Manufacturer's Certificate for Overview of Approved Porsche A40 Engine Oils. Note that this bulletin covers all vehicles from model year 1997 to 2020, for which A40 engine oils are assigned. Model years 1997-2001 are not available for selection in the system.
full bulletin at NHTSA ↗2018 Porsche Panamera powertrain problems
moderate Owners of the 2018 Porsche Panamera have filed 4 NHTSA complaints about the powertrain at roughly $2,500 to repair (U.S. federal records, as of November 2026). Source: NHTSA Office of Defects Investigation. See powertrain across all vehicles →
Complaints
4
Recalls
0
Avg fix
$2,500
| Model year | powertrain complaints |
|---|---|
| 2014 Panamera | 4 |
| 2018 Panamera (this page) | 4 |
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils. Note that the bulletin includes all models back to model year 1984, for which C30 engine oils are allocated.
full bulletin at NHTSA ↗Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils. Note that the bulletin covers all models back to model year 1984, for which C20 engine oils are allocated.
full bulletin at NHTSA ↗Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils. Note that this bulletin covers all models back to model year 1984, for which C40 engine oils are allocated.
full bulletin at NHTSA ↗Parts Information for Parts Withdrawal - Coolant Regulator Housing
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
The main water pump on my 2018 Porsche Panamera 4S failed prematurely. This is not a simple external coolant leak; the internal seal failed, allowing pressurized engine coolant to migrate into the vehicle's vacuum system. The coolant traveled through the vacuum lines and contaminated the vacuum solenoids and change-over valves. This failure mode presents a significant safety hazard because the…
The auto in question was, and is, under the new car warranty - While driving forward, one of the automobile's display screens displayed an error message stating "Transmission error - Reverse gear not available"; this in itself is not a major issue as the car was in a forward gear. The major safety issue is that the car would not shift gears once this error message cam up. The error has occurred…
Transmission fault causes car to be stuck in gear and will not shift. This issue appears to be happening quite frequently with these ecars, regardless of mileage. It's dangerous, especially if it occurs on the highway .
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…
Had powertrain trouble with your 2018 Porsche Panamera?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2018 Porsche Panamera?
It's a documented issue but not catastrophic. 4 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2018/Porsche/Panamera.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.