Psychologists have extensively studied the relationship between automobiles and human sexuality, particularly the effects of speeding on arousal and attraction. While many factors influence this phenomenon, including the individual's background, personality, and social context, several theories suggest that the psychology of cars can play a significant role in creating an exciting atmosphere for sexual activity.

One theory is the "car fetish," which posits that certain individuals associate their identity and pleasure with vehicles, viewing them as objects of desire and sexual gratification. This phenomenon has been observed among both men and women, who may fantasize about being inside or outside a car, driving it, or simply touching its parts. Some even go as far as to incorporate specific models into their sexual play, such as BDSM scenarios involving vintage Porsches or high-speed chases in sports cars.

Another theory suggests that the anticipation of high-speed driving triggers physiological responses similar to those experienced during sexual arousal. As people prepare to drive fast, their bodies release adrenaline, causing heart rate and breathing to accelerate. This activation is often interpreted by the brain as excitement, heightening emotions and increasing sensitivity to physical stimuli. In turn, these feelings can lead to increased blood flow and sexual arousal, making it easier to become aroused and achieve orgasm.

Not all drivers experience the same level of excitement when driving at high speeds. Those who are less comfortable with risk-taking or have anxiety related to driving might feel overwhelmed or scared instead. Similarly, those who do not identify strongly with automotive culture may be uninterested in using cars as sexual props.

Cultural norms and social expectations around gender roles can influence attitudes towards driving, particularly regarding how masculinity is associated with speed and power.

Despite these variations, research shows that many people find cars erotic, with some studies suggesting that nearly half of Americans associate vehicles with sex. While this association remains largely underexplored, it highlights the complex interplay between psychology and human behavior, including our desire for excitement and intimacy.