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What's Wrong with the Porsche 911?

The Porsche 911 has a total of 12 complaints. The majority of the complaints involve the engine (58%) followed by the cooling system (16%) and the electrical (8%).

We'd recommend avoiding the 1st generation (1969–1983) which has the worst overall PainRank™ of 1.15

How 911 Generations Rank

Worst Overall 911 Complaints

Let's take a look at the most common 911 complaints submitted to over the years.

The complaints are sorted by their PainRank™ which is a score calculated by combining data points such as 1) how long does it take for the problem to start 2) how much does it cost to fix 3) what rank did owners assign to this problem, etc.

Most Complained About 911 Years

A quick look at which years have the highest complaint volumes. Clicking on the year will take you to their problem pages on