Looks like in 2013 the Fit got a new hybrid system in other markets that the US never saw. In the Japanese market, it was rated at 85mpg (highest of any car at the time). Their fuel economy figures are famously inflated, however.
https://www.trademe.co.nz/a/motors/c...ing/3492827170
Not sure what the final bidding will end at, but it's currently at $6300 with 150k km. I might keep my eye out for something like that.