You have to hand it to the United States Postal Service. They like diversity in vehicles.
Not much like any other vehicle on the road, the new trucks are like a minivan, but is designed to lessen the effects of hitting pedestrians, should a person find her/him/themself in the way of postal delivery. And they will be built in Wisconsin.
https://www.curbed.com/2021/02/usps-new-truck-design-safety.html