2) Mazda5 vans are surviving well, but a high percentage of their owners have growing families, and are selling them early in order to "move up" to full-sized minivans. 3) While the full-sized minivans are routinely used for long trips, the smaller Mazda5 is more often used for shorter commutes. Thus the average mileage driven per year is lower. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.