Parts Information for Parts Withdrawal - Various Parts. Parts covered by this bulletin include various part numbers for Oil Separator, Shelf, and Hinge.
full bulletin at NHTSA ↗2018 Porsche Panamera engine problems
moderate Owners of the 2018 Porsche Panamera have filed 3 NHTSA complaints about the engine at roughly $3,100 to repair (U.S. federal records, as of November 2026). Source: NHTSA Office of Defects Investigation. See engine across all vehicles →
When does it fail?
Of the 3 engine complaints filed for the 2018 Porsche Panamera, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine 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 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 ↗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 ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 3 most recent
The contact owns a 2018 Porsche Panamera. The contact stated that while driving approximately 70 MPH, the message "Engine Overheating - Park Vehicle" in red letters was displayed on the instrument cluster. The contact pulled over and turned off the vehicle. The contact stated that there was a burning odor inside the vehicle. The vehicle was towed to a local dealer, but was not diagnosed; however,…
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.
Tl* the contact owns a 2018 Porsche panamera. While making a left turn at 10 MPH, the contact depressed the brake pedal and the vehicle stalled. After three attempts, the contact was able to restart the vehicle, but the failure recurred multiple times. The contact was able to drive the vehicle to the dealer (Porsche west broward, 4641 sw 148th ave, davie, fl 33331, (954) 719-0199). The…
Common questions
How serious is the engine problem on the 2018 Porsche Panamera?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Based on the 3 complaints filed, engine issues most often appear around 36,593 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine 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 engine?
No active recalls currently cover engine 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.