Visible crew/equipment: When the first deal goes wrong and the man with the chainsaw jumps out the window you can clearly see him land on a grey crash mat because it lifts up at the corners. (00:27:55)
Visible crew/equipment: Just before Tony gets shot at in the Babylon Club, there is a close up of his face. In the mirror behind him, you can see director Brian De Palma's head.
Visible crew/equipment: In the scene where Tony goes back to his mother's house to visit her and Gina, watch the bottom right corner of the screen, on one of the kitchen appliances. You will see a shadow moving through the area, but no-one in the scene is moving at this speed or direction.
Visible crew/equipment: When the camera pans down, at the scene of the Carlyle sign, the crew members can be seen moving the camera crane in the reflection of the last window.
Visible crew/equipment: When they are leaving the Porsche showroom/garage, the entire crew is perfectly visible in Michelle Pfeiffer's sunglasses.
Answer: '72 Citroen DS 21.