Well... at least she's driving
The film Girl on a Motorcycle does create a new physical position for women; the woman can now sit in the driver's position or seat. However, the work is restricted by phallocentrism and by the male gaze. The female progtagonist is caught between two men: Daniel and Raymond. The whole of her personal story in the film revolves around her relationship with her husband and her love affair with Daniel.
Girl on a Motorcycle reveals this Male Gaze in several scenes. For example, when the woman passes from France into Germany (in her dream or memory), we watch her be uncomfortably be touched by man at the border. Here a male spectator would watch the male character in the film touch the female character in a sexual way.
Although this work may be liberating on one hand for the woman as she becomes the driver and protagonist of the plot, it is all controlled by what actually occurs in the story line. The viewer is alloted a shot of the female breasts several times, and we see a shot of her clevage while she zips up her suit she is going to wear while riding her motorcycle. She even says "I'm like an animal", which is a dehumanizing statement to herself. When she puts on the suit, she is no longer a woman but an animal; Keep in mind that she is going to do a very "un-feminine" thing by going on this journey for sexual pleasure and "love". The woman believes she is in love with the man who raped her while on a vacation with her husband. The fact that the film doesn't reveal how a woman could be hurt by becoming a rape victim (or being felt up by a border patrol officer) sends the message that woman are only bodies. Lastly, we see phallocentrism quite literally when the woman has gas put into her motorcycle. The nozzle enteringthe gas tank is a direct association to heterosexual intercourse.
Overall, at least she's driving.