The contact owns a 2020 Porsche Cayenne S. The contact stated while driving approximately 10 MPH, there was a rough hard deceleration. The contact stated that the vehicle lurched forward causing the driver to apply the brakes. The check engine warning light was illuminated. The vehicle was taken to the local dealer where the contact was informed that there might be a possible software patch soon. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 1,100.
The worst 2020 Porsche Cayenne S problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Transmission1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Transmission1
Recalls 1
Air bags: sensor: occupant classification: front passenger
- What is wrong
- Porsche Cars North America, Inc. (Porsche) is recalling certain 2021 Cayenne GTS, Cayenne GTS Coupe, 2020-2021 Cayenne Coupe, Cayenne S Coupe, Cayenne E-Hybrid Coupe vehicles. The passenger seat back heating element was not installed and may impact the calibration of the Occupant Classification System.
- Risk
- The front passenger air bag may fail to deploy, increasing the risk of injury.
- Remedy
- Dealers will install a heating element, free of charge. Owner notification letters were mailed June 25, 2021. Owners may contact Porsche customer service at 1‑800‑767‑7243. Porsche's number for this recall is AMB0.
Recall number 21V318000 · Recall details
Technical service bulletins for the 2020 Porsche Cayenne S 541
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Technical Information for Warranty Extension for Front Door Wiring Harness related to Real Top View (RTV)...
- Parts Information for Parts Withdrawal
- Parts Information for Parts Withdrawal
- Parts Information for Parts Withdrawal
- Parts Information for Parts Withdrawal
- Advanced Technical Information for Paint Thickness or Decals Affecting Corner Radar Sensor Operation
- Parts Information for Parts Withdrawal
- Symptom-based workshop manual for Noises from Front Wiper Blade
- Manufacturer's Certificate for Overview of Approved Porsche A40 Engine Oils
- Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils
2020 Porsche Cayenne S fuel economy
Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.
| Engine | Drive | City | Highway | Combined |
|---|---|---|---|---|
| 2.9L 6‑cyl | AWD | 18 | 22 | 20 |
What 2020 Porsche Cayenne S owners say
Most recent owner complaints, unedited.
Compare the 2020 Porsche Cayenne S
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Questions about the 2020 Porsche Cayenne S
Is the 2020 Porsche Cayenne S reliable?
Owners have filed 1 complaint about the 2020 Porsche Cayenne S, fewer than a typical Cayenne S model year.
What is the most common problem with the 2020 Porsche Cayenne S?
Transmission and drivetrain, with 1 complaint.
How many recalls does the 2020 Porsche Cayenne S have?
1 recall, covering air bags.
What gas mileage does the 2020 Porsche Cayenne S get?
Official estimates for the 2020 Porsche Cayenne S range from 20 mpg combined. The most efficient version (2.9L 6-cyl, AWD) gets 18 city and 22 highway.
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