Quoted from Cappi:A 2013 Toyota Sienna will hold 2 pins with the middle seats removed. Both loaded from the back but the first pin is turned 90* behind the front seats, second pin was loaded back box first.
--Kevin
In my '04 I can move two machines and three passengers (maybe I took off one head?). Gottlieb System 3 will fit through the side door, WPC won't. One pin will fit with the second row seats in place.