I think that you are right about the coupe not having a rear wipe the salesman gave me a lift from home in an Octavia coupe and that had no rear wipe. I needed the iV because I need a hoist/powerchair which was not possible in the coupe. I like the lines of the iV anyway. 
Recent cars: Hyundai Kona Ultimate EV; Volkswagen Caddy Maxi wheelchair accessible; Skoda Enyaq iV SportLine; Vauxhall Mokka-E; Kia Soul EV, Hyundai Kona (again)