DURING LOW SPEED DRIVING (ROUGHLY 20MPH) IN CONGESTED HIGHWAY TRAFFIC, I ATTEMPTED TO SHIFT GEARS ON THE MANUAL TRANSMISSION IN MY 2008 PORSCHE CAYENNE GTS. UPON DOING SO, THE CLUTCH PEDAL LOST ALL RESISTANCE AND PINNED DIRECTLY ON THE FLOORBOARD. AS I BEGAN NAVIGATING TOWARD THE SHOULDER, SMOKE BEGAN POURING INTO THE CABIN. AS I REACHED THE SHOULDER, THE CAR CAUGHT ON FIRE. I ESCAPED UNHARMED…
2008 Porsche Cayenne powertrain problems
severe 9 complaints filed with NHTSA · avg repair $2,500
Complaints
9
Recalls
0
Crashes
0
Avg fix
$2,500
What owners are reporting 7 most recent
The contact owns a 2008 Porsche Cayenne. The contact stated while driving 50 MPH, the vehicle started wobbling with a loud sound coming from the vehicle. There was no warning light illuminated. The vehicle was taken to the dealer and the contact was informed that the driveshaft needed to be replaced. The vehicle was repaired, but the failure reoccurred several times. The manufacturer was contacted…
MY CAR IS GARAGE KEPT AND VERY LOW MILES (70K+) SINCE I WORK MOSTLY FROM HOME. I SUDDENLY STARTED TO HEAR A BAD NOISE COMING FROM THE BOTTOM OF THE CAR AND COULD FEEL THE CAR SHAKING WHENEVER STARTED TO ACCELERATE. TOOK TO A PORSCHE SPECIALIZED MECHANIC THAT TOLD ME IT IS A RECURRING ISSUE ON THE CAYENNE. LONG STORE SHORT, SPENT TWO THOUSAND DOLLARS TO FIX THE ISSUE.
A START IGNITION WON'T START AND I HAVE TO PLUG THE KEY IN ORDER TO STARTED THE VEHICLE
The contact owns a 2008 Porsche Cayenne. The contact received notification of NHTSA Campaign Number: 19V446000 (Power Train) and would like to be removed from the recall distribution list. The local dealer previously completed the recall remedy. The manufacturer was contacted, and the contact was sent confirmation of the VIN being clear of recalls. In addition, the contact stated that the VINTool …
WITHIN MINUTES OF DRIVING MY SON TO SCHOOL, I HEARD A GRINDING SOUND FROM UNDERNEATH MY CAYENNE, THEN A SQUEALING, AND THE CAR BEGAN TO VIBRATE VIOLENTLY DURING ACCELERATION. THIS HAPPENED VERY QUICKLY AND WAS FRIGHTENING BECAUSE I WAS CROSSING A BRIDGE IN MORNING TRAFFIC. THE SERVICE MAN AT THE PORSCHE DEALERSHIP TOLD ME THAT THIS IS AN ONGOING PROBLEM WITH THESE VEHICLES AND THAT MY DRIVE SHAFT …
ENGINE RUNNING INCREASINGLY ROUGH ON ACCELERATION. MECHANIC FOUND DRIVESHAFT FAILURE DUE TO EXCESSIVE AXIAL PLAY FROM CENTER DRIVESHAFT SUPPORT BEARING. DRIVESHAFT REPLACED. MORE THAN 50 SIMILAR FAILURES ARE DOCUMENTED ON GOTACLASSACTION.COM. I'VE ATTACHED COMPLAINT TO PORSCHE, THEIR RESPONSE AND REPAIR INVOICE. *TT*JB CONSUMER STATED PARTS WAS ORDERED. *JB
Common questions
How serious is the powertrain problem on the 2008 Porsche Cayenne?
It's a meaningful issue. 9 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
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.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. 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.
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