How reliable is a Porsche 911?

Porsche 911's have a excellent reliability rating of 889/999. The score was a mathematical result of the average score of every Porsche 911 that has had a registered MOT. Porsche 911's reliability review's are reflected in the score. Click here to see how we calculate each score.

We calculated all of the below figures by getting the score from each vehicle make/model/year/fuel, which are each calculated a score. We then generate the average score from those.

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