Porsche · Known Issues

2019 Porsche Cayman Problems: 2 Issues Every Owner Should Know

2019 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated June 2026

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2019 Porsche Cayman has 2 documented known issues, with 2 rated critical. The most serious are 718 Cayman (982) Early Turbo-Four High Oil Consumption ($500-$8,000 repair) and 718 Cayman (982) Gasoline Particulate Filter (GPF/OPF) Failure ($2,500-$7,500 repair). Across all issues, repair costs range from $500 to $8,000. DIY maintenance guides at au7o.io.

All 2 Known Issues

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On the 2017-2020 Porsche Cayman, 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 that let oil be drawn into the cylinders, sometimes appearing right after an oil and filter change.

Common Symptoms

Frequent low-oil warnings
Needing to top up oil between services
Blue smoke from exhaust
Oil consumption ~1 quart per 1,000 miles

How to Fix

Document consumption with a Porsche oil-consumption test. Replace a failed air-oil separator / PCV diaphragm. Severely affected engines were replaced under warranty by Porsche; otherwise monitor level closely and top up with the correct specification oil between services.

Typical repair cost:$500 - $8,000

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Community Reported

High ConfidenceVerified0 reportsLast reported by owners Invalid DateReviewed Jun 2026

On the 2019-2021 Porsche Cayman, 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. Because the GPF is bonded to the cat, replacement is extremely expensive, and Porsche classifies particulate filters as service/wear items excluded from warranty — a major pain point for European owners.

Common Symptoms

Engine control warning light
Reduced power / driveability issues
Increased fuel consumption
Sudden failure with no prior warning

How to Fix

Confirm the fault via diagnostics. Apply the updated GPF/OPF software where available and fit the revised filter (e.g. part 982 254 400 AF designed to resist the problem). Use the correct low-ash specification oil and avoid only short trips. Failed units require GPF/cat assembly replacement.

Typical repair cost:$2,500 - $7,500

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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 2019-2019 Porsche Cayman has 2 documented issues. The most frequently reported are: 718 Cayman (982) Early Turbo-Four High Oil Consumption, 718 Cayman (982) Gasoline Particulate Filter (GPF/OPF) Failure. Of these, 2 are rated critical and should be addressed promptly.

Is the Porsche Cayman reliable?

The 2019-2019 Porsche Cayman has 2 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 2 issues are rated critical: 718 Cayman (982) Early Turbo-Four High Oil Consumption and 718 Cayman (982) Gasoline Particulate Filter (GPF/OPF) Failure. 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) Early Turbo-Four High Oil Consumption, typically costs $500-$8,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

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.

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.

2019 Porsche Cayman Problems: 2 Issues Every Owner Should Know

All 2 Known Issues

2017-2020 Porsche Cayman: 718 Cayman (982) Early Turbo-Four High Oil Consumption#

Common Symptoms

How to Fix

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2019-2021 Porsche Cayman: 718 Cayman (982) Gasoline Particulate Filter (GPF/OPF) Failure#

Common Symptoms

How to Fix

Research This Issue

Other Porsche Models

Frequently Asked Questions

What are the most common Porsche Cayman problems?

Is the Porsche Cayman reliable?

How much does it cost to fix common Porsche Cayman problems?

What is the 2017-2020 Porsche Cayman 718 Cayman (982) Early Turbo-Four High Oil Consumption?

What is the 2019-2021 Porsche Cayman 718 Cayman (982) Gasoline Particulate Filter (GPF/OPF) Failure?