Porsche Cayman S

2005–2006

10 classified complaints 2 recalls 382 service bulletins

What will it actually cost to fix? Real per-job repair costs for this vehicle's most common issues, from national book labor rates and parts pricing. See costs →

Summary, based on the federal data below

Data Availability

Milemark has classified only 10 NHTSA complaints for the 2005–2006 Porsche Cayman S. This extremely limited dataset means we cannot draw reliable statistical conclusions about failure rates or system vulnerabilities. The low count likely reflects the Cayman S being a low-volume sports car rather than exceptional reliability. Buyers should not interpret sparse complaint data as proof of dependability.

What We Know From Recalls

Two recall campaigns exist: one for exterior lighting/headlights and one for seat belts. These are standard safety-related items and do not suggest systemic mechanical defects.

Warranty Extensions and Technical Bulletins

Porsche issued 382 technical service bulletins for this generation, an unusually high count for a two-year run. While we cannot detail each TSB here, this volume suggests the early Cayman S required numerous factory-documented fixes and updates. Prospective buyers should obtain the complete TSB list for this VIN and verify which items have been addressed.

Owner Watch-Outs

Half the limited complaints involved engine internals, with failures occurring around 55,000 miles. One instance of oil consumption was also reported. Without larger sample sizes, we cannot determine if this represents a pattern.

How to Research Further

Request a pre-purchase inspection from a Porsche specialist. Join model-specific forums like Rennlist or 6SpeedOnline where long-term ownership experiences are documented. Run a comprehensive VIN history check and review all TSB completion records with the seller.

Trends

Complaint trends by era

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2005–2006

10 complaints

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5-year windows, not manufacturer generations — this database doesn't have reliable platform/redesign data to draw real generation boundaries from. Recent model years show fewer complaints mainly because they have been on the road less time, not necessarily because they're more reliable — read this as complaint volume and mix by era, not a reliability trend.

What breaks, and when

engine — engine_internal n=5

Median onset: 55,038 miles. 20.0% of these involved a crash, fire, or injury.

Tends to show up later than this model's other issues. · Typically $230–$3,010 to fix a engine repair, nationally.

transmission — manual_clutch n=2

Median onset: 41,575 miles.

Tends to show up later than this model's other issues. · Typically $200–$6,500 to fix a transmission repair, nationally.

engine — engine_stalling n=1

Median onset: 13,250 miles.

Tends to show up earlier than this model's other issues. · Typically $230–$3,010 to fix a engine repair, nationally.

engine — oil_consumption n=1

Median onset: 22,947 miles.

Tends to show up earlier than this model's other issues. · Typically $230–$3,010 to fix a engine repair, nationally.

body_interior — airbags_restraints n=1

Onset mileage not consistently reported.

Typically $330–$620 to fix a body_interior repair, nationally.

From owner-filed complaints to NHTSA, not independently verified. Federal mileage reporting on recent complaints is sparse — see methodology. Cost ranges are national estimates from book labor hours and parts pricing, not this vehicle's actual repair history — they don't account for your location or shop type.

See the full repair-cost breakdown →

Sources: NHTSA Office of Defects Investigation — complaints, recalls, investigations, service bulletins. Methodology. This is not an inspection and not a recommendation to buy or avoid this vehicle.