"Passenger volume" refers to the number of people or passengers that a particular vehicle, transportation system, or space can accommodate or carry. Full definition
With over 100 cubic feet of passenger volume for up to five occupants, the 2018 HR - V provides the roomy feeling you want in a crossover. (muller-honda.com)
Although wider by a half - inch, it also drops an inch in height, which likely explains the nearly 3 - cubic - foot drop in passenger volume. (cnet.com)
There is seating for five with an overall passenger volume of almost 90 cubic feet. (spitzersheffield.com)