VW made a 4-wheeled Aptera competitor/XL1 successor concept car ("Mission Efficiency")
(www.volkswagen-newsroom.com)
50 miles is about a third of the distance a car drives in a week in Europe. A lot of people will have a hard time charging at home. So having a third less trips to public chargers will be a huge advantage. That is especially true, when the solar adds little weight and cost to the car.