Automotive sex and psychological arousal are closely related concepts that have been studied extensively in modern times. In fact, many car owners find themselves feeling more aroused when driving certain types of cars than others. This phenomenon is often referred to as "car fetishism." Car fetishists may be drawn to specific car makes and models based on their physical attributes, such as color, shape, size, or engine power. Other factors that influence car fetishism include cultural associations with certain vehicles (e.g., sports cars) and personal memories associated with certain brands (e.g., the nostalgic appeal of classic American muscle cars). Car fetishists typically experience strong feelings of excitement and pleasure during car ownership, but they may also feel anxiety about their fetishistic behavior. Many people who engage in car fetishism do so in secret due to societal stigma surrounding it.

The visual interplay between light and shadow can significantly impact one's sexual imagination while driving. Cars with sleek body designs tend to reflect more light, which creates a sense of luxury and elegance.

An elegant black BMW coupe might inspire erotic fantasies for some drivers. Conversely, cars with rugged and masculine design elements tend to absorb more light, creating a sense of power and strength. Some drivers may find this particularly appealing if they identify as masculine or dominant in other areas of life. In addition to car body design, the color of a vehicle can also affect its erotic appeal. Red cars are known to attract attention and create a sense of passion, whereas white cars can appear angelic or pure. The texture of a car's exterior material can also evoke sensuality; smooth surfaces like leather may suggest touchability, while rougher textures like carbon fiber may suggest strength and durability.

It is not uncommon for individuals to have automotive sex fantasies that involve specific car models or makes. These fantasies often involve scenarios where the driver is in control of their sexual partner's movements (e.g., through the use of gear shifts or pedals) and has complete dominion over their sexual desires. Such fantasies are typically considered harmless by most psychologists, though they can become problematic if they interfere with daily functioning or cause distress. It is important for those who engage in automotive sex fantasies to remember that these fantasies are just that - fantasies - and should be kept separate from real-life relationships.

There is a complex relationship between cars and psychological arousal. While some people may experience sexual attraction towards certain types of cars due to physical features alone, others may find themselves aroused by the combination of various factors such as shape, color, engine power, cultural associations, etc. Understanding this phenomenon requires an understanding of both human psychology and automobile engineering.