The car can be seen as an extension of the body. It has a powerful engine that drives its wheels, which move on the road in harmony with the driver's commands. The smoothness of driving becomes almost like a dance, where one synchronizes their movements with those of their vehicle. For some people, this experience may provoke erotic feelings. This phenomenon was first described by Sigmund Freud and referred to as "autoerotism." He believed that some individuals are sexually attracted to cars and that this attraction is a result of unconscious desires for control and power. In his view, these individuals may feel more comfortable in their vehicles than in real life and may even fantasize about them during intercourse.

Others have challenged Freud's theory, arguing that autoeroticism is much more complicated and multifaceted. One approach suggests that there are multiple factors involved in sexual response, including physical sensations, emotional arousal, and psychological processes such as cognitive appraisal and expectation. In terms of sexuality, cars can evoke different responses depending on the context.

Watching a car race may generate feelings of excitement or intensity due to the speed and sound of the engines. Similarly, riding in a convertible may increase feelings of pleasure because it allows air to flow freely around the body. On the other hand, parking a car or taking it out of the garage can be associated with childhood memories of exploration and freedom. These associations can lead to various psychosexual conflicts and fetishes, particularly if they were not appropriately resolved at an early age. Some individuals may become fixated on certain aspects of the car, such as its shape or color, which can represent something else entirely. They might develop an attachment disorder, where they see the car as a substitute for a parental figure. This can manifest in various ways, from obsession to aggression.

While some people find cars sexy, they should not be seen as replacements for actual human connection and intimacy. Instead, cars can enhance our understanding of ourselves and our relationships by providing us with new perspectives and experiences.