Cowl Tag Info:

ST 73-4BP39Yxxxxxx   BDY
TR 451              24-A 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 451 = Trim code - Blue Notchback Interior
24 = Lower body color (Medium Blue)
A = Upper body color (White Vinyl Top)
xxx = Built x week of x 197x

VIN:  4P39T3Y235957

4 = Buick Motor Division
P = Centurion
39 = 4 Door Hardtop
T = Optional 455-4 Engine
3 = 1973 Model Year
Y = Wilmington, DE Assembly Plant
235957 = basic sequential production number (100001 was first built)

Notes:

© Buick Centurion Registry 2005