In the intro, when Axel Foley is driving to the office in the Ferrari, two different models are used. In the beginning, and at the end, he's driving a 328, but during the action sequence in between, it's a 308 (an older model).
When Axel, Billie and Taggard are rushing to the race track to stop the thieves; When driving they slide around the corner. First Axel is in back seat, in the next frame he is in the front!