Problems · NHTSA complaints

2018 Porsche Panamera 4S problems

Owners filed 9 complaints about the 2018 Porsche Panamera 4S with NHTSA between Jan 2018 and Jul 2025. The most-cited component is engine (3).

Complaints
9
Filed with NHTSA
Crashes
1
Reported by owners
Fires
0
Reported by owners
Injuries
1
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Engine3
  2. Power train3
  3. Electrical system2
  4. Service brakes1
  5. Air bags1
  6. Other / unknown1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Oct 28, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
20181
20190
20200
20211
20221
20231
20242
20253

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Engine

3 reports1 crash
“This vehicle has an engine which has rocker arms that are known to fail. The manufacturer has not issued a recall to fix this issue which can result in a catastrophic engine failure. They have acknowledged the rocker arms in pre 2018 models to be defective and insufficiently reinforced to handle the strain of the valve train.”
Owner complaint to NHTSAFiled Jul 27, 2025EngineODI 11676431

Power train

3 reports
“On my 4th visit to the Porsche dealership and the problem is still not resolved. There are MANY references to the same problem online. The problem: error message on the dash stating REVERSE NOT AVAILABLE and car goes into 3RD gear only and stays there. Only final solution is new transmission which Porsche resists doing It has happened 6 times now. attaching a photo and I have many more of these from 2024”
Owner complaint to NHTSAFiled Jan 16, 2025Power trainODI 11636331

Electrical system

2 reports3 related recalls
“The contact owns a 2018 Porsche Panamera. The contact received notification of the NHTSA Campaign Number: 23V033000 (Electrical System) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue and advised the contact to park the vehicle outside the garage until parts became available. The contact had not experienced a failure. Parts distribution disconnect.”
Owner complaint to NHTSAFiled May 8, 2023Electrical systemODI 11520904

Service brakes

1 report1 crash
“The contact owned a 2018 Porsche Panamera. The contact stated that when he was parking the vehicle, as he had shifted from reverse (R) to drive (D) to straighten the vehicle in the parking spot, the vehicle had inadvertently accelerated at an unknown speed. The contact stated that the vehicle ran through an intersection and crashed into five parked vehicles. The contact stated that he had depressed the brake pedal and was not able to stop the vehicle. The contact stated that his vehicle was stopped by the last vehicle he had crashed into. The contact stated that the police had arrived and issued a report. The contact stated that the vehicle air bags had deployed and that he was transported to the hospital by ambulance. The contact stated that he had bruises on both his ankles and calves and that he had bruises on both wrists and hands. The contact stated that the driver's front fender, door, and quarter panel had been damaged by the crash. The contact stated that the driver's front wheel had sheared off the vehicle. The contact stated that the vehicle had been towed to an impound lot and his insurance provider had declared the vehicle a total loss. The…”
Owner complaint to NHTSAFiled Apr 28, 2025Service brakes, EngineCrash reportedODI 11657200

Air bags

1 report
“Porsche dashboard leather shrunk and pealing out. Vehicle will not deploy the airbags if in accident. It needs to be replaced. It is a common issue. It is a safety hazard.”
Owner complaint to NHTSAFiled Jun 25, 2024Air bags, Unknown or otherODI 11596435
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 28, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.