If automakers were to segment justin based upon the type of active lifestyle he leads, this would be considered segmentation.

Segmentation is the process of identifying and profiling distinct groups of buyers who differ in their needs and wants.
If automakers were to segment Justin based upon the type of active lifestyle he leads, this would be considered psychographic segmentation. The psychographic segmentation is on the basis of the interests, attitudes, opinions, values and activities, described as lifestyle of the customers.