Cowl Tag Info:

ST 73-4BP39Yxxxxxx   BDY
TR 446              68-T PNT
xxx

ST-73 = 1973 Model Year
4 = Buick Motor Division
BP = Centurion
39 = 4 Door Hardtop
Y = Wilmington, DE (General Motors Assembly Division)
xxxxxx = Body Number
TR 446 = Trim code - Saddle Notchback Interior
68 = Lower body color (Brown)
T = Upper body color (Sandalwood Vinyl Top)
xxx = Built x week of x 197x

VIN:  4P39T3Y171886

4 = Buick Motor Division
P = Centurion
39 = 4 Door Hardtop
T = Optional 455-4 Engine
3 = 1973 Model Year
Y = Wilmington, DE Assembly Plant
171886 = basic sequential production number (100001 was first built)

Notes:

© Buick Centurion Registry 2005