Waymo's custom designed 6th generation vehicles[1] with self-closing doors were expected to enter service this year, but have [probably] been put on indefinite hold due to tariff issues
An earlier version of Waymo's vehicle was based on the Chrysler Pacifica. Like in a lot of areas, if you're going to spend billions of dollars to buy thousands of some product, it is worth customizing it for the specific purpose.
