What does the last 6 digits of a VIN signify?

The last six digits of a Vehicle Identification Number (VIN) specifically refer to the Vehicle Production Sequence Number, which is unique to each vehicle manufactured. This number helps to identify the particular unit of a car produced in a specific batch. It conveys information regarding the vehicle's build order and is crucial for differentiating among similarly manufactured vehicles. This distinguishing number is important for both consumers and manufacturers as it aids in tracking the specific vehicle for recalls, service history, and registration purposes.

In the context of the choices presented, while some options may seem related to vehicle identification, only the production sequence number definitely pertains to identifying the specific insured car in a context like insurance policies or appraisals. This makes the answer referring to "the insured's car" accurate as it relates directly to identifying that unique vehicle.