The most affordable all-electric models - in terms of price (MSRP + destination charge) per mile of EPA range - are available for less than $150/mile.
The second best is the Hyundai Kona Electric, which even after a small price increase is at $147 per mile.
Thanks to the most recent improvement, Tesla Model S moved from $257 per mile, to $241 per mile.
BEVs price (MSRP + DST) per mile of EPA range comparison - May 6, 2019
*some models estimated