2015 model year · 4,300+ owner reports · Updated April 2026
According to Au7o's analysis of 4,300+ owner reports, the 2015 Porsche Cayman has 3 documented known issues. No issues are rated critical, indicating generally reliable ownership. The most commonly reported issue is Cylinder Bore Scoring with 2,200 owner reports. Across all issues, repair costs range from $1,000 to $22,000. DIY maintenance guides at au7o.io.
On the 2006-2016 Porsche Cayman, the AC compressor on the Cayman fails prematurely, often due to clutch bearing wear or internal seal failure. The mid-engine layout subjects the AC system to higher ambient temperatures. When the compressor clutch fails, it can throw the serpentine belt and disable all accessories.
Replace the AC compressor and receiver/drier. Flush the AC system of any debris from the failed compressor. Replace the expansion valve as preventive maintenance. Ensure proper refrigerant charge after repair.
Parts and tips from 1,200+ owners who fixed this issue
POWER TRAIN:AXLE ASSEMBLY
Porsche Cars North America, Inc. (Porsche) is recalling certain 2013-2015 Boxster, 2013-2014 Boxster S, 2014-2015 Cayman, Cayman S, 2015 Boxster GTS, and Cayman GTS vehicles. The rear-axle carrier side sections may fracture.
EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Porsche Cars North America, Inc. (Porsche) is recalling certain 2014 Cayman and Cayman S, 2014-2016 911 GT3, 2016 911 GT3 RS and 911 R, 2018 911 GT3 and 911 GT2 RS and 2019 911 GT3 RS, 911 GT3, and 911 GT2 RS vehicles. The Child Restraint System (CRS) instructions within the Owner's Manual may not provide enough specificity for proper installation. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 225, "Child Restraint Anchorage Systems."
ELECTRICAL SYSTEM
Porsche Cars North America, Inc. (Porsche) is recalling certain model year 2014 Boxster, Boxster S, Cayman, Cayman S and 911 Carrera (S, Cabriolet, S Cabriolet, 4, 4S, 4 Cabriolet, 4s Cabriolet) vehicles manufactured September 2, 2013, through September 23, 2013. In the affected vehicles, the passenger seats may be equipped with defective wiring harnesses resulting in intermittent contact with the harness plug.
LATCHES/LOCKS/LINKAGES:HOOD:LATCH
Porsche Cars North America, Inc. (Porsche) is recalling certain model year 2014-2015 Porsche 911, Boxster, and Cayman vehicles manufactured May 7, 2014, to September 23, 2014. The front hood upper lock components were not manufactured to specification and may fail to securely latch the vehicle's hood during operation.
AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE
Porsche Cars North America, Inc. (Porsche) is recalling certain 2016-2017 911 and Boxster, 2016 Cayman and Panamera vehicles. The air bag Electronic Control Unit (ECU) may have a defective power supply capacitor that can result in air bag deactivation or inadvertent deployment of the air bags.
+ 1 more recalls. Check all on NHTSA.gov
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According to Au7o's analysis of 4,300+ owner reports, the 2015-2015 Porsche Cayman has 3 documented issues. The most frequently reported are: AC Compressor Failure and Clutch Burnout, Cylinder Bore Scoring, Cylinder Scoring on 981 GTS and GT4. None are rated critical, but regular maintenance is recommended.
The 2015-2015 Porsche Cayman has 3 known issues documented across 4,300+ owner reports. No issues are rated critical, suggesting generally good reliability. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
Repair costs for known Porsche Cayman issues range from $1,000 to $22,000, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
The Cayman M97 and MA1 flat-six engines develop bore scoring on cylinders 1 and 6, identical to the pattern seen in the 911 and Boxster. The Cayman GT4 with its 3.8L 911-derived engine is also affected. Oil starvation at the cylinder walls during cold starts is the primary cause. Repairs typically run $7,000-$20,000. Severity: critical.
The 981 Cayman GTS and GT4 with the larger displacement MA1 engines are particularly prone to cylinder scoring. The GT4's 3.8L engine (shared with 991 Carrera S) has the highest incidence rate among Cayman variants. Track use accelerates the onset due to thermal cycling. Repairs typically run $8,000-$22,000. Severity: critical.
The AC compressor on the Cayman fails prematurely, often due to clutch bearing wear or internal seal failure. The mid-engine layout subjects the AC system to higher ambient temperatures. When the compressor clutch fails, it can throw the serpentine belt and disable all accessorie… Repairs typically run $1,000-$2,500. Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.
