Continuity mistake: In the sequence where the three Minis are being driven around a waterway as a rehearsal for the job, the auxiliary driving lights (the ones fixed in front of the radiator) go off and on. In the first shot all the cars have these lights on, in the next external shot the white car has them switched off, then back on again for the immediately following shot. Shortly afterwards the red Mini has these lights off for one shot - then back on in the very next one.
Continuity mistake: In the scene where "the Napster" is changing the street lights, there is a shot where armored truck 128 is slowly moving behind a grey or white Saturn (right after you hear on the radio "Truck 128, what is your progress?"). In the next shot, where one of the men in the truck says "Ah, get us outta here," you see Napster's computer. On the computer, when you see the street camera looking down onto truck 128, the Saturn is gone and all the surrounding traffic has moved. Truck 128 is one lane closer to the curb, and the car and SUV that were on 128's right in the live shot appear to be to the truck's left on camera. Other cars are gone or have changed places as well.
Continuity mistake: During the Venice water chase, Charlie's boat goes under a bridge toward two green tugs. The tugs are moving apart to let him through, but when he comes out from under the bridge, the two tugs are close together and off to one side. In the very next shot, they are far enough apart to allow Charlie's pursuer to pass between them.
Continuity mistake: As you watch the chase scene after the golf course, you can tell that Left ear is driving the white mini instead of Handsome Rob. [If you watch the deleted scenes, it shows them switching places due to a gunshot wound in Rob's arm. A mistake, but explained.]
Continuity mistake: When we are looking back to when Charlie was a kid we see the thug kid walking by some kids before he slaps the book out of the other kid's hands. When it cuts, one of the girls that the thug just passed by suddenly is far down the hall. She couldn't have gotten there that fast.
Continuity mistake: Charlize Theron parks her original Mini in a tight spot behind the Ford 4WD where she goes in front first at a fair speed. But when we see the wide shot of the Mini parked in there, it's almost bumper to bumper - there is no way anyone could have parked the Mini in that spot going in front first no matter how small the Mini is.
Continuity mistake: After the minis jump out of the tunnel, Handsome Rob spins the mini around and tells Left Ear to open the door. The camera then switches to an exterior shot of the car and you can see that the rear window on the passenger side has been shattered. But in the next shot and throughout the rest of the film, the window is intact.
Continuity mistake: When Charlie and Stella are talking in Stella's hotel room in Hollywood, a strand of her hair goes from over her head to hanging beside her face as the shot cuts to behind her. When it cuts to her face, the strand is over her head again, though she didn't touch her hair.