Quote:
Originally Posted by ganseg
How should we adjust for this caveat:
"Important note: these cars are only driven an average of 5,500 miles a year, about half as much as the average car. No adjustment has been made for this."
For example, would we double the numbers here, to make them more comparable to cars that are driven 11k per year?
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I'm not sure how to adjust for it. Some problems occur due to due, not miles, so it's not a simply linear function. Driving conditions, number of cold starts, etc. also make a difference. Many Porsches are garaged during the winter, and winter miles are likely much harder on cars.
In general I'm thinking we might need a different way to measure reliability with older cars, as people start letting the small stuff slide. We're going to start posting a second set of stats that include only problems with the powertrain and chassis, and these might be better for older cars.
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