Revealing mistake: When the three Civics are hijacking the truck at the end you see inside Letty's Civic which is basically stock. When she goes off the road and rolls you see the inside is stripped and has a full rollcage. (01:24:20)
Continuity mistake: In the scene where Dom pulls up to the street race with his team, he clearly has indiglo gauges. When the 4 cars actually race, Dom glances at his speedometer, and...no indiglo. (00:12:40)
Factual error: In the first hijacking, one of the Honda Civics slips under the truck's trailer to avoid the road crew. Trailers with that much ground clearance do not exist, also trailers have a safety guard running the length of that space designed to prevent this very scenario from happening with a lower vehicle. The trailer has been modified to ride much higher than normal to make this stunt possible. The modifications to the lowered Honda are not sufficient to fit beneath an un-altered trailer. (00:02:35)
Continuity mistake: At the scene where Johnny Tran pumps oil into the mechanic's mouth, the shirt of the mechanic changes from REALLY wet, to almost dry in every shot. (00:52:45)
Visible crew/equipment: At the end of the third act, when Diesel and Walker line up at the lights to drag the quarter mile beside the train tracks, you'll notice the reflection of two crew members appear in the back of the side view mirror of the Charger as they approach it to get the steadicam close-up of Diesel telling Walker that on green, he's going for it. (01:31:35)
Continuity mistake: In the scene in which Jesse is shot watch his legs. In the first shot his left leg is crossed and under his right leg. In the second shot both his legs are stretched before him. (01:31:27)
Continuity mistake: When Brian is topping out his car in the stadium parking lot at the beginning, it looks like he's shifting and steering with the same hand, as the shot is reversed. Easiest way to tell is the "Sparco" on his seat is backwards. (00:03:29)
Continuity mistake: On the very first race (in where Ja Rule takes part in the event), Dom (Vin Diesel) is driving a red Mazda RX-7. After the drivers line up on the starting line, Dom lifts up the passenger seat cushion to his Mazda to reveal a nitrous oxide system with a spinning nozzle and two gauges. Immediately after you see Dom spin the nozzle open, the camera does a close up of the nozzle and gauges in the next shot. Note how the gauge frames extended out from the surface (a good distance) then turn completely flat for the close up, even the nozzle gets shifted from one side of the guages to the other. (00:16:00)
Revealing mistake: When Leon is told to go and get Letty after she is pushed off the road by the lorry, you can see skidmarks on the road from previous takes. (01:21:10)
Continuity mistake: In the scene of the "race wars" when Jesse runs against the Johnny Tran's Honda S2000, at the moment when Jesse pushes his NOS button, his car has a red racing steering wheel, maybe a MOMO wheel, and three gauges on the "A column" (at the left of the windshield column) of his Jetta. When the shot changes to Jesse when he says "ha," the red MOMO wheel becomes in a grape Jetta wheel without NOS buttons and the gauges disappear from the car. (01:13:05)
Other mistake: When the cops get prepared before arresting Johnny Tran, a cop inserts a magazine into his M4. If you watch the rifle's chamber, you can see the green plastic thing that is at the top of the spring, hence the magazine is empty. (01:01:47)
Continuity mistake: When Dom and Brian are racing the train, the train numbers on the front of the train appear backwards. As soon as they cross the train, the train numbers appear forward: 3134. (01:37:22)
Continuity mistake: During the final hijacking scene, Dom pulls in front of the truck so Vince can get pull out the passenger side windshield with his harpoon gun. However, if you look closely right before Vince shoots his gun for the first time, you can see that the passenger side windshield is not even there. The glare coming off of the driver side windshield makes it very easy to see the difference between the two. (01:21:19)
Continuity mistake: At the beginning of the film when we see Brian and Vince fighting, they are first fighting in front of Brian's truck, then in front of the car, then back to the truck. (00:07:30)
Continuity mistake: After Brian and Dom start to run from the cops, they go around a corner. If you look in the rear windshield, the chasing police car goes right through the intersection, the camera goes to a different shot, and the police car crashes. (00:25:10)
Visible crew/equipment: When the Civics are trying to take the last lorry, you can always (well almost always) see stage lights in the black paint of the Civics. (01:20:00)
Continuity mistake: In the scene where Brian is chasing Johnny Tran, he stops the car and shoots Johnny. Johnny spins out and falls off the bike. While he falls off the bike you can see a shopping cart on the side of the road, but when Brian runs over to see if he is dead, the cart is gone. (01:34:15)
Continuity mistake: While Brian is running the Eclipse through the stadium parking lot, he shifts and the car jumps from 120 mph to 140 mph in about one second. (00:03:35)
Continuity mistake: Close to the end of the film, when Vince jumps on the truck that they're hijacking, Vince's head goes from above the front, to level with the grill in subsequent shots. (01:18:35)
Continuity mistake: In the scene where Dom is pulling his red RX7 into the garage after the first race is broken up by the cops, he is making a right turn into the garage. When they cut to the front of the car pulling in the garage, his left signal light is on, meaning he made a left turn into the garage. (00:23:59)
Chosen answer: It's not a real program, just some CGI. As well as when the pictures of "what it could look like" show up. Those are existing pictures of the car.