Why is that? White is the best color because it absorbs the least heat when exposed in the sun.

I think that for each variation of treatments and finishes they do, the white models tend to look dated the quickest. But I'm a case guy, and I like black carbon cases, so the contrast between white phones and carbon cases is too stark.

If you are just putting it in a case, white will more visibly show the accumulated grime. But the color doesn't matter as much in that scenario anyway.