911 (997)
Engine Reliability Ratings
M97.70
3.6L 6-cyl Turbo / 480 hpView details
Complaint Breakdown
Known Issues
9A2 4.0
4.0L 6-cyl / 502 hpView details
Complaint Breakdown
Known Issues
Vehicle-Level Issues
These issues affect the Porsche 911 regardless of engine variant.
Recalls (5)
Ohlins USA, Inc (Ohlins) is recalling certain Front Struts, part number POS 5N20. These struts were sold as part of Ohlins strut kits part number POZ MN02, intended for installation on 1999-2005 Porsche 911 Carrera 4 and 4S (generation 996), and 2001-2006 Porsche 911 Turbo / Turbo S (generation 996) and kit part number POZ MN05, intended for installation on 2005-2012 Porsche 911 Carrera 4 and 4S (generation 997), and 2006-2013 Porsche 911 Turbo / Turbo S (generation 997). The pin of the strut may experience excessive stress during maximum steering, possibly resulting breakage of the pin.
Porsche is recalling certain model year 2010 911 GT3 vehicles manufactured May 15, 2009, through February 11, 2010. The rear wheel hubs may be prone to failure under certain driving conditions. Also, the original, suggested maintenance intervals may be insufficient to prevent wheel hub failure.
PORSCHE IS RECALLING CERTAIN AFTERMARKET CENTER WHEEL MOUNTING KITS EQUIPPED WITH CENTER WHEEL LOCK AND HUB ASSEMBLIES BEARING THE TORQUE SPECIFICATION INSCRIPTION "500 NM" ON THE CENTER BOLT SOLD FOR USE ON MODEL YEAR 2010 AND 2011 PORSCHE 911 TURBO VEHICLES. SHOULD VEHICLES EQUIPPED WITH THE AFFECTED KITS BE OPERATED UNDER RACING CONDITIONS, THERE IS A POSSIBILITY THAT THE WHEEL RETENTION SYSTEM MAY FAIL.
PORSCHE IS RECALLING CERTAIN MODEL YEAR 2010-2011, 911 TURBO; TURBO S, 911 GT3, GT3 RS AND GT2 RS HIGH PERFORMANCE VEHICLES, MANUFACTURED FROM MAY 18, 2009 THROUGH SEPTEMBER 17, 2010, AND EQUIPPED WITH CENTER LOCKING HUB AND WHEEL ASSEMBLIES. OVER TIME THE HUBS CAN WEAR PREMATURELY.
PORSCHE IS RECALLING CERTAIN MODEL YEAR 2011 911 SPEEDSTER AND 911 GTS RS 4.0; AND MODEL YEAR 2012 BOXSTER (INCLUDING S AND SPYDER); CAYMAN (INCLUDING S AND R); 911 CARRERA (INCLUDING S, GTS, 4, 4S, AND 4 GTS); 911 TARGA 4 AND TARGA 4S; AND 911 TURBO AND TURBO S MODELS MANUFACTURED FROM MAY 31, 2011, THROUGH JUNE 10, 2011. THERE IS A POSSIBILITY THAT THE MOUNTING HOLES IN THE SEAT BELT ANCHOR PLATES FITTED TO THE VEHICLE ARE TOO SMALL. IF THE HOLE DIAMETER IS TOO SMALL, THE ANCHOR PLATE MAY NOT BE ABLE TO ROTATE ABOUT THE FASTENING BOLT AS DESIGNED.
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Alternatives in Sports Car
Frequently Asked Questions
What are the most common 2005-2011 Porsche 911 problems?
The 2005-2011 Porsche 911 has accumulated 205 NHTSA complaints. The most frequently reported problem areas are Engine, Body/Trim, Transmission. As with any used vehicle, a pre-purchase inspection and vehicle history report are recommended.
Which Porsche 911 engine is most reliable?
The 2005-2011 Porsche 911 was offered with 2 engine options. Based on NHTSA complaint data, the 3.6L 6-cyl has the lowest complaint density and is considered the most reliable choice for buyers.
Is the 2005-2011 Porsche 911 a good used car?
The 2005-2011 Porsche 911 can be a solid used car purchase depending on trim, mileage, and maintenance history. With 205 total NHTSA complaints on record, prospective buyers should review the known problem areas and check for open recalls before buying.
How many NHTSA complaints does the 2005-2011 Porsche 911 have?
The 2005-2011 Porsche 911 has 205 complaints filed with NHTSA as of our latest data pull. Complaint counts reflect owner-reported issues and do not necessarily indicate defects or safety risks on their own.
What recalls affect the 2005-2011 Porsche 911?
There are 5 NHTSA recalls affecting some 2005-2011 Porsche 911 vehicles. Recall status varies by VIN — check the NHTSA recall database at recalls.nhtsa.dot.gov with your specific VIN to confirm which campaigns apply.
What should I check before buying a used Porsche 911?
Before buying a used Porsche 911, verify all open recalls are completed via the NHTSA VIN lookup tool. Pay particular attention to Engine, Body/Trim, Transmission, which are the most commonly reported problem areas. Request maintenance records, have an independent mechanic inspect the vehicle, and run a vehicle history report to check for prior accidents or title issues.
Does the 911 have NHTSA crash test ratings?
NHTSA has not published crash test ratings for the 2005-2011 Porsche 911. Not all vehicles are tested each year. For the latest NHTSA safety information, visit nhtsa.gov/ratings.
Data from NHTSA federal complaints database. 205 complaints analyzed. Data confidence: high. Last updated: 2026-05-18.