Factual error: When X uses the tray to "skateboard" down on the rails of the stairs, how could that tray possibly take his weight? The tray would have either bent in half or snapped in half and would have had X fall crotch first onto the railing.

Factual error: When XXX is first driving his GTO, looking for the cop, he lines up the blood splatter dart so it is in the barrel, the hammer is not cocked back. The next shot should be the bullet after the dart, not the dart as it is in the movie.

Continuity: Just after X gets his new GTO and the cop knocks the window of the warehouse out, X and the bad guy jump back into the GTO. They drive out of the warehouse and the car is dirty on the bottom. If the car was spotless in the previous shot indoors, how did the car get so dirty so fast?

Factual error: In the opening scene when the agent is trying to get on the stage and gets shot he is leaning forward, yet he falls backwards into the crowd.

Plot hole: In the scene where Vin Diesel is in the GTO chasing Ahab, it's above water but earlier in the film it was stated that Ahab only needed to surface to gather energy so it could stay under water.

Factual error: The castle is build in beautiful scenery, however, there are no mountains like that in the Czech Republic.

Continuity: At the end of the movie where Xander's tanning at Bora Bora, notice that his tattoos are brighter. They have a just re-applied look.