+1. I don't know what your cost of capital is, but the present value of all the gas you won't have to buy (for the miles you drive, 24k/yr - similar to us) is almost $50,000.* That makes the 85kWh model approximately equal to a $30,000 car. The bottom line is people who buy $30,000 cars can be very sensitive to high maintenance costs. Tesla kind of ruined things by announcing their opportunistic required maintenance fees after claiming the car was designed for almost no maintenance.
*assumptions:
1) your cost of capital is 4%. A bit low but my credit union is offering loans for the Model S at 1.49%, so maybe 4% is reasonable.
2) price of gas $4.05/gal, equivalent gas car would get 28 mpg.
3) the price of gas will not rise any faster than the general rate of inflation. If you assume that it will rise at a rate that is 1.5% higher than the rate of inflation, then the present value is over $60,000. example: general inflation 3%, gasoline goes up 4.5% during same period.
4) your electricity is almost free because you installed enough solar panels or do all your charging at superchargers.