The GM VIN system for '87 and up passenger cars (earlier VINs
differed slightly) works as follows:
| 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:
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:
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:
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. |
|
