These failures can happen at any mileage, low mileage cars have yet to be exempt from ANY of the 24 modes of failure I have documented.
I have an engine at the shop now that has 27K miles and lost a cylinder. Here is the photo album for that failure and a description:
https://www.facebook.com/media/set/?set=a.644486948912437.1073741842.184464434914693&type=3
And here is what the cylinder looked like..
27K miles. I shake my head every time someone says "my car only has 30K miles". I am thinking the while time "wow, that just means it'll be a little cleaner when we strip it down to the crankshaft and build it the way it should have been from the factory after it scattered"
And the piston:
