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 reviews are reflected in the 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, taking into account factors such as mileage and emissions.

You should always consider breakdown cover if you are concerned over the reliability of a vehicle.