Of course not. The range given in the title comes with the context(which is not explicitly given). The average speed to obtain that mileage is very low.

Watch the video, this question is addressed in the last few minutes. Transcript: https://news.ycombinator.com/item?id=10299634

On a side note; you are basing your expensive decision on an arguably click-bait title!?

My understanding is the Tesla vehicles are a platform, and that even if you purchase a X now, you'd be able to upgrade the various components for autonomous driving and extended range.

I doubt that it'll be only a few years, Musk has a pretty bad track record on timing (great track record on results though).