I know I the past you said that you don't really care about performance. I always find it odd that people buy a car $50-100k and they buy a car for the gas milage to maybe save $100-200 a month. Don't get me wrong, I am all into saving money and all of that stuff, but really?
Now, if we are talking a tesla, it kind actually makes a little more sense. Fully electric and the range it has, someone could easily save $500-1000 a month. What that could mean is that a guy that could afford, say a BMW 5 series, then you add the money you save in gas and all of the sudden you could be driving a tesla. (If you are into that type of thing).