Continuity mistake: In the convenience store robbery scene, Cain is drinking a St. Ides 40. In each shot, the level of beer keeps changing. Even after several large drinks, it is still near the top.
Continuity mistake: Even though Sharif has his hands cuffed behind his back when he is put in the police car, he still manages to get his hands up to stop the officer hitting him when he is in the back seat.
Continuity mistake: In the scene where the white guy is talking to Chauncy about the Maxima, he has a cigarette in his hand that is smoking. In the next scene when they show him looking at the picture (close up), it is not lit, when they go back again, it is lit.
Continuity mistake: At the end scene right before the drive by shooters on the passenger side fire, they start to lean out the window with uzis. In the next shot (while shooting) the guy in the front seat has a Tec-9 and the guy in the back seat has hand guns.
Continuity mistake: Check the position of the coke when the main character is talking to the teacher in school. The main character is holding the coke in his hands and in the next shot it's on the table of the teacher.
Answer: He would have either made the other guy take his wheels off and put them in his "Cains" car to be changed later or he held the guy at gun point and made him change the wheels from his car to Cains and Cain left his wheels for his victim to use.
The_Iceman