There are 1 stored owner reports matching the powertrain & transmission leading-label group for the 2015 Porsche Cayman in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 1 of 1 matching reports.
Open the full vehicle complaint log (all categories)The contact owns a 2015 Porsche Cayman. The contact stated that the vehicle was taken to the dealer for the rear housing axle carriers repair under NHTSA Campaign Number: 21V679000 (Power Train). However, upon picking up the vehicle, the rear suspension was unstable and drifted all over the road while driving. The contact was able to drive to his residence. The vehicle was taken back to the dealer who inspected the vehicle and completed a torque adjustment however, the failure persisted. The dealer was notified but did not provide any assistance. Additionally, the contact stated that the vehicle had not experienced a failure prior to the recall repair. The contact also stated that the engine was located at the rear of the vehicle, which presented a severe potential risk to safety. The vehicle was not repaired. The manufacturer was notified of the failure and a case was opened. The contact was awaiting a call back from the manufacturer. The failure mileage was approximately 40,000.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.