabriolet, 911 Turbo S Cabriolet, 718 Spyder, and Boxster vehicles. Certain suspension components may not have been tightened correctly and can loosen.

ENGINE

Porsche Cars North America, Inc. (Porsche) is recalling certain 2021 Porsche Cayman GT4, Cayman GTS 4.0, 718 Spyder, and Boxster GTS 4.0 vehicles. The engine connecting rods may crack and loosen.

What breaks on the 2021 Porsche Cayman?

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

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Other Porsche Cayman Years to Consider

Compare KeepScores across nearby years of the Porsche Cayman. Click any year for its full report.

2021 Porsche Cayman Alternatives

Similar class, similar year range — ranked by KeepScore.

Relevant Products for Your 2021 Porsche Cayman

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Frequently Asked Questions

Full Report

2021 Porsche Cayman

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

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Complete Owner's Guide

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