In terms of psychological theories, there is some evidence that suggests that car engines can induce physical arousal and may be linked to sexual attraction in some individuals. This connection between cars and sexual desire has been explored by various researchers who have studied the phenomenon known as "engine vibration fetishes". Engine vibration fetishes refer to an individual's preference for the sensation caused by the movement of car parts like pistons, valves, and gears when the engine is running. These movements generate sound waves that can create vibrations throughout the body, which many people find pleasurable. Some studies suggest that this pleasure response is similar to the physiological response associated with sexual stimulation and may therefore play a role in sexual attraction.

It's important to note that engine vibration fetishism is just one aspect of psychosexual response and does not necessarily reflect an individual's overall sexuality or preferences. It is also worth mentioning that while some individuals may experience heightened sexual arousal from the vibrations generated by car engines, others may find them unpleasant or even annoying.

Car ownership does not guarantee that an individual will automatically experience increased levels of sexual attraction towards their vehicle. In fact, the relationship between cars and sex is often more nuanced than simply liking the way the engine sounds.

One study found that people were significantly more likely to feel attracted to cars with high-performance engines, suggesting that certain features, such as engine size or type, may influence attraction. Another study looked at how different types of erotic material (such as images of cars or people) affected participants' arousal levels and found that car-related content was among the most effective at eliciting physical responses.

The researchers did not specifically address whether there was a connection between car ownership and sexual desire.

While there are some studies exploring the potential link between car engines and sexual arousal, further research is needed to fully understand the complexity of human sexual behavior and preferences.

Each person experiences their own unique set of emotions, attractions, and desires when it comes to intimacy and relationships, including those related to cars and automobiles.