Other mistake: At the very start we see a car turn off its lights and fly past the patrol car at 197mph. However as the car goes by, the brake lights are on. (00:01:25)
Other mistake: When the driver of the ZR1 corvette changes gears the emergency brake lever is visibly up. (00:53:00 - 00:53:55)
Other mistake: If you peel out in a cornfield, you will not move, just sit and spin until the wheels are suspended. That's why you see dual-wheel tractors out there; they don't sink into topsoil like regular tractors and road vehicles.
Other mistake: When driving through the corn field, they run into a harvester that wouldn't be in a corn field.
Other mistake: During the big shootout scene near the end Burrell is using a six-shooter and somehow seems to fire around 20 shots despite never reloading the gun.