Quote:
Originally Posted by Mr. Wyndham
annnddd....durability has another face within GM's test labs.
For example, they test a suspension to 300,000 miles, and then warrant it for 100,000. I can only imagine what sort of tests they'd subject a powertrain to.
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It just seems like 300,000 miles, but it is generally just the high 90 %ile user. That's why when you look at something as simple as door slam test cycles it seems crazy. No one would ever do it that often..............if you think of the average owner. But the 99 %ile owner does some pretty extreme stuff.