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2004 Porsche 911 Carrera

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 6 of 7 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Engine And Engine Cooling. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

2 crash reports0 fire reports0 injury reports

What owners actually said

7 reports
106,000 miles · Jan 26, 2023
SteeringSuspension

The contact owns a 2004 Porsche 911. The contact stated while driving approximately 45 MPH he heard a loud creaking sound coming from the front-end. The contact stated that he was entering the highway and the sound became louder while speeding to merge. The contact stated that after driving over some slight imperfections in the …

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The contact owns a 2004 Porsche 911. The contact stated while driving approximately 45 MPH he heard a loud creaking sound coming from the front-end. The contact stated that he was entering the highway and the sound became louder while speeding to merge. The contact stated that after driving over some slight imperfections in the roadway, the front-end started pulling to the left and right with force. The contact stated that extra effort was needed to keep the vehicle in the lane. The contact stated no warning lights were illuminated. The contact exited the highway and drove the vehicle to his residence. The vehicle had not been taken to a dealer or independent mechanic to be diagnosed or repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 106,000.

NHTSA ODI #11503856

28,000 miles · Jul 15, 2014
Engine

TL* THE CONTACT OWNS A 2004 PORSCHE 911 CARRERA. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 65 MPH, THE ENGINE STALLED WITHOUT WARNING. THE VEHICLE WAS SHIFTED INTO NEUTRAL AND FAILED TO RESTART AFTER MULTIPLE ATTEMPTS. THE VEHICLE WAS TOWED TO THE DEALER FOR DIAGNOSTIC TESTING, WHO INFORMED THE CONTACT THAT THE INTER…

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TL* THE CONTACT OWNS A 2004 PORSCHE 911 CARRERA. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 65 MPH, THE ENGINE STALLED WITHOUT WARNING. THE VEHICLE WAS SHIFTED INTO NEUTRAL AND FAILED TO RESTART AFTER MULTIPLE ATTEMPTS. THE VEHICLE WAS TOWED TO THE DEALER FOR DIAGNOSTIC TESTING, WHO INFORMED THE CONTACT THAT THE INTERMEDIATE SHAFT (IMS) FAILED, WHICH CAUSED THE ENGINE TO STALL. THE VEHICLE WAS REPAIRED BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 28,000. THE VIN WAS UNAVAILABLE.

NHTSA ODI #10610822

57,000 miles · Jun 12, 2012
Air BagsVehicle Speed ControlCrash

TL* THE CONTACT OWNS A 2004 PORSCHE 911 CARRERA 4S. THE CONTACT WAS DRIVING 25 MPH AND TAPPED THE BRAKES TO DISENGAGE THE CRUISE CONTROL BUT INSTEAD OF THE VEHICLE DECELERATING, THE VEHICLE ABNORMALLY ACCELERATED AND CRASHED INTO A PRECEDING VEHICLE. THE AIRBAG ALSO FAILED TO DEPLOY. THE VEHICLE WAS TOWED TO THE DEALER FOR DIAG…

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TL* THE CONTACT OWNS A 2004 PORSCHE 911 CARRERA 4S. THE CONTACT WAS DRIVING 25 MPH AND TAPPED THE BRAKES TO DISENGAGE THE CRUISE CONTROL BUT INSTEAD OF THE VEHICLE DECELERATING, THE VEHICLE ABNORMALLY ACCELERATED AND CRASHED INTO A PRECEDING VEHICLE. THE AIRBAG ALSO FAILED TO DEPLOY. THE VEHICLE WAS TOWED TO THE DEALER FOR DIAGNOSIS. THE VEHICLE HAD NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS 57,000. THE VIN WAS NOT AVAILABLE. UPDATED 8/2/12 *CN THE CONSUMER STATED THE VEHICLE WAS TOTALED. A TECHNICIAN DOWNLOADED THE DATA FROM THE VEHICLE'S ENGINE MANAGEMENT SYSTEM TO DETERMINE THE ROLE OF ANY VEHICLE EQUIPMENT MALFUNCTION IN THE ACCIDENT. PORSCHE OF ARLINGTON, THE DEALER, DELIVERED THE DOWNLOADED DATA TO PORSCHE NA, WHERE THE DATA IS ANALYZED. PORSCHE STATED THAT ANY DOCUMENTATION OF PORSCHE'S INVESTIGATION AND ANALYSIS OF THE INCIDENT WAS PROPRIETARY. THE CONSUMER WAS GIVEN TWO CITATIONS FOR VEHICLE NEGLIGENCE AND INTENDS TO CONTEST THEM BOTH. THE CONSUMER NEEDS ENGINE MANAGEMENT SYSTEM DATA TO DO SO. UPDATED 08/06/2012 *JS

NHTSA ODI #10461351

29,000 miles · Nov 10, 2010
Engine And Engine Cooling

CATASTROPHIC ENGINE FAILURE OF 2004 PORSCHE 911 4S W/O WARNING. WELL DOCUMENTED EARLY VERSION OF MODEL 996 INTERMEDIATE SHAFT FAILURE REQUIRING COMPLETE ENGINE REPLACEMENT. KNOWN PRODUCT DEFECT SUBSEQUENTLY CORRECTED IN LATER VERSIONS. NO NOTIFICATION BY MANUFACTURER OR DISTRIBUTOR TO CONSUMERS. HAZARDOUS AND COSTLY MAJOR PRODU…

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CATASTROPHIC ENGINE FAILURE OF 2004 PORSCHE 911 4S W/O WARNING. WELL DOCUMENTED EARLY VERSION OF MODEL 996 INTERMEDIATE SHAFT FAILURE REQUIRING COMPLETE ENGINE REPLACEMENT. KNOWN PRODUCT DEFECT SUBSEQUENTLY CORRECTED IN LATER VERSIONS. NO NOTIFICATION BY MANUFACTURER OR DISTRIBUTOR TO CONSUMERS. HAZARDOUS AND COSTLY MAJOR PRODUCT DEFECT. *TR

NHTSA ODI #10365249

9,700 miles · Oct 19, 2009
Engine And Engine Cooling

THE CONTACT OWNS A 2004, PORSCHE, 911 CARRERA. THE CONTACT STATED HIS ENGINE HAD TO BE REPLACE DUE TO THE INTERMITTEN SHAFT FAILURE. CONTACT STATED HE WAS DRIVING AT 55MPH WHEN HE STARTED TO PRESS THE ACCELERATOR PEDAL AND THE VEHICLE ENGINE STARTED TO SLOW DOWN AND WOULD NOT RESPOND. CONTACT THEN STARTED TO EXIT OF F THE HIGHWA…

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THE CONTACT OWNS A 2004, PORSCHE, 911 CARRERA. THE CONTACT STATED HIS ENGINE HAD TO BE REPLACE DUE TO THE INTERMITTEN SHAFT FAILURE. CONTACT STATED HE WAS DRIVING AT 55MPH WHEN HE STARTED TO PRESS THE ACCELERATOR PEDAL AND THE VEHICLE ENGINE STARTED TO SLOW DOWN AND WOULD NOT RESPOND. CONTACT THEN STARTED TO EXIT OF F THE HIGHWAY AND DOING SO ALL THE LIGHTS ON THE INSTRUMENT PANEL STARTED COMING ON. CONTACT DRIVE THE VEHICLE TO THE DEALER AND THEY STATED THE INTERMITTEN SHAFT FAILED AND THEY WILL BE REPAIRING THE VEHICLE. THE FAILURE MILEAGE WAS 9,700

NHTSA ODI #10288919

Mileage unknown · Feb 12, 2009
Air BagsCrash

AIRBAGS FAILED TO OPERATE. *TR

NHTSA ODI #10258432

3,389 miles · Sep 29, 2005
Engine And Engine Cooling

DT: THE CONSUMER STATED THAT THE 2004 PORSCHE 911 CARRERA STALLED WHILE DRIVING 10-20 MPH. THE VEHICLE HAS BEEN HAVING PROBLEM FOR OVER A YEAR. THE VEHICLE WAS TAKEN TO THE DEALERSHIP SEVERAL TIMES. THE DEALER COULD NOT FIND THE CAUSE OF THE PROBLEM. THE DEALER CHANGED THE SPARK PLUGS, BUT THE CODE SHOWED THAT CYLINDER SIX WAS…

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DT: THE CONSUMER STATED THAT THE 2004 PORSCHE 911 CARRERA STALLED WHILE DRIVING 10-20 MPH. THE VEHICLE HAS BEEN HAVING PROBLEM FOR OVER A YEAR. THE VEHICLE WAS TAKEN TO THE DEALERSHIP SEVERAL TIMES. THE DEALER COULD NOT FIND THE CAUSE OF THE PROBLEM. THE DEALER CHANGED THE SPARK PLUGS, BUT THE CODE SHOWED THAT CYLINDER SIX WAS FAULTY. THE PROBLEM SEEMED TO BE INTERMITTENT. THE DEALER HAS HAD THE VEHICLE FOR OVER TEN MONTHS. THE MANUFACTURER HAS BEEN CONTACTED, AND THEY PUT THE VEHICLE IN DIAGNOSTIC TESTING, AND THE PROBLEM HAS NOT SHOWN UP WITH ANY EXPLANATION. THE MANUFACTURER HAS ATTEMPTED TO FIX THE VEHICLE. THE PROBLEM WAS STILL UNEXPLAINABLE. *AK

NHTSA ODI #10138102

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.