"How reliable is the 2005 Porsche Cayenne?"

"Based on 43 NHTSA complaints, the 2005 Porsche Cayenne has a median complaint mileage of 78000 miles. The most common issue is FUEL/PROPULSION SYSTEM."

"What are common problems with the 2005 Porsche Cayenne?"

"The most frequently reported component in NHTSA complaints for the 2005 Porsche Cayenne is FUEL/PROPULSION SYSTEM, accounting for a significant portion of the 43 total complaints filed."

2005 Porsche Cayenne: Reliability Data

Source: NHTSA — 43 complaints

Total Complaints

78,000mi

Median Mileage

FUEL/PROPULSION SYSTEM

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

46,500 25th Percentile

78,000 Median Mileage

127,500 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

FUEL/PROPULSION SYSTEM

FUEL SYSTEM, GASOLINE

AIR BAGS

POWER TRAIN

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

ELECTRICAL SYSTEM

ENGINE AND ENGINE COOLING

ENGINE AND ENGINE COOLING:ENGINE

AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE

ELECTRICAL SYSTEM:WIRING

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"1) THE VISIT WORKSHOP LIGHT APPEARED ON MY NEW 2005 PORSCHE 911 CARRERA S. 2) ON NOVEMBER 30, 2004 THE VEHICLE WAS RUNNING FINE WITH THE WORKSHOP LIGHT ON. THE VEHICLE THEN SUDDENLY LOST ENGINE POWER AT 65 MPH DURRING ACCELERATION ON THE NJ TURNPIKE. THE LOSS OF ENGINE POWER CAUSED SEVERAL TRACTO..."

"WHILE DRIVING AT APPROXIMATELY 70 MPH, THE ENGINE FAILED. THE OWNER CONTACTED THE DEALERSHIP, AND HAD THE VEHICLE TOWED TO THE DEALERSHIP. THE OWNER WAS TOLD THAT THERE WAS A CRACK IN THE ENGINE. THE OWNER ALSO CONTACTED THE MANUFACTURER, BUT WAS UNSUCCESSFUL IN GETTING ANY ASSISTANCE. *AK *S..."

"CONSUMER REQUEST FOR PORSCHE CARS OF NORTH AMERICA TO REPURCHASE HIS 2005 PORSCHE CAYENNE.***NO ANSWER REQUIRED***. *MR THE CONSUMER HAS EXPERIENCED NUMEROUS MECHANICAL PROBLEMS WITH HIS VEHICLE SUCH AS ENGINE STALLING, A REPLACEMENT AIR BAG MODULE, BATTERY FAILURE, FUEL TANK SENDER CALIBRATION. *JB"

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28