Which of the following would be classified as an issue related to vehicle theft?

The classification of vehicle theft issues specifically relates to the unlawful taking of a vehicle without the owner's consent. A stolen car, motorcycle, or boat clearly falls into this category, as it involves the theft of a motor vehicle—something that is a primary concern for law enforcement and an area in which officers receive training.

When considering the context of vehicle theft, the act of stealing vehicles directly impacts individuals and communities, often leading to economic loss, increased insurance costs, and concerns for safety. Hence, this issue is crucial for law enforcement operational focus.

Other options, while relevant in their own right, pertain to different aspects of crime. Speeding relates to traffic violations and safety issues. Cruelty to animals is primarily a separate category dealing with the welfare of animals, and malicious mischief involves damage to property without necessarily being linked to vehicle theft. Thus, the correct answer illustrates a direct and specific issue concerning vehicle theft that is critical for law enforcement awareness and action.