Two Vans with some similarities, but otherwise different in most aspects such as the height, maximum occupancy, model year, and horsepower. First of all, the 2014 NV Passenger pulls more horsepower than the 2016 Promaster Window Van. Also, the NV Passenger is significantly shorter than the Promaster Window Van. In addition, you'll seat six more passengers in the Nissan NV Passenger than in the Ram Promaster Window Van. Among similarities are the body structure, starting price, and ground shadow size.