Kennedy Nov 14th, 2007 Link
For the sake of pointing out. The numbers presented are an overall comparison to what the industry average is (as opposed to average for each sub-class of car). So an 80 is 20% better than the industry average, 120 is 20% worse than average, etc. For this reason, I do not see any reason to suggest that you cannot make direct comparisons between any two cars.
Of course one co-factor in all of this that you can’t take out is the influence of driver demographics, driving style, etc. It was stated that they removed any effects of age of the drivers, but I’m not sure you can fully account for that, and certainly not for general driving behavior, there is an inevitable crosslink between cars and driving style of people attracted to those cars.
For the sake of seeing the fallout of real world data, it’s pretty interesting.
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