Now on assignment in Toronto, the Transporter's Audi A8 bears the Ontario license plate, 4687-SGFB.
The wedding ring that Peter O'Bannon, the other courier driving the Volvo, is wearing appears and disappears between shots in the scene just before he is shot.
After the Transporter leaves Dieter's garage, he is supposed to be driving the second Audi A8 (BU 340 TN) and it is clearly seen in the tunnel scene after Nikolai's car gets hijacked. Yet, just before that, when the two policemen stop the Transporter's car, it is carrying the license plate of the first Audi A8 (MB 970 AS).
The red Audi R8's license no. is MR 971 OW.
The two black Audi A8's license nos. are MB 070 AS ('Lydia') and BU 340 TN ('Trudy').
The Transporter's Audi A8 bears the licence plate MB 970 AS.
The Transporter's 'ignition code' for his Audi is 441257.