How Reliable is the Porsche 911?

What 911 Owners Complain About

Sometimes it helps just to tally up the complaints and see where the biggest stacks are. Use this information to learn about troublespots or to run for the hills.

Worst Issues

1983 911 broken head bolts 1 (100%)
2014 911 radiator leak 1 (100%)
2014 911 coolant hose slip 1 (100%)
2002 911 broken seat belt 1 (100%)
2012 911 power window not working 1 (100%)

Worst Topics

Engine 6 (100%)
Cooling System 3 (50%)
Windows 2 (33%)
Electrical 1 (17%)
Airbags & Seat Belts 1 (17%)

Worst Years

2009 4 (100%)
2014 2 (50%)
2001 1 (25%)
2002 1 (25%)
2004 1 (25%)

Full Lists on CarComplaints.com

911 Generations

Generations are groups of model years where few, if any, changes were made to the vehicle which means their model years tend to break in similar ways. The 911 has 6 generations available in North American markets.

7th Generation 911 (2020–2020)

PainRank^™: N/A
Complaints: 0
Reliability: N/A

6th Generation 911 (2012–2019)

PainRank^™: 0.37
Complaints: 3
Reliability: 6th out of 21

5th Generation 911 (2005–2011)

PainRank^™: 0.58
Complaints: 7
Reliability: 7th out of 21

4th Generation 911 (1999–2004)

PainRank^™: 0.32
Complaints: 3
Reliability: 4th out of 21

3rd Generation 911 (1995–1998)

PainRank^™: N/A
Complaints: 0
Reliability: N/A

2nd Generation 911 (1990–1994)

PainRank^™: N/A
Complaints: 0
Reliability: N/A

By the Numbers

13 complaints
Running tally of owner grievances filed to CarComplaints.com.
220 service bulletins
Documenting the process of troubleshooting common problems.
21 recall campaigns
Time-sensitive, free repairs for widespread safety problems.

The Latest 911 News

Recall for Gas Leaks and Engine Fires

Posted on: February 9, 2017
Source: carcomplaints.com

When it comes to the 911 Carrera, the 911 Targa, or the 718 Boxster, there's an indisputable fact – those cars are hot. As in, their engines can leak gas, spark a flame, and turn into one of the world's most expensive bonfires.
What did you … continue reading

Investigation Closed into 911 Coolant Leaks

Posted on: March 15, 2014
Source: carcomplaints.com

Porsche 911 cars with the GT1 engine might suddenly lose all their coolant and shut down, just don't expect a recall for it. The National Highway Traffic Safety Administration (NHTSA) which opened an investigation last year says Porsche has … continue reading

NHTSA Investigates 911 Coolant Leaks

Posted on: May 1, 2013
Source: carcomplaints.com

The National Highway Traffic Safety Administration (NHTSA) is going to take a look at the 2001-2007 Porsche 911 to find out why it's GT1 engine is suddenly losing all its coolant and shutting down. I should say allegedly, but try telling th … continue reading