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

2018 Porsche 911 Reliability ReportA- grade · low risk · system-by-system breakdown

88/ 100

KeepScore

LOW RISK

Grade: A-

A supremely engineered performance icon offering surprising durability, albeit with premium running costs.

Full system breakdown + what I would do

Quick Facts · 2018 Porsche 911

  • The system most likely to surface first: pcm/infotainment system (minor severity).
  • Has 1 NHTSA recall on record — the most notable involves the air bags.
  • Scores 4 points below the strongest nearby year — the 2016 Porsche 911 earns a 92.

Is the 2018 Porsche 911 Worth Buying?

The 2018 Porsche 911 (991.2 generation) stands as a beacon of reliability within the high-performance sports car segment, proving that exhilarating performance can coexist with robust engineering. While demanding premium maintenance, its underlying mechanicals are remarkably durable, making it one of the most confident performance purchases you can make, provided you budget for its specialized care.

Biggest Strengths

  • Exceptional build quality and engineering integrity
  • Robust engine and transmission (PDK is strong but complex)
  • Excellent longevity if maintained correctly

What Tends to Fail First on the 2018 Porsche 911

The systems that break first on the 2018 Porsche 911. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

1
PCM/Infotainment Systemminor
2
PDK Transmission (Sensor/Mechatronic)major
3
Ignition Coils/Spark Plugsmoderate
Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

2018 Porsche 911 Recall History

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

AIR BAGS

Porsche Cars North America, Inc. (Porsche) is recalling certain 2018 718 Boxster, Boxster S and Boxster GTS, 718 Cayman, Cayman S and Cayman GTS, 911 Carrera, Carrera T, Targa 4 GTS, Carrera 4, Carrera S, Carrera 4S, Carrera GTS, Carrera 4 GTS, Carrera Cabriolet, Carrera S Cabriolet, Carrera 4S Cabriolet, Carrera GTS Cabriolet, Carrera 4 GTS Cabriolet, Targa 4, Targa 4S, Turbo, Turbo S, Turbo S Exclusive Series, Turbo Cabriolet, Turbo S Cabriolet and GT3 vehicles. The side air bag impact sensors may not have been properly tightened to the vehicle.

What breaks on the 2018 Porsche 911?

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

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Other Porsche 911 Years to Consider

Compare KeepScores across nearby years of the Porsche 911. Click any year for its full report.

2018 Porsche 911 Alternatives

Similar class, similar year range — ranked by KeepScore.

Relevant Products for Your 2018 Porsche 911

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Frequently Asked Questions

Full Report

2018 Porsche 911

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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