The truck is very narrow and even some very common things will not fit in the back of the car. (autolist.com)
Another huge factor is the portability, since most are light - weight and easily fit in your back pocket or handbag. (goodereader.com)
Even tall adults will find plenty of space above their heads and in front of their knees, while a rear - facing child seat will fit in back with ease. (toyotasantamonica.com)