>We buy so many things "sight unseen" because of the quality and reliability.

Name 1 or 2 other things you buy "sight unseen" that are remotely close to the cost of a new vehicle.

>I will buy a reliable car sight unseen like I bought my big screen t.v.

If you have zero preference for the multitude of ways even similar cars can vary, you aren't an average car buyer. Most people care about these things, be it sight lines, headroom, where the chargers are, driving dynamics...