King masterfully depicts the all-consuming nature of obsession as Arnie's devotion to Christine spirals into a dangerous possession. The car, imbued with a malevolent spirit, exerts a growing influence over Arnie, twisting his personality and driving a wedge between him and everyone who cares for him. The line between love and obsession blurs, culminating in a terrifying battle for Arnie's soul.

Christine, a relic from a bygone era, becomes a vessel for the darkness and resentment of its previous owner, impacting the present with chilling consequences. King explores how the past can linger and influence us, sometimes with deadly repercussions. The story serves as a haunting reminder that some secrets refuse to stay buried.

Juxtaposed against the unsettling relationship between Arnie and Christine is the unwavering bond between Arnie and his best friend, Dennis. Dennis, witnessing the disturbing changes in Arnie, risks everything to save his friend from Christine's grasp. This theme highlights the strength of true friendship in the face of extraordinary and terrifying circumstances.