2020 Porsche Cayman Problems: 2 Known Issues
2020 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2020 Porsche Cayman has 2 documented known issues, with 2 rated critical. The most serious are 718 Cayman (982) Gasoline Particulate Filter (GPF/OPF) Failure ($2,500-$7,500 repair) and 718 Cayman (982) Early Turbo-Four High Oil Consumption ($500-$8,000 repair). Across all issues with published estimates, repair costs range from $500 to $8,000. DIY maintenance guides at au7o.io.
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All 2 Known Issues
NHTSA Recalls2 recalls
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.
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Frequently Asked Questions
What are the most common Porsche Cayman problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2020 Porsche Cayman has 2 documented issues. The most frequently reported are: 718 Cayman (982) Gasoline Particulate Filter (GPF/OPF) Failure, 718 Cayman (982) Early Turbo-Four High Oil Consumption. Of these, 2 are rated critical and should be addressed promptly.
Is the Porsche Cayman reliable?
The 2020 Porsche Cayman has 2 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 2 issues are rated critical: 718 Cayman (982) Gasoline Particulate Filter (GPF/OPF) Failure and 718 Cayman (982) Early Turbo-Four High Oil Consumption. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Porsche Cayman problems?
Repair costs for known Porsche Cayman issues range from $500 to $8,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 718 Cayman (982) Gasoline Particulate Filter (GPF/OPF) Failure, typically costs $2,500-$7,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2019-2021 Porsche Cayman 718 Cayman (982) Gasoline Particulate Filter (GPF/OPF) Failure?
EU-spec 718 Caymans built from the 2019 model year onward carry a gasoline particulate filter integrated into the catalytic converter assembly. A production-era software fault plus high oil-ash loading causes the GPF to clog and fail, often with no warning light beforehand. Becau… Repairs typically run $2,500-$7,500. Severity: high.
What is the 2017-2020 Porsche Cayman 718 Cayman (982) Early Turbo-Four High Oil Consumption?
A number of early 2.0L and 2.5L turbocharged flat-four 718 engines consume oil at a high rate — owners report roughly a quart per 1,000 miles, with the worst cases needing engine replacement under warranty. Some 2019 2.0L cars also suffered oil-separator (PCV) diaphragm failures… Repairs typically run $500-$8,000. Severity: high.
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.