The GM VIN system for '87 and up passenger cars (earlier VINs differed slightly)

mason

Core Member
The GM VIN system for '87 and up passenger cars (earlier VINs differed slightly)

VIN Position Description
Position 1 Country of Origin:
1 = U.S.A.
2 = Canada
3 = Mexico
4 = U.S.A.
J = Japan
K = Korea

Position 2 Company built by:
G = General Motors/Suzuki
8 = Isuzu
Y = NUMMI
L = Daewoo
C = CAMI/GM of Canada

Position 3 Make or division:
1 = Chevrolet
2 = Pontiac
3 = Oldsmobile
4 = Buick
5 = Pontiac incomplete vehicle (PAS)
6 = Cadillac
7 = GM of Canada
8 = Saturn
A = Chevy Bus
B = Chevy incomplete vehicle
C = Chevy Truck
D = GMC incomplete vehicle (PAS)
E = Cadillac incomplete vehicle
H = Oldsmobile Multi-Purpose Vehicle (MPV)
J = GMC Bus
K = GMC Multi-Purpose Vehicle (MPV)
L = Buick incomplete vehicle
M = Pontiac Multi-Purpose Vehicle (MPV)
N = Chevy Multi-Purpose Vehicle (MPV)
T = GMC Truck
Y = Pontiac Multi-Purpose Vehicle (MPV)

Positions 4 & 5 Carline/Series: ('91+ B-car only)1991:
BL = Caprice Sedan/Wagon
BN = Caprice Classic/Caprice Classic LTZ Sedan
BR = Roadmaster Estate Wagon
BP = Custom Cruiser Wagon
BB = Coachbuilder (Limo/Hearse) Wagon
1992:00:00
BL = Caprice Sedan/Wagon
BN = Caprice Classic/Caprice LTZ Sedan
BN = Roadmaster Sedan
BT = Roadmaster Limited Sedan
BR = Roadmaster Estate Wagon
BP = Custom Cruiser Wagon
BB = Coachbuilder (Limo/Hearse) Wagon
1993:00:00
BL = Caprice Classic Sedan/Wagon
BN = Caprice Classic LS/Caprice Classic LTZ Sedan
BN = Roadmaster Sedan
BT = Roadmaster Limited Sedan
BR = Roadmaster Estate Wagon
BB = Coachbuilder (Limo/Hearse) Wagon
1994:00:00
BL = Caprice Classic Sedan/Wagon
BN = Caprice Classic LS/Impala SS Sedan
BN = Roadmaster Sedan
BT = Roadmaster Limited Sedan
BR = Roadmaster Estate Wagon
BB = Coachbuilder (Limo/Hearse) Wagon
1995-1996:
BL = Caprice Classic Sedan/Wagon, Impala SS Sedan
BN = Roadmaster Sedan
BT = Roadmaster Limited Sedan
BR = Roadmaster Estate Wagon
BB = Coachbuilder (Limo/Hearse) Wagon

Position 6 Body style:
1 = 2-door coupe/sedan
2 = 2-door hatchback/liftback
3 = 2-door convertible
4 = 2-door station wagon
5 = 4-door sedan
6 = 4-door hatchback/liftback
7 = 4-door liftback
8 = 4-door station wagon

Position 7 Restraint codes:
1 = Active (manual) belts
2 = Active (manual) belts w/driver & passenger air bags
3 = Active (manual) belts w/driver air bag
4 = Passive (automatic) belts
5 = Passive (automatic) belts w/driver air bag
6 = Passive (automatic) belts w/driver & passenger air bags

Position 8 Engine type: ('91+ B-car only)
P = LT1 5.7L - 260 HP @ 5000, 330 lb-ft @ 3200
W = L99 4.3L - 200 HP @ 5200, 245 lb-ft @ 2400
7 = L05 5.7L - 205 HP @ 4400, 300 lb-ft @ 2800 (9C1 Police)
7 = L05 5.7L - 180 HP @ 4200, 300 lb-ft @ 2800
E = L03 5.0L - 170 HP @ 4000, 255 lb-ft @ 2400

Position 9 Check digit:
This is a VIN checksum used to verify VIN legality.

Position 10 Model year:
A = 1980
B = 1981
C = 1982
D = 1983
E = 1984
F = 1985
G = 1986
H = 1987
J = 1988
K = 1989
L = 1990
M = 1991
N = 1992
P = 1993
R = 1994
S = 1995
T = 1996

Position 11 Plant:
A = Lakewood, GA
B = Lansing (Reatta), MI
B = Baltimore (Truck & Bus), MD
B = Pupyong, KOREA
C = Lansing, MI
D = Doraville, GA
E = Linden, NJ
E = Pontiac (Truck & Bus), MI
F = Fairfax II, KS
F = Flint (Truck & Bus), MI
G = Framingham, MA
H = Flint, MI
J = Janesville (Truck & Bus), WI
J = Janesville, WI
K = Leeds, MO
K = Kosai, JAPAN
L = Van Nuys ('82-'92 F-car), CA
M = Lansing, MI
N = Norwood ('82-'87 F-car), OH
R = Arlington (B-car), TX
S = St. Louis (Truck & Bus), MO
S = Ramos Arizpe, MEXICO
T = Tarrytown (Truck & Bus), NY
U = Hamtramck, MI
V = Pontiac (Truck & Bus), MI
W = Willow Run (B-car), MI
W = Iwata, JAPAN
X = Fairfax, KS
Y = Wilmington, DE
Z = Fremont, CA
Z = Spring Hill (Saturn), TN
Z = Fort Wayne (Truck & Bus), IN
0 = Pontiac (Truck & Bus), MI
1 = Wentzville, MO
1 = Oshowa 2, ONTARIO
2 = Moraine (Truck & Bus), OH
2 = Ste. Therese ('93-'96+ F-car), QUEBEC
3 = Detroit (Truck & Bus), MI
3 = Kawasaki, JAPAN
3 = St. Eustache, QUEBEC
4 = Orion, MI
4 = Scarborough, ONTARIO
5 = Bowling Green ('84-'96+ Corvette), KY
5 = London, ONTARIO
6 = Oklahoma City, OK
6 = Ingersoll, ONTARIO
7 = Lordstown, OH
7 = Lordstown (Truck & Bus), OH
7 = Fujisawa, JAPAN
8 = Shreveport (Truck & Bus), LA
9 = Detroit, MI
9 = Tillsonburg, ONTARIO
9 = Oshawa 1, ONTARIO

Positions 12-17 Sequence Number:
100001 = 1st vehicle
200001 = 100001st vehicle, etc.
 
Nice find. :pop2:
 
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