All I can do (with 35 yrs experience engineering vehicles) is to compare it to motorcycles with similar content. Made around the world by very efficient manufacturers who have been in the business for many decades.
Then add on the estimated cost of things like a full composite body.
As another reference, a robust 25hp gasoline engine lawn tractor like a John Deere or Dixie Chopper is in the $6000 range with far less content than this 70hp NHTSA/EPA certified road vehicle.
An inline, 3 cylinder, 1 liter, 70 HP, fuel-injected, DOHC gas-powered, liquid-cooled, automotive engine.