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2003 Porsche Boxster S

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 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. 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 reports2 injury reports

Engine And Engine Cooling complaints

4 reports
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47,500 miles · Jul 23, 2010
Engine And Engine Cooling

MY ENGINE FAILED DUE TO A PART CALLED THE INTERMEDIATE SHAFT. THE CAR IS A 2003 PORSCHE, BOXSTER S WITH 47,000. THIS PROBLEM IS WELL DOCUMENTED ON LINE AND APPEARS TO BE A MANUFACTURING PROBLEM. THE DEALERSHIP I WENT TO, KNEW RIGHT AWAY ABOUT THE FAILURE AS THEY SEE AT LEAST 1 PER MONTH. WHEN THIS PART FAILS, THE REMEDY IS A…

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MY ENGINE FAILED DUE TO A PART CALLED THE INTERMEDIATE SHAFT. THE CAR IS A 2003 PORSCHE, BOXSTER S WITH 47,000. THIS PROBLEM IS WELL DOCUMENTED ON LINE AND APPEARS TO BE A MANUFACTURING PROBLEM. THE DEALERSHIP I WENT TO, KNEW RIGHT AWAY ABOUT THE FAILURE AS THEY SEE AT LEAST 1 PER MONTH. WHEN THIS PART FAILS, THE REMEDY IS A NEW (OR USED ENGINE). THERE IS NO WAY TO KNOW OF THIS FAILURE UNTIL IT HAPPENS. I REPLACED MY ENGINE AND IT COST $12,000. THIS WEBSITE PROVIDES A LOT OF INFORMATION ABOUT THIS PORSCHE PROBLEM AND IT SHOWS SOME OF THE RESEARCH CONDUCTED BY THEIR ENGINEER, HTTP://WWW.LNENGINEERING.COM/IMS.HTML. THEIR RESEARCH INDICATES THAT PORSCHE KNOWS OF THE PROBLEM AND THINKS IT HAS TO DO WITH PARTICULAR VIN NUMBER CARS (ONE OF WHICH IS MINE) AND FIXES IT WHEN IT HAPPENS DURING WARRANTY. I ASKED THEM TO HELP COVER THE COST AND THEY SAID NO, AS MY CAR WAS OUT OF WARRANTY. IT IS MY OPINION THAT A CAR (PORSCHE OR NOT) SHOULD NOT FAIL LIKE THIS ESPECIALLY WITH NO WARNING. AS AN FYI, IT APPEARS PORSCHE FINALLY REDESIGNED THIS PART IN 2006. I HOPE YOU CAN HELP ME CAPTURE SOME OF MY OUT OF POCKET EXPENSE AS WELL AS MAKE OTHER USERS AWARE WITH A POSSIBLE RECALL. *TR

NHTSA ODI #10344995

32,000 miles · Mar 12, 2010
Engine And Engine Cooling

I HAVE A 2003 PORSCHE BOXSTER S WITH 32,000MI ON IT. ON THE 8TH OF MARCH, THE ENGINE FAILED WITH AN INTERMEDIATE SHAFT BEARING FAILURE REQUIRING THE REPLACEMENT OF THE ENGINE. PORSCHE CARS NORTH AMERICA ARE NOT HELPFUL. SUCH A CATASTROPHIC FAILURE OF THE ENGINE IN MY OPINION IS DANGEROUS AND SHOULD BE TAKEN MORE SERIOUSLY BY PCN…

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I HAVE A 2003 PORSCHE BOXSTER S WITH 32,000MI ON IT. ON THE 8TH OF MARCH, THE ENGINE FAILED WITH AN INTERMEDIATE SHAFT BEARING FAILURE REQUIRING THE REPLACEMENT OF THE ENGINE. PORSCHE CARS NORTH AMERICA ARE NOT HELPFUL. SUCH A CATASTROPHIC FAILURE OF THE ENGINE IN MY OPINION IS DANGEROUS AND SHOULD BE TAKEN MORE SERIOUSLY BY PCNA CONSIDERING THE NUMBER OF CASES THAT ARE OUT THERE. *TR

NHTSA ODI #10319298

59,679 miles · Jun 13, 2009
Engine And Engine Cooling

ON SATURDAY, MAY 16TH THIS BOXSTER SUFFERED ENGINE FAILURE WHILE TRAVELING AT ~ 30 MPH. THE ENGINE FAILED WITH NO PRIOR WARNING. THE INITIAL INDICATION WAS A LOUD AND DISTRACTING FLAPPING NOISE THAT SOUNDED LIKE SOMETHING HAD BEEN PICKED UP ON THE CAR'S UNDERCARRIAGE. THIS WAS FOLLOWED WITHIN A MOMENT BY SHUTDOWN OF THE ENGINE A…

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ON SATURDAY, MAY 16TH THIS BOXSTER SUFFERED ENGINE FAILURE WHILE TRAVELING AT ~ 30 MPH. THE ENGINE FAILED WITH NO PRIOR WARNING. THE INITIAL INDICATION WAS A LOUD AND DISTRACTING FLAPPING NOISE THAT SOUNDED LIKE SOMETHING HAD BEEN PICKED UP ON THE CAR'S UNDERCARRIAGE. THIS WAS FOLLOWED WITHIN A MOMENT BY SHUTDOWN OF THE ENGINE AND LOSS OF POWER STEERING. WE FEEL FORTUNATE THAT THIS ENGINE FAILED AT RELATIVELY LOW SPEED IN LIGHT TRAFFIC, SO THAT NO ACCIDENT OR INJURIES OCCURRED. HAD THE FAILURE OCCURRED EARLIER IN THE DAY WHILE WE WERE DRIVING AT HIGHWAY SPEED ON CURVING ROADS, WE BELIEVE WE WOULD HAVE BEEN INVOLVED IN A SERIOUS ACCIDENT. PROPERTY DAMAGE WAS LIMITED TO LOSS OF THE ENGINE ITSELF - INSTALLATION OF A REMANUFACTURED ENGINE IS ESTIMATED AT $14,000 TO $15,000. WE PURCHASED THE VEHICLE THIS PAST JANUARY FOR $20,000 SO THAT THIS ENGINE FAILURE REPRESENTS A NEAR TOTAL, UNINSURED LOSS. THE ENGINE FAILURE HAS BEEN DIAGNOSED AS AN INTERMEDIATE ENGINE SHAFT (IMS) FAILURE BY A LOCAL MECHANIC SPECIALIZING IN PORSCHE MAINTENANCE AND REPAIR (THE CLOSEST PORSCHE DEALERSHIP IS OVER 100 MILES AWAY). OUR SUBSEQUENT INTERNET RESEARCH INDICATES THAT IMS FAILURE IS A COMMON PROBLEM FOR PORSCHE AUTOMOBILES WITH THE M96 ENGINE, WITH SOME ESTIMATES THAT GREATER THAN 25% OF THESE VEHICLES WILL SUFFER ENGINE FAILURE PRIOR TO REACHING 100,000 MILES. UNFORTUNATELY, THE TRUE STATISTICS ARE NOT AVAILABLE TO CONSUMERS. PORSCHE HAS NOT ADMITTED THAT THIS FAILURE MODE RESULTS FROM A BEARING DESIGN FLAW, HOWEVER THAT IS THE GENERALLY ACCEPTED ROOT CAUSE. PORSCHE CARS NORTH AMERICA DECLINES TO ASSIST WITH REPAIR. WE RECOMMEND THAT YOU OPEN AN INVESTIGATION INTO THE FAILURE RATE AND SAFETY ASPECTS OF THE PORSCHE M96 ENGINE. WE FURTHER SUGGEST THAT IT IS LIKELY THAT FATAL ACCIDENTS INVOLVING PORSCHES WITH THESE ENGINES HAVE BEEN IMPROPERLY ASSIGNED TO DRIVER ERROR. WE BELIEVE THAT PORSCHE SHOULD BE HELD RESPONSIBLE FOR IMS FAILURES OF M96 ENGINES THROUGH A SAFETY RECALL. *TR

NHTSA ODI #10273686

60 miles · Jul 15, 2005
Electrical SystemEngine And Engine CoolingLatches/locks/linkages

I HAVE HAD MANY PROBLEMS WITH A 2003 BOXSTER S I PURCHASED IN MAY 2003 FROM MCKENNA PORSCHE IN NORWALK, CA. SOME OF THE MAJOR PROBLEMS IN THE LAST 2 YEARS INCLUDE: 1) CONDENSATION IN OIL FILLER AREA; 2) OIL LEAKS IN 2 LOCATIONS; 3) WORN DRIVE BELT; 4) CLUTCH CAUSING GRINDING NOISE; 5) IGINITION SWITCH & KEY DIDN'T WORK; AIR CO…

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I HAVE HAD MANY PROBLEMS WITH A 2003 BOXSTER S I PURCHASED IN MAY 2003 FROM MCKENNA PORSCHE IN NORWALK, CA. SOME OF THE MAJOR PROBLEMS IN THE LAST 2 YEARS INCLUDE: 1) CONDENSATION IN OIL FILLER AREA; 2) OIL LEAKS IN 2 LOCATIONS; 3) WORN DRIVE BELT; 4) CLUTCH CAUSING GRINDING NOISE; 5) IGINITION SWITCH & KEY DIDN'T WORK; AIR CONDITIONING UNIT DIDN'T COOL; 6) STEREO SYSTEM DIDN'T WORK. MCKENNA HAS REPAIRED/REPLACED ALL ITEMS TO DATE EXCEPT THE CLUTCH. MCKENNA ADVISED CLUCTH PROBLEM IS MY RESPONSIBILITY DUE TO WEAR AND COST IS $1700. THE VEHILCE HAS 19000 MILES. THE INCIDENT DATE BELOW IS DATE I PICKED UP THE VEHILCE FROM MCKENNA. I HAVE HAD PROBLEMS WITH THE VEHICLE STARTING WITH THE FIRST DAY I PICKED UP THE VEHICLE FROM MCKENNA.

NHTSA ODI #10128917

Official recalls

2

22V656000 · Exterior Lighting:headlights

Aug 30, 2022

Porsche Cars North America, Inc. (Porsche) is recalling certain 2003-2020 Porsche Macan, Cayenne, Panamera, and Cayman S, 2001-2004 Boxster, Boxster S, 2004 Boxster 50 JAHRE SPYDER 550 vehicles. Please see the recall report for a complete list of all affected models and model years. The caps that cover the low-beam headlight horizontal adjustment screws are missing, which can allow the headlights to be improperly adjusted. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

Consequence & remedy

Consequence: Improperly adjusted headlights may not illuminate the road properly, or cause a glare to oncoming drivers, which can increase the risk of a crash.

Remedy: Dealers will inspect the headlights for sealing caps and install missing caps as necessary, free of charge. Owner notification letters were mailed October 28, 2022. Owners may contact Porsche's customer service at 1-800-767-7243. Porsche's number for this recall is ANB4.

03V004000 · Power Train:automatic Transmission

Jan 23, 2003

CERTAIN 2-DOOR CONVERTIBLE PASSENGER VEHICLES EQUIPPED WITH THE TIPTRONIC (AUTOMATIC) TRANSMISSION MAY HAVE BEEN PRODUCED WITH AN INCORRECTLY ADJUSTED KEY-LOCK-CABLE DOWN TO THE SHIFT SELECTOR. IF THE KEY-LOCK-CABLE IS NOT ADJUSTED CORRECTLY, IT IS POSSIBLE THAT THE IGNITION KEY WILL SNAG UPON BEING REMOVED FRO THE IGNITION LOCK OR THE SLECTOR LEVER CAN BE SHIFTED FROM POSITION "P" WITH THE IGNITION KEY REMOVED AND THE LOCKING BUTTON OPERATED.

Consequence & remedy

Consequence: IF THE SELECTOR LEVER IS THEN SHIFTED FROM POSITION "P" TO POSITION "R, N OR D" WITH THE VEHICLE PARKED, AND IF THE PARKING BRAKE IS NOT ON, THE VHEICLE WILL NOT BE SECURED FROM INADVERTENLY ROLLING AWAY, INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL INSPECT THE CABLE ADJUSTMENT AND, REGARDLESS OF THE RESULTS OF THIS INSPECTION, THE KEY-LOCK-CABLE MUST ALSO BE ADJUSTED. OWNER NOTIFICATION BEGAN JULY 15, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT PORSCHE AT 1-800-545-8039.

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.