2018 Porsche Cayenne problems and complaints
Owners have filed 13 complaints with NHTSA about the 2018 Porsche Cayenne. The most-reported areas: Electrical System (3), Unknown Or Other (3), Engine (3).
Key takeaways
- 13 owner complaints on file with NHTSA.
- 0 involve a crash, 0 a fire, 0 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 3 | 23% |
| Unknown Or Other | 3 | 23% |
| Engine | 3 | 23% |
| Fuel/Propulsion System | 2 | 15% |
| Air Bags | 2 | 15% |
| Power Train | 1 | 8% |
| Tires | 1 | 8% |
| Exterior Lighting | 1 | 8% |
| Forward Collision Avoidance | 1 | 8% |
| Visibility/Wiper | 1 | 8% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2018 Porsche Cayenne SUV AWD | Not rated | Not rated | Not rated | Not rated |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Electrical System,fuel/Propulsion System - filed 2026-05-02
The high-voltage battery pack in my 2018 Porsche Cayenne S E-Hybrid (VIN: [XXX] , approximately 81,000 miles) has experienced a noticeable and progressive reduction in battery range and performance. On February 20, 2026, Porsche White Plains (an authorized Porsche dealer) performed an inspection but was unable to dup...
Power Train - filed 2025-12-20
Driving through a parking lot, less than five miles an hour, and suddenly heard a horrible knocking sound. Stopped and looked under the car. Nothing. Drove it very slowly to mechanic less than a mile away. Front drive shaft had collapsed and fallen down, according to the mechanic.
Tires - filed 2025-05-27
The contact owns a 2018 Porsche Cayenne equipped with Michelin Tires, Tire Line: Latitude Sport, Tire Size: 295/35/R21, DOT Number: (N/A). The contact stated that while driving approximately 45 MPH, there was an abnormal sound coming from the front passenger’s side of the vehicle, and the front passenger’s side tire st...
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More for the 2018 Porsche Cayenne
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.