Here is a 2015 i3 with range extender in Tucson for $16,000:
https://www.cargurus.com/Cars/l-Used...ting=226896972
Here is a 2016 in San Mateo, California for $21,000.
Seventy-two miles of range with batteries, another seventy-eight on gas at 41 MPG.
This reviewer loved it:
https://www.automobilemag.com/news/o...16-bmw-i3-rex/