Decoding the VIN number

This provides a rough guide to decoding Buick (GM) VIN numbers for vehicles made between 1965 and 1972. Some of the values in the VIN are year dependent like the Series. Listed here are the values used for 1970 and 1971.

Division	Series	Body code	Model Year	Assembly Plant	Production number
4 = Buick	33 = Skylark L6	07 = 2Door Post	1 = 1971	B = Baltimore, MD	sequence number
	34 = GS	17 = 2Door Coupe	0 = 1970	C = South Gate, CA
	35 = Skylark 350	27 = 2Door Post	9 = 1969	D = Atlanta, GA
	44 = Skylark Custom	35 = 4Door Wagon	8 = 1968	G = Framingham, MA
	46 = GS455	37 = 2Door Coupe	7 = 1967	H = Flint, MI
		67 = 2Door Convertible	6 = 1966	I = Oshawa, Ontario
			5 = 1965	K = Kansas City, MO
				V = Bloomfield, IL
				X = Kansas City, KS
				Y = Wilmington, DE
				Z = Fremont, CA