YV1DZ550X92123456, 9. digit (X) of VIN = Gearboxtyp:
1 = M66, MMT6, 4 = M66AWD, B = MPS6: man. Gearbox
0 = TF-80SC, 6 = TF-80SCAWD, C = TG-81SCAWD, D = TG-81SC: Automatic