Final answer:
The color of Terry's vehicle in 'Full Circle' is not specified in the text provided. The passage describes a pursuit with an abandoned truck, but not its color.
Step-by-step explanation:
The color of the vehicle that Terry was driving in Full Circle is not explicitly stated in the provided reference. Based on the context, it is a truck involved in a chase after running over spikes. Unfortunately, the text does not specify the color of Terry's vehicle. The passage instead focuses on describing the tense and chaotic nature of a pursuit involving the interception of an illegal shipment, with details about the chase, the discovery of marijuana, and the eventual abandonment and vandalism of the truck.