A couple of site pages that have compiled EV stats:
http://www.mygreenwheels.com/ev-comparison-guide/
http://www.roperld.com/science/ElectricCars.htm#_Toc170955566
http://www.mygreenwheels.com/ev-comparison-guide/
http://www.roperld.com/science/ElectricCars.htm#_Toc170955566