Reliability

Porsche Cayman reliability: how dependable is it really?

What Porsche Cayman owners actually report, by year, plus what MOT data tells us about its reliability.

Updated 23rd June 2026 DVSA data: Across 14,235 recorded MOT tests, 9.4% failed.

Porsche Cayman
Image via Wikipedia, CC-licensed.

The Porsche Cayman is generally regarded as a reliable sports car, with a solid build quality and dependable performance. However, reliability can vary by model year, with some years experiencing more issues than others. Overall, the Cayman is a robust choice for enthusiasts, but it’s essential to consider specific year-to-year differences.

Early Models (2006-2012)

The first generation of the Porsche Cayman, produced from 2006 to 2012, is often praised for its reliability. Owners report minimal issues, with the majority of problems being related to routine maintenance rather than significant mechanical failures.

Common concerns for early models include minor electrical faults and wear on suspension components. However, these issues are often manageable and do not detract significantly from the overall reliability of the vehicle. Regular servicing and adherence to maintenance schedules can further enhance the dependability of these early Caymans.

Second Generation (2013-2016)

The second generation of the Cayman, introduced in 2013, continued the trend of reliability seen in earlier models. Many owners appreciate the improved technology and performance, while still enjoying a dependable driving experience.

Some reports indicate that the 2013 model year had a few isolated incidents of engine issues, but these were not widespread.

2017 Model Year

The 2017 Cayman saw the introduction of the 718 designation, marking a shift in engine options and performance characteristics. This model year is generally considered reliable, with a few minor complaints regarding infotainment systems and electrical components.

The new turbocharged engines provide excellent performance, but some owners have noted that they can be less forgiving if not properly maintained. Regular oil changes and attention to cooling systems are essential to ensure the longevity of these engines. Overall, the 2017 Cayman maintains the brand’s reputation for reliability.

2018-2020 Models

From 2018 to 2020, the Cayman continued to impress with its reliability. Owners have reported satisfaction with the vehicle’s performance and build quality, with few significant issues arising during this period.

The DVSA MOT data indicates that these models perform well during inspections, with most failures being related to minor issues such as tyres or lights rather than major mechanical concerns. This trend reinforces the Cayman’s status as a dependable sports car, appealing to both enthusiasts and everyday drivers alike.

2021 Onwards

The latest models of the Cayman, produced from 2021 onwards, have maintained the brand’s commitment to reliability. With ongoing improvements in technology and engineering, these cars are designed to offer both performance and dependability.

While it is still early in the lifecycle of these models, initial reports suggest that they are holding up well under various driving conditions. Owners have noted that the latest features, including advanced driver assistance systems, are functioning reliably, contributing to a positive ownership experience.

Factors Influencing Reliability

Several factors can influence the reliability of the Porsche Cayman, regardless of the model year. Proper maintenance is crucial; regular servicing by qualified professionals can prevent many common issues.

Driving habits also play a significant role in a vehicle’s longevity. Owners who drive their Caymans gently and adhere to recommended service intervals typically experience fewer problems. Additionally, the quality of parts used during repairs and maintenance can affect overall reliability, making it essential to choose reputable service providers.

the Porsche Cayman is a generally reliable sports car with a solid reputation. While some model years may have specific issues, the overall trend shows that with proper care and maintenance, the Cayman can provide a dependable and enjoyable driving experience for years to come.

Porsche Cayman recall record

8 recalls have been issued for the Porsche Cayman, between 2006 and 2024.

  1. ARA7 Recall campaign - Replace shift cable

    R/2024/243

    Issued 5 June 2024

    On affected vehicles the transmission shift cable may have had the safety clip on the shift cable incorrectly fitted or the cable sheath on the shift cable may be damaged resulting in the risk of a roll away incident after the vehicle is placed in park (P) if the parking brake is not applied.

    Remedy:Replace shift cable

    Affects cars built Jun 2023 to Mar 2024

  2. On affected vehicles the rear spoiler setting may not meet specifications due to incorrect coding during production making it too high. The high-mounted brake light may become less visible while driving and the aerodynamics of the vehicle may change.

    R/2024/001

    Issued 20 December 2023

    On affected vehicles the rear spoiler setting may not meet specifications due to incorrect coding during production making it too high.� The high-mounted brake light may become less visible while driving and the aerodynamics of the vehicle may change.

    Remedy:Re-code the rear vehicle electronics control unit on affected vehicles.�

    Affects cars built Jun 2023 to Oct 2023

  3. REAR AXLE CARRIER SIDE PARTS MAY NOT MEET REQUIRED SPECIFICATIONS

    R/2021/314

    Issued 15 September 2021

    The carrier side parts installed on the rear axle during a certain period may not meet the required specifications.

    Remedy:The left and right carrier side parts of the affected vehicles must be replaced.

    Affects cars built Jan 2014 to Jul 2014

  4. AIR BAG CONTROL UNIT MAY HAVE BEEN INSTALLED WITH A FAULTY CAPACITOR

    R/2019/250

    Issued 23 August 2019

    Possible fault within the air bag control unit.

    Remedy:Software upgrade to the control unit and replacement if faulty.

    Affects cars built Jun 2015 to Jun 2016

4 older recalls not shown.

A recall applies to a build range, not to every car of this model. Check a registration to see whether one specific vehicle has an outstanding recall.

Porsche Cayman MOT record

From 14,235 recorded MOT tests, 9.4% failed.

MOT pass and failure rates by year of first registration
RegisteredTestsFailedMedian mileage
20224634.5%11,559 mi
20214313.3%16,366 mi
20204224.7%19,614 mi
20199785.3%26,400 mi
20181,1665.7%31,044 mi
20178685.3%34,446 mi
20169785.2%30,143 mi
20151,0805.7%37,012 mi

Most common reasons for failure

  1. Tyre tread depth not in accordance with the requirements27.5%
  2. Brake pipe damaged or excessively corroded26.1%
  3. A tyre seriously damaged21.0%
  4. Brake disc or drum excessively weakened, insecure or fractured14.9%
  5. A suspension pin, bush or joint excessively worn10.5%

Figures cover every Porsche Cayman tested in the DVSA dataset, not this specific car. Check a registration for the actual history of one vehicle.

Frequently asked questions

How reliable is the Porsche Cayman compared to other sports cars?

The Porsche Cayman is generally regarded as a reliable sports car, often outperforming many competitors in terms of build quality and longevity. Regular maintenance and care can further enhance its reliability.

What common issues should I be aware of with the Porsche Cayman?

Some owners have reported issues with the engine and electrical systems, but these are not widespread. Regular servicing can help identify and prevent potential problems.

Is the Porsche Cayman expensive to maintain?

Maintenance costs for the Porsche Cayman can be higher than average due to its premium parts and specialised service requirements. However, many owners find the performance and reliability justify the expense.

What is the warranty coverage for a new Porsche Cayman?

A new Porsche Cayman typically comes with a three-year warranty, which covers most repairs and defects. Extended warranties may also be available for added peace of mind.

Are there any specific maintenance tips for the Porsche Cayman?

Regular oil changes, brake inspections, and tyre rotations are essential for keeping your Cayman in top condition. Following the manufacturer's service schedule is crucial for long-term reliability.

How does the Porsche Cayman perform in terms of fuel efficiency?

The Porsche Cayman offers decent fuel efficiency for a sports car, with figures that can vary based on driving style and conditions. It's advisable to check the specific model for more accurate consumption rates.

What should I look for when buying a used Porsche Cayman?

When purchasing a used Cayman, check for a full service history, any signs of previous accidents, and the condition of the tyres and brakes. A pre-purchase inspection by a qualified mechanic is also recommended.

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