Pickup trucks always outsold cars. Some buyers require workhorses. 

Others desire freight and family travel. Little, full-size, and heavy-duty pickups used

Little truck purchasers gradually switched to trucks with bigger payloads and towing capacities.

 Automaker designers and engineers beefed up the tiny vehicle into a midsize pickup truck

Midsize sounded better to purchasers than tiny pickup.

To be competitive, most automakers offer pickup trucks, even midsize ones.

Like any product, we choose some over others based on personal taste or quality. 

The 1995 Tacoma was a compact truck. In 2005, it became medium.